CN205376005U - Display module - Google Patents

Abstract

The utility model discloses a display module, which includes a display panel, a backplane, a light-emitting module and a support member. The backplane supports the display panel and contains the opening. The light-emitting module is located on the backplane and is arranged corresponding to the opening. The light-emitting module includes a circuit board and a light-emitting component arranged on the circuit board. The support member is located on the opening and supports the light emitting module.

Description

display module

technical field

The utility model relates to a display module, in particular to a display module which can provide uniform brightness.

Background technique

A conventional display module includes a backplane and a backlight module disposed on the backplane. The backlight module includes a flexible circuit board and light-emitting diodes. The light-emitting diodes are used to provide sufficient display light to the display area of the display module. Due to the continuous pursuit of high-resolution performance of the current display module, the number of light-emitting diodes continues to increase, so that the light-emitting diodes must be densely arranged on the flexible circuit board.

However, when the local position of the backplane of the display module cannot effectively support a certain light emitting diode on the flexible circuit board, the light emitting diode will cause an uneven sag in the corresponding position of the flexible circuit board, so that the light emitting diode The deviation of the light-emitting angle of the display module will cause the phenomenon of uneven brightness (mura) in the display area of the display module.

Contents of the invention

An object of the present utility model is to provide a display module for solving the problem described in the background art, that is, the light-emitting diodes are sunken, causing the light-emitting angle of the light-emitting diodes to deviate, thereby causing uneven brightness in the display area of the display module. The phenomenon.

To achieve the above purpose, the display module provided by the present invention includes a display panel, a backplane, a light emitting module and at least one supporting member. The backplane supports the display panel, and the backplane includes at least one opening. The light emitting module is located on the back plate and arranged corresponding to the opening. The light emitting module includes a circuit board and at least one light emitting component arranged on the circuit board. The support is located on the opening and supports the light emitting module.

In this way, in the embodiment, even if the light-emitting component is located at the opening, since the supporting member supports the light-emitting module to increase local stiffness and reduce the sinking range of the light-emitting component, it can reduce or even avoid the light-emitting angle caused by the light-emitting component not being in close contact with the light guide plate deviation, thereby reducing or even avoiding uneven brightness of the display module.

In one or more embodiments of the present invention, the orthographic projection of the light-emitting component to the backplane overlaps with the opening.

In one or more embodiments of the present invention, the support is interposed between the backplane and the circuit board, and the support covers the opening.

In one or more embodiments of the present invention, there are multiple supports and openings, and these supports cover the openings one by one.

In one or more embodiments of the present invention, there is a single support member, and there are multiple openings. The support covers these openings together.

In one or more embodiments of the present invention, the edge of the opening includes a stepped support structure, wherein the support member is located on the stepped support structure.

In one or more embodiments of the present invention, one side of the backboard is flush with one side of the supporting member.

In one or more embodiments of the present invention, the back plate further includes a bent lug. The bent lug is folded from the back panel to one side of the back panel, and the opening is exposed by turning over the bent lug, wherein the shape of the bent lug matches the shape of the opening.

In one or more embodiments of the present utility model, the supporting member is a piece or a line.

In one or more embodiments of the present invention, the supporting member is a foam sheet, an insulating sheet or a metal sheet.

In one or more embodiments of the present invention, the support member is at least a wire body, and two ends of the wire body are respectively connected with a first tension member and a second tension member.

The utility model has the advantages that: because the supporting member supports the light-emitting module, the local stiffness is increased, the sinking range of the light-emitting component is reduced, and the problem that the light-emitting component cannot be in close contact with the light guide plate is caused by the deviation of the light-emitting angle can be reduced or even avoided. Avoid uneven brightness of the display module.

The above description is only used to illustrate the problems to be solved by the utility model, the technical means to solve the problems, and the effects thereof, etc. The specific details of the utility model will be introduced in detail in the following embodiments and related drawings .

Description of drawings

In order to make the above and other purposes, features, advantages and embodiments of the present invention more obvious and understandable, the accompanying drawings are described as follows:

Fig. 1 is the top view of the display module of the first embodiment of the present utility model;

Fig. 2 is a sectional view along line 2-2 of Fig. 1;

Fig. 3 is a schematic diagram of a backplane and a support in the first embodiment;

Fig. 4A is a partial schematic diagram of a backplane equipped with a light-emitting module according to the second embodiment of the present invention;

Fig. 4B is a cross-sectional view along line 4-4 of Fig. 4A;

Fig. 5A is a partial schematic diagram of a backplane equipped with a light-emitting module according to a third embodiment of the present invention;

Fig. 5B is a cross-sectional view along line 5-5 of Fig. 5A;

Fig. 6A is a partial schematic diagram of a backplane equipped with a light-emitting module according to the fourth embodiment of the present invention;

Fig. 6B is a cross-sectional view along line 6-6 of Fig. 6A;

7A is a partial schematic diagram of a backplane equipped with a light-emitting module according to a fifth embodiment of the present invention; and

FIG. 7B is a cross-sectional view of FIG. 7A along line 7-7.

