CN201893082U - Character type display module - Google Patents

Abstract

The utility model discloses a character display module, which comprises a character-type organic electroluminescent diode panel, a printed circuit board electrically connected to the character-type organic electroluminescent diode panel, a driving controller arranged on the printed circuit board and electrically connected to the character-type organic electroluminescent diode panel for driving control, and a frame for positioning the character-type organic electroluminescent diode panel on the printed circuit board, thereby providing a lighter, thinner, high-quality, cost-saving and energy-saving character display module.

Description

character display module

technical field

The invention relates to a display module.

Background technique

Liquid Crystal Display (LCD) can be said to be the mainstream of Flat Panel Display (FPD) recently. Although the liquid crystal display is widely used by the public, the liquid crystal panel used in the liquid crystal display must provide a light source through a backlight module. In order to cooperate with the installation of the backlight module, there must be enough space in the liquid crystal display to install the backlight module, thereby increasing the thickness of the liquid crystal display and increasing the weight of the liquid crystal display. The backlight module will also bring additional power consumption and increase costs. Various types of liquid crystal displays have shortcomings such as insufficient viewing angles and insufficient response speeds, which may cause afterimages in the displayed images.

In order to effectively solve the above-mentioned related defects, based on the research and development technology and experience accumulated in the field of display modules in the past, the creator finally developed a character display module after several tests and various attempts.

Contents of the invention

The technical problem to be solved by the utility model is to provide a character-type display module with a character-type organic electroluminescent diode panel, because there is no need for a backlight module to provide a light source, thereby saving cost and space, and saving energy due to direct photoelectric conversion. Through the character-type organic electroluminescent diode panel, the display quality can be improved, the response speed can be improved, the viewing angle can be widened, and the contrast can be enhanced to expand the scope of application.

Another technical problem to be solved by the utility model is to provide a character display module with a character generator read-only memory, a character generator random access memory, a reset integrated circuit, a power supply circuit and the power supply circuit , the character generator read-only memory built-in language font, the character generator random access memory built-in drawing function, the reset integrated circuit provides reset, the power supply circuit provides working power, thereby improving the convenience of driving And strengthen the integrity of the function.

In order to solve the above technical problems, the character display module of the present utility model comprises:

A character-shaped organic electroluminescent diode panel, which adopts a dot matrix display, and the character-shaped organic electroluminescent diode panel is provided with a first connection part and a second connection part;

A polarizer is arranged on the light-emitting path of the character-type organic electroluminescent diode panel;

A printed circuit board, which is provided with a first assembly part and a second assembly part, and the printed circuit board is provided with a first connection part located in the first assembly part relative to the first connection part of the character type organic electroluminescent diode panel. The first connection part on the side, the printed circuit board is provided with a second connection part on the side of the second assembly part relative to the second connection part of the character type organic electroluminescent diode panel;

A drive controller, which has a panel control unit and a panel drive unit;

A plurality of conductive elements, which are arranged between the character-type organic electroluminescent diode panel and the printed circuit board, respectively connected to the first connection part of the printed circuit board and the character-type organic electroluminescent diode panel connected to the first connecting portion of the printed circuit board and the second connecting portion of the character-type organic electroluminescent diode panel, so that the character-type organic electroluminescent diode panel is affected by the The panel control unit of the drive controller and the drive control of the panel drive unit; and

A frame, for the first assembly part of the printed circuit board is provided with a first positioning part cooperating with the first assembly part and the second assembly part of the printed circuit board is provided with a second assembly part The second positioning part is matched with the positioning part, whereby the character-type organic electroluminescent diode panel is positioned on the printed circuit board by the frame.

The character display module of the present utility model is characterized in that it comprises:

A panel is provided with a first connecting portion and a second connecting portion;

A polarizer is arranged on the light-emitting path of the panel;

A printed circuit board is provided with a first assembly part and a second assembly part, and the printed circuit board is provided with a first connection part located on the side of the first assembly part relative to the first connection part of the character type organic electroluminescent diode panel. The first connection part of the printed circuit board is provided with a second connection part on the side of the second assembly part relative to the second connection part of the character type organic electroluminescent diode panel;

A drive controller, having a panel control unit and a panel drive unit;

A plurality of conductive elements are arranged between the character-type organic electroluminescent diode panel and the printed circuit board, respectively connected to the first connection part of the printed circuit board and the character-type organic electroluminescent diode panel connected to the first connecting portion of the printed circuit board and the second connecting portion of the character-type organic electroluminescent diode panel, so that the character-type organic electroluminescent diode panel is affected by the The panel control unit of the drive controller and the drive control of the panel drive unit; and

A frame, for the first assembly part of the printed circuit board is provided with a first positioning part which is matched with the first assembly part and the second assembly part of the printed circuit board is provided with a first positioning part which is matched with the second assembly part Cooperate with the second positioning part for positioning, whereby the character-type organic electroluminescent diode panel is positioned on the printed circuit board by the frame.