Symbol Description

100: display module

110: display panel

110A: display area

111: circuit board

120: Backplane

121: top surface

122: Bottom

130: opening

131: side wall

140: Bend Lugs

141: Locking Department

150: Flip Flange

151: Long and narrow space

160: Ladder support structure

170, 180: depression

170D, 180D: Depth

171, 181: side wall

172, 182: Bottom

200: light emitting module

210: circuit board

220: Luminous components

300, 301: supports

300H, 301H: Thickness

310: line body

320: first tension member

330: second tension member

400: frame

500: optical sheet

600: Tape

700: light guide plate

P: orthographic projection

B: Bolt

2-2, 4-4, 5-5, 6-6: line segments

detailed description

A number of implementations of the present invention will be disclosed below with the accompanying drawings. For the sake of clarity, many practical details will be described together in the following description. However, those skilled in the art should understand that in some embodiments of the present invention, these practical details are not necessary, and thus should not be used to limit the present invention. In addition, for the sake of simplification of the drawings, some conventional structures and components are simply shown in the drawings. In addition, for the convenience of readers, the size of each component in the drawings is not drawn according to actual scale.

"About", "approximately" or "approximately" used in this article generally means that the error or range of the value is within 20%, preferably within 10%, more preferably within Within five percent. If there is no explicit statement in the text, the numerical values mentioned are all regarded as approximate values, that is, there are errors or ranges indicated by "about", "approximately" or "approximately".

first embodiment

FIG. 1 is a top view of a display module 100 according to a first embodiment of the present invention. Fig. 2 is a cross-sectional view along line 2-2 of Fig. 1 . FIG. 3 is a schematic diagram of the backplane 120 and the supporting member 300 of the first embodiment. Please refer to FIG. 1 to FIG. 3 together. In this embodiment, the display module 100 includes a display panel 110 , a backplane 120 , a light emitting module 200 , a light guide plate 700 and a support member 300 . The backplane 120 supports the display panel 110 , the light emitting module 200 , the light guide plate 700 and the like. The light guide plate 700 is located between the display panel 110 and the back plate 120 , and the light emitting module 200 is located on one side of the light guide plate 700 . The backplane 120 includes an opening 130 . The light emitting module 200 is located on the backplane 120 and is disposed corresponding to the opening 130 . The light emitting module 200 includes a circuit board 210 and a light emitting component 220 . The light emitting component 220 is disposed on the circuit board 210 and emits light toward the light guide plate 700 . The support 300 is located on the opening 130 and supports the light emitting module 200 , especially the light emitting assembly 220 corresponding to the opening 130 . support.

In this way, when the light-emitting component 220 is located above the opening 130, because the light-emitting module 200 is supported by the support member 300, the local stiffness is increased and the sag of the light-emitting component is reduced, which can reduce or even prevent the light-emitting component 220 from being unable to connect with the light guide plate 700. The close contact causes the deviation of the light emitting angle of the light emitting component 220 , thereby reducing or even avoiding the uneven brightness of the display area 110A of the display module 100 .

Specifically, as shown in FIG. 2 and FIG. 3 , in this embodiment, there are multiple openings 130 , and these openings 130 are arranged at intervals on the side of the back plate 120 where the light emitting module 200 is placed. At least part of the light-emitting components 220 correspond to the openings 130 (that is, located above one of the openings 130 ), and the orthographic projection P of the light-emitting components 220 corresponding to the openings 130 to the back plate 120 completely overlaps with the openings 130 , in other words, the light emitting from the corresponding openings 130 The orthographic projection P of the component 220 to the back plate 120 is completely within the outline of the opening 130, but is not limited thereto. That is, the orthographic projection of the light emitting assembly 220 corresponding to the opening 130 to the back plate 120 is only partially within the outline of the opening 130 . In addition, there are multiple supports 300, the supports 300 are interposed between the backplane 120 and the circuit board 210, the supports 300 correspond to the openings 130 one by one, and the supports 300 are partially located on the backplane 120 and partially located on the opening 130. Above, the support member 300 covers the opening 130 . In detail, the supporting member 300 covers the side of the backplane 120 facing the circuit board 210 (hereinafter referred to as the top surface 121 ), and covers one of the openings 130 of the top surface 121 of the backplane 120 .

In this embodiment, the support members 300 are sheet bodies, such as insulating sheet bodies with adhesive on one side, however, the present invention is not limited thereto. In other embodiments, the supporting member can also be an adhesive tape, a foam sheet, or a metal sheet.

In this embodiment, the back plate 120 further includes bent lugs 140 . The bent lug 140 is folded from the back panel 120 to one side of the back panel 120 , and the opening 130 is exposed by the bent lug 140 . For example, the bent lug 140 is a part of the back plate 120 that is punched and folded to one side of the outer edge of the back plate 120, and the opening 130 is exposed by the back plate 120 after being punched and folded. The shape of the lug 140 exactly matches the shape of the opening 130 . In addition, the back panel 120 also includes a strip-shaped folded flange 150 . The folded flange 150 is folded from one side of the back plate 120 to above the top surface 121 of the back plate 120, so that the folded flange 150 and the back plate 120 define a long and narrow space 151 for accommodating the light emitting module 200 .

In addition, as shown in FIG. 2 , the display module 100 further includes a frame 400 , an optical sheet 500 , an adhesive tape 600 and a circuit board 111 . The frame 400 is disposed on the backplane 120 . The display panel 110 is placed on the frame 400 . The optical sheet 500 is placed between the display panel 110 and the light guide plate 700 . The adhesive tape 600 covers the frame 400 and the display panel 110 , and exposes the display area 110A ( FIG. 1 ). The circuit board 111 is electrically connected to the display panel 110 , and the circuit board 111 can be locked on the locking portions 141 (such as screw holes) provided on the bent lugs 140 through the bolts B .

second embodiment

FIG. 4A is a partial schematic diagram of a light emitting module 200 configured on the backplane 120 according to the second embodiment of the present invention. FIG. 4B is a cross-sectional view of FIG. 4A along line 4-4. As shown in FIG. 4A and FIG. 4B , the display module of the second embodiment is substantially the same as the display module 100 of the first embodiment, one of the differences is that the number of support members 301 in this embodiment is a single one, and the support members 301 covers these openings 130 , and the supporting member 301 is, for example, an insulating material, an adhesive tape, a foam sheet or a metal sheet, and the like. In this way, under the premise of simplifying the assembly process, covering multiple openings 130 with a single support member 301 can also reduce assembly time, labor hours and costs.

third embodiment

FIG. 5A is a partial schematic diagram of the backplane 120 configured with the light emitting module 200 according to the third embodiment of the present invention. FIG. 5B is a cross-sectional view along line 5 - 5 according to FIG. 5A . As shown in FIG. 5A and FIG. 5B , the display module of the third embodiment is substantially the same as the display module 100 of the first embodiment, one of the differences is that in this embodiment, the back plate 120 has a step at the edge of the opening 130 The supporting structure 160 is shaped like a ladder, and the supporting member 301 is located on the supporting structure 160 shaped like a ladder.

For example, the backplane 120 includes a single depression 170 , and the single depression 170 is elongated and formed on the top surface 121 of the backplane 120 . These openings 130 are respectively formed in the bottom 172 of the single concave portion 170, and penetrate and connect the bottom surface 122 of the back plate 120 opposite to the top surface 121, so that the side walls 131 of the openings 130 and the side walls 171 of the single concave portion 170 jointly form the above-mentioned stepped shape. support structure 160 . The support member 301 is, for example, a single piece, such as a strip-shaped insulating material, adhesive tape, foam sheet or metal sheet, etc., located in the single concave portion 170 . When the single support 301 covers the bottom 172 of the single recess 170 , the single support 301 covers the openings 130 together. It should be understood that since the depth 170D of the recessed portion 170 is approximately equal to the thickness 301H of the support member 301 , the top surface 121 of the back plate 120 is substantially flush with the support member 301 for contacting one side of the light emitting module 200 . Therefore, when the light emitting module 200 is placed on the single support member 301, since the top surface 121 of the back plate 120 is substantially flush with the support member 301 for contacting one side of the light emitting module 200, the height of the light emitting module 200 will not be changed in the original design. , so as not to increase the thickness of the display module.

However, in this embodiment, there is no limitation that the support must be a single one. In other variations of this embodiment, there are multiple supports (not shown in the figure), and these supports are covered one by one in a single recess. These openings (not shown in the figure).