The character-type organic electroluminescent diode panel of the present invention has the following advantages and characteristics:

1. Self-luminous element: a photoelectric conversion element that generates light when an electric field is applied, and converts electricity into light.

2. DC low voltage drive (less than 16V).

3. High Energy Efficiency (High Power Efficiency): Only self-illuminating pixels consume power, and the power consumption is lower than that of cathode ray tube (CRT) and thin-film transistor-liquid crystal display (TFT-LCD), and self-illuminating does not require poles. Power-consuming backlight modules are more energy-saving and power-saving.

4. High Brightness: High-quality images combined with the characteristics of cathode ray tubes and thin-film transistor liquid crystal displays, the brightness value can reach more than 100,000cd/ ^m2 , and it only needs (5cd/m2) in a low-brightness environment ² ) Clear display content can be provided.

5. Short response time (Fast Response Time): The response time is in nanoseconds (μsec), while the liquid crystal display is in microseconds (msec), compared with the 50msec and 50msec of TFT-LCD The 100msec of Twisted Nematic Liquid Crystal Display (STN-LCD) is more than 1000 times faster, making the image more realistic.

6. Light Weight & Slim: Because no backlight module is needed, the thickness of the panel is greatly reduced to less than 2mm.

7. High reliability (Reliability): Under the brightness of 100cd/m ² , the service life is greater than 100,000hrs, and it is more durable because of its simple structure, so it is suitable for fields with high impact and large temperature changes.

8. Full Viewing Angle: The viewing angle is above 175° when viewed from top, bottom, left, and right sides.

9. Excellent Uniformity.

10. High Effective Contrast Ratio.

Description of drawings

Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:

Fig. 1 is the exploded schematic view of the utility model;

Fig. 2 is the combination schematic diagram of the present utility model;

Fig. 3 is a schematic diagram of the system of the drive controller with the panel of the present invention;

Fig. 4 is a combined schematic diagram 1 of a printed circuit board matching frame of the present invention;

Fig. 5 is a combination schematic diagram II of the printed circuit board matching frame of the present invention;

Fig. 6 is the combined sectional view of the utility model;

Fig. 7 is a schematic diagram of panel action of the present invention.

[Description of main component symbols]

Character type organic light-emitting diode panel 10

First connecting part 11 Second connecting part 12

Polarizer 20 Printed Circuit Board 30

The first assembly part 31 Perforation 311

Through hole 312 Second assembly part 32

Perforation 321 Through Hole 322

First connecting part 33 Second connecting part 34

Drive controller 40 Panel control unit 41

Micro-control integrated circuit 411 Character generator read-only memory 412

Character Generator Random Access Memory 413

reset integrated circuit 414 panel drive unit 42

Shared drive circuit 421 Section control circuit 422

Power supply circuit 423

Conductive element 50 Frame 60

First positioning part 61 Positioning protrusion 611

Movable end 612 Second positioning part 62

Positioning convex 621 movable end 622

Detailed ways

Please refer to Fig. 1 to Fig. 7 for the embodiments of the present utility model. :

The character-type display module of the present utility model (see Fig. 1 to Fig. 5) comprises a character-type organic electroluminescent diode panel 10, a polarizer 20, a printed circuit board 30, a drive controller 40, and two conductive elements 50 and a frame 60 .

The character type organic light emitting diode (Organic Light Emitting Diode, OLED) panel 10 adopts dot matrix display. The character-type organic electroluminescent diode panel 10 adopts a 5x8 dot matrix (Dot Matrix) or a 5x10 dot matrix, preferably a 5x8 dot matrix. From 4x1 to 100x1 to 4x40 to 4x100, preferably 08 (row) x01 (column), 08x02, 16x01, 16x02, 16x04, 20x01, 20x02, 20x04, 40x01, 40x02 or 40x04.

The thickness of the character-shaped organic electroluminescent diode panel 10 is 0.4mm-5mm, preferably 0.4mm, 0.5mm, 0.55mm, 0.7mm, 1.0mm, 1.1mm, 1.4mm or 2.0mm, and the chromaticity CIE value is between X: 0.1 ~ 0.8 and Y: 0.1 ~ 0.8, luminous efficiency between 0.65 ~ 65 (lm/W), life span between 20k ~ 2000k hours and above 2000k.

The character-shaped OLED panel 10 is oppositely provided with a first connecting portion 11 and a second connecting portion 12 .

Compared with the character-type liquid crystal panel, the character-type organic electroluminescent diode panel 10 of the present invention has the following advantages and characteristics:

1. Self-luminous element: a photoelectric conversion element that generates light when an electric field is applied, and converts electricity into light.

2. DC low voltage drive (less than 16V).

3. High Energy Efficiency (High Power Efficiency): Only self-illuminating pixels consume power, and the power consumption is lower than that of cathode ray tube (CRT) and thin-film transistor-liquid crystal display (TFT-LCD), and self-illuminating does not require poles. Power-consuming backlight modules are more energy-saving and power-saving.

4. High Brightness: High-quality images combined with the characteristics of cathode ray tubes and thin-film transistor liquid crystal displays, the brightness value can reach more than 100,000cd/ ^m2 , and it only needs (5cd/m2) in a low-brightness environment ² ) Clear display content can be provided.

5. Short response time (Fast Response Time): The response time is in nanoseconds μsec, while the liquid crystal display is in microseconds msec, compared with 50msec of thin film transistor liquid crystal display (TFT-LCD) and twisted nematic liquid crystal The 100msec of the display (STN-LCD) is more than 1000 times faster, which makes the video screen more realistic.

6. Light Weight & Slim: Because no backlight module is needed, the thickness of the panel is greatly reduced to less than 2mm.

7. High reliability (Reliability): Under the brightness of 100cd/m ² , the service life is greater than 100,000hrs, and it is more durable because of its simple structure, so it is suitable for fields with high impact and large temperature changes.

8. Full Viewing Angle: The viewing angle is above 175° when viewed from top, bottom, left, and right sides.

9. Excellent Uniformity.

10. High Effective Contrast Ratio.

The wavelength of the polarizer 20 is 1/2 to 1/10, and the preferred wavelength is 1/4. The filter wavelength range of the polarizer 20 is between 400nm and 700nm. On the light-emitting path of the diode panel 10 , not only the contrast of the character-type organic electroluminescence diode panel 10 is improved, but also the light-emitting color is changed by filtering the light of the polarizer 20 with different wavelengths.

The thickness of the printed circuit board 30 is between 0.2mm～10mm (preferably 0.4mm, 0.6mm, 0.8mm, 1.0mm or 1.6mm), and the printed circuit board 30 is oppositely provided with a first assembly part 31 and a The second assembly part 32 . The first assembling portion 31 defines three through holes 311 and a through hole 312 , and the second assembling portion 32 defines three through holes 321 and a through hole 322 opposite to the first assembling portion 31 . The inner side of the first assembly part 31 is provided with a first connection part 33 opposite to the first connection part 11 of the character-shaped organic electroluminescent diode panel 10, and the inner side of the second assembly part 32 is provided with a character-shaped organic electroluminescent diode panel. The second connecting portion 34 opposite to the second connecting portion 12 of the photodiode panel 10 . The printed circuit board 30 is electrically connected to a resistor, through which the brightness of light emission, power consumption can be adjusted (limiting current and improving voltage conversion efficiency can reduce power consumption), and pre-charging timing.

This drive controller 40 (see Fig. 3) comprises a panel control unit 41 and a panel drive unit 42, wherein:

The panel control unit 41 is provided with a micro control integrated circuit 411 , a character generator ROM 412 , a character generator random access memory 413 and a reset integrated circuit 414 . The micro control integrated circuit 411 has a 6800/8080 parallel transmission interface and a serial transmission interface supporting 4bit and 8bit; the character generator read-only memory (Character Generator ROM, CG ROM) 412 is electrically connected to the micro control integrated circuit 411 Connected, the character generator ROM 412 has a built-in multi-language font library of 64x8bit characters (Western Europe, English-Japanese, English-Russian and English-French). The character generator random access memory (Character generator RAM, CG RAM) 413 is electrically connected to the micro-control integrated circuit 411, and the character generator random access memory 413 has a built-in 100×16 drawing function. The reset integrated circuit 414 is electrically connected with the microcontroller integrated circuit 411 for resetting.