Fourth Embodiment

FIG. 6A is a partial schematic view of the backplane 120 configured with the light emitting module 200 according to the fourth embodiment of the present invention. Fig. 6B is a cross-sectional view along line 6-6 according to Fig. 6A. As shown in FIG. 6A and FIG. 6B , the display module of the fourth embodiment is substantially the same as the display module of the third embodiment. One of the differences is that in this embodiment, the back plate 120 includes a plurality of recessed portions 180 . These recesses 180 are formed at intervals on the top surface 121 of the back plate 120, and each opening 130 is formed at the bottom 182 of one of the recesses 180, and penetrates and connects the bottom surface 122 of the back plate 120 opposite to the top surface 121, so that the opening 130 The sidewall 131 of the sidewall 131 and the sidewall 181 corresponding to the recessed part 180 jointly form the stepped support structure 160 . There are multiple support members 300 , and each support member 300 covers its opening 130 in one of the recessed portions 180 .

It should be understood that since the depth 180D of the recess 180 is equal to the thickness 300H of the support 300 , the top surface 121 of the back plate 120 is substantially flush with the support 300 for contacting one side of the light emitting module 200 . Therefore, when the light-emitting module 200 is placed on these supports 300, because the top surface 121 of the back plate 120 is substantially flush with the support 300 for contacting one side of the light-emitting module 200, the height of the light-emitting module 200 will not change in the original design. Therefore, the thickness of the display module will not be increased.

Fifth Embodiment

FIG. 7A is a partial schematic diagram of a backplane 120 configured with a light emitting module 200 according to a fifth embodiment of the present invention. FIG. 7B is a cross-sectional view along line 7 - 7 of FIG. 7A . As shown in FIG. 7A and FIG. 7B , the display module 100 of the fifth embodiment is substantially the same as the display module 100 of the first embodiment. One of the differences is that in this embodiment, the support is not a sheet, but the support 300 is a plurality of wire bodies 310 , such as metal wires, but not limited thereto, and the support member 300 can also be strips, such as steel strips or insulated wires. The line body 310 is placed on the back plate 120 at intervals, and at the same time crosses over these openings 130, so that the light-emitting module 200 placed on the line body 310 can also be supported, thus reducing the sag of the light-emitting component 220, and can reduce or even avoid the light-emitting component. 220 cannot be tightly bonded with the light guide plate 700 , resulting in deviation of the light emitting angle of the light emitting component 220 , thereby reducing or even avoiding uneven brightness of the display module 100 . The two ends of the wire body 310 are connected to the first tension member 320 and the second tension member 330 respectively, and the tension members 320 and 330 are used to maintain the tension of the wire body 310 to support the light emitting module 200. The first tension member 320 and the For example, the second tension member 330 can be fixed on the backboard 120 by using a fastener (such as a bolt, etc.), but it is not limited thereto, as long as it can be used to maintain the tension of the wire body 310 .

In addition to the openings 130 exposed on the back plate for forming the bent lugs 140, the openings described in all the above embodiments may also be the outlets of the circuit board 210 of the light emitting module 200 or openings for other purposes, as long as It is suitable for any opening corresponding to the light emitting module. In addition, the circuit boards described in all the above embodiments may be printed circuit boards, flexible wiring boards or flexible circuit boards.

Claims (10)

1. A display module, characterized in that the display module comprises: display panel; a backplane supporting the display panel and including at least one opening; The light emitting module is located on the back plate and is arranged corresponding to the opening, including: circuit boards; and At least one light-emitting component is arranged on the circuit board; and At least one supporting piece is located on the opening, and the supporting piece supports the light emitting module. 2 . The display module according to claim 1 , wherein an orthographic projection of the light-emitting component onto the back plate at least partially overlaps with the opening. 3. The display module as claimed in claim 1, wherein the supporting member is interposed between the back plate and the circuit board, and the supporting member covers the opening. 4 . The display module according to claim 1 , wherein the at least one supporting member and the at least one opening are respectively plural, and the supporting members respectively cover the openings one by one. 5 . The display module according to claim 1 , wherein the at least one supporting member is single, and the at least one opening is multiple, wherein the supporting member covers the openings. 6. The display module as claimed in claim 3, wherein the edge of the opening comprises a stepped support structure, wherein the support member is located on the stepped support structure. 7. The display module according to claim 6, wherein one side of the back plate is flush with one side of the support member. 8. The display module according to claim 1, wherein the backplane further comprises: The bent lug is folded from the back plate to one side of the back plate, and the opening is exposed by turning the bent lug, wherein the shape of the bent lug matches the shape of the opening . 9. The display module according to claim 1, wherein the support member is a piece or a line. 10 . The display module according to claim 1 , wherein the supporting member is at least a wire body, and two ends of the wire body are respectively connected with a first tension member and a second tension member. 11 .