The panel drive unit 42 is set to 5x8 or 5x10 for the row x column resolution of the character type organic electroluminescence diode panel 10, and the panel drive unit 42 is randomly connected with the character generator ROM 412 and the character generator respectively. The access memory 413 is electrically connected. The panel driving unit 42 is provided with a common driving circuit 421 , a section control circuit 422 electrically connected to the common driving circuit 421 , and a power supply circuit 423 connected to the section control circuit 422 . The common driving circuit 421 and the segment control circuit 422 are respectively connected to the character-type OLED panel 10 , and the power supply circuit 423 provides working power for the panel driving unit 42 through DC-to-DC conversion.

The conductive element 50 is made of liquid, solid or colloidal elastic conductive material (preferably conductive rubber, silver glue, carbon powder, anisotropic conductive film (ACF) or flat cable (FFC). The conductive element 50 is set Between the character type organic electroluminescent diode panel 10 and the printed circuit board 30, a conductive element 50 is respectively connected to the first connecting portion 33 of the printed circuit board 30 and the character type organic electroluminescent diode panel 10. The first connection part 11 interferes with the connection. Another conductive element 50 is connected with the second connection part 34 of the printed circuit board 30 and the second connection part 12 of the character type organic electroluminescence diode panel 10 respectively, so that the character type The OLED panel 10 is driven and controlled by the driving controller 40 .

The frame 60 is metal (iron or stainless steel) or non-metal (plastic), and the two sides of the frame 60 are opposite to the first assembly portion 31 of the printed circuit board 30 and are provided with a first positioning portion 61 and a second positioning portion 61 of the printed circuit board 30. The assembly part 32 is provided with a second positioning part 62 , and the first positioning part 61 is provided with four positioning protrusions 611 . Three of the positioning protrusions 611 have a deformable movable end 612 , and the second positioning portion 62 has four positioning protrusions 621 . Wherein the three positioning projections 621 have a deformable movable end 622, the frame 60 is inserted into the through hole 311 and the through hole 312 of the first assembly part 31 through the positioning projection 611 of the first positioning part 61, and the The positioning protrusion 611 is bent by the movable end 612 and then stuck on the printed circuit board 30, and the positioning protrusion 621 of the second positioning part 62 is inserted into the through hole 321 and the second assembly part 32 through the second positioning part 62. On the through hole 322. And the positioning protrusion 621 is bent by the movable end 622 and stuck on the printed circuit board 30 , so that the character type organic electroluminescent diode panel 10 is fixed on the printed circuit board 30 by the frame 60 .

Claims (9)

1. A character display module, characterized in that, comprising: A character-shaped organic electroluminescent diode panel, which adopts a dot matrix display, and the character-shaped organic electroluminescent diode panel is provided with a first connection part and a second connection part; A polarizer is arranged on the light-emitting path of the character-type organic electroluminescent diode panel; A printed circuit board, which is provided with a first assembly part and a second assembly part, and the printed circuit board is provided with a first connection part located in the first assembly part relative to the first connection part of the character type organic electroluminescent diode panel. The first connection part on the side, the printed circuit board is provided with a second connection part on the side of the second assembly part relative to the second connection part of the character type organic electroluminescent diode panel; A drive controller, which has a panel control unit and a panel drive unit; A plurality of conductive elements, which are arranged between the character-type organic electroluminescent diode panel and the printed circuit board, respectively connected to the first connection part of the printed circuit board and the character-type organic electroluminescent diode panel connected to the first connecting portion of the printed circuit board and the second connecting portion of the character-type organic electroluminescent diode panel, so that the character-type organic electroluminescent diode panel is affected by the The panel control unit of the drive controller and the drive control of the panel drive unit; and A frame, for the first assembly part of the printed circuit board is provided with a first positioning part cooperating with the first assembly part and the second assembly part of the printed circuit board is provided with a second assembly part The second positioning part is matched with the positioning part, whereby the character-type organic electroluminescent diode panel is positioned on the printed circuit board by the frame. 2. The character-type display module as claimed in claim 1, wherein the character-type organic electroluminescent diode panel adopts a 5x8 dot matrix or a 5x10 dot matrix and a panel control unit and a panel driver of the drive controller. Unit coordination; the character-type organic electroluminescent diode panel adopts a 5x8 dot matrix as a display unit of a character, and the character row and column combination unit is between 4x1～100x1 to 4x40～4x100; the thickness of the character-type organic electroluminescent diode panel is 0.4mm～5mm; the chromaticity value of the character type organic electroluminescent diode panel is between X: 0.1～0.8 and Y: 0.1～0.8; the luminous efficiency of the character type organic electroluminescent diode panel is between 0.65～65( lm/W); the life of the character-type organic electroluminescent diode panel is between 20k and 2000k hours and above 2000k. 3 . The character display module according to claim 1 , wherein: the wavelength of the polarizer is 1/2˜1/10; the wavelength range of the filter of the polarizer is 400 nm˜700 nm. 4 . 4. The character display module as claimed in claim 1 or 2, characterized in that: the panel control unit of the drive controller cooperates with the panel drive unit to be provided with a micro-control integrated circuit, a character generator read-only Memory, a character generator random access memory and a reset integrated circuit; the micro-control integrated circuit of the panel control unit has a 6800/8080 parallel transmission interface and a serial transmission interface supporting 4bit and 8bit; the panel The character generator read-only memory of the control unit is electrically connected to the micro-control integrated circuit, and the character generator read-only memory has a built-in language font library of 64x8bit characters; the character generator random access memory of the panel control unit The body is electrically connected to the micro-control integrated circuit, and the character generator random access memory has a built-in 100x16 drawing function; the reset integrated circuit is electrically connected to the micro-control integrated circuit for resetting; the The row x column resolution of the panel drive unit corresponds to the character-type organic electroluminescent diode panel; the panel drive unit is respectively connected to the character generator read-only memory and the character generator random access memory The panel drive unit is also provided with a common drive circuit, a section control circuit and a power supply circuit; the power supply circuit of the panel drive unit uses DC to DC conversion to supply the common drive circuit and the section Control circuit working power supply. 5. The character display module according to claim 1, wherein the conductive element is made of liquid, solid or colloidal elastic conductive material; wherein, the elastic conductive material is conductive rubber, silver glue , carbon powder, anisotropic conductive film (ACF) or flat cable (FFC). the 6. The character display module according to claim 1, characterized in that: the thickness of the printed circuit board is between 0.2 mm to 10 mm; the printed circuit board is electrically connected to a resistor, and the printed circuit board The first assembly part and the second assembly part are respectively provided with a through hole and a through hole to cooperate with the first positioning part and the second positioning part of the frame. 7. The character display module according to claim 1, characterized in that: the frame is made of iron or stainless steel; the first positioning part and the second positioning part of the frame are respectively provided with positioning protrusions, The frame is inserted into the through hole and the through hole of the first assembly part of the printed circuit board through the positioning protrusion of the first positioning part, and the positioning protrusion of the second positioning part is inserted into the printed circuit board. On the perforation and through hole of the second assembly part of the board, the positioning protrusion of the first positioning part has a movable end for deformation and positioning on the printed circuit board, and the positioning protrusion of the second positioning part has a It is used to deform and locate the movable end on the printed circuit board; the first assembly part of the printed circuit board is set opposite to the second assembly part, and the first positioning part and the second positioning part of the frame adopt Oppositely disposed, the first connecting portion and the second connecting portion of the panel are disposed oppositely, and the first connecting portion and the second connecting portion of the printed circuit board are disposed oppositely. 8. A character display module, characterized in that it comprises: A panel is provided with a first connecting portion and a second connecting portion; A polarizer is arranged on the light-emitting path of the panel; A printed circuit board is provided with a first assembly part and a second assembly part, and the printed circuit board is provided with a first connection part located on the side of the first assembly part relative to the first connection part of the character type organic electroluminescent diode panel. The first connection part of the printed circuit board is provided with a second connection part on the side of the second assembly part relative to the second connection part of the character type organic electroluminescent diode panel; A drive controller, having a panel control unit and a panel drive unit; A plurality of conductive elements are arranged between the character-type organic electroluminescent diode panel and the printed circuit board, respectively connected to the first connection part of the printed circuit board and the character-type organic electroluminescent diode panel connected to the first connecting portion of the printed circuit board and the second connecting portion of the character-type organic electroluminescent diode panel, so that the character-type organic electroluminescent diode panel is affected by the The panel control unit of the drive controller and the drive control of the panel drive unit; and A frame, for the first assembly part of the printed circuit board is provided with a first positioning part which is matched with the first assembly part and the second assembly part of the printed circuit board is provided with a first positioning part which is matched with the second assembly part Cooperate with the second positioning part for positioning, whereby the character-type organic electroluminescent diode panel is positioned on the printed circuit board by the frame. 9. The character-type display module according to claim 8, wherein: the panel is a character-type organic electroluminescent diode panel; the first connection part and the second connection part of the panel are arranged oppositely; The first assembling part of the printed circuit board is arranged opposite to the second assembling part; the first connecting part and the second connecting part of the printed circuit board are arranged oppositely; the first positioning part and the second positioning part of the frame Use relative settings. the

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