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WO2018120139A1 - Écran souple et dispositif d'affichage - Google Patents

Écran souple et dispositif d'affichage Download PDF

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Publication number
WO2018120139A1
WO2018120139A1 PCT/CN2016/113772 CN2016113772W WO2018120139A1 WO 2018120139 A1 WO2018120139 A1 WO 2018120139A1 CN 2016113772 W CN2016113772 W CN 2016113772W WO 2018120139 A1 WO2018120139 A1 WO 2018120139A1
Authority
WO
WIPO (PCT)
Prior art keywords
display screen
flexible display
bent
edge
display area
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2016/113772
Other languages
English (en)
Chinese (zh)
Inventor
朱剑磊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Royole Technologies Co Ltd
Original Assignee
Shenzhen Royole Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Royole Technologies Co Ltd filed Critical Shenzhen Royole Technologies Co Ltd
Priority to CN201680043030.8A priority Critical patent/CN107995988A/zh
Priority to PCT/CN2016/113772 priority patent/WO2018120139A1/fr
Publication of WO2018120139A1 publication Critical patent/WO2018120139A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes

Definitions

  • the present invention relates to the field of display technologies, and in particular, to a flexible display screen and a display device.
  • the display screen includes a display area and a lead area connecting the display areas, and the lead area is provided with leads connecting the display areas.
  • the lead area In order to increase the proportion of the display area relative to the display screen and to achieve a narrow bezel, the lead area is generally bent.
  • the flexible display screen of the existing external driving chip is difficult to bend the display area after the lead area is bent. Therefore, the flexible display screen of the existing external driving chip cannot balance the narrow frame display and the bending property.
  • the present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention provides a flexible display screen and a display device.
  • a flexible display screen in accordance with an embodiment of the present invention includes a display area and a lead area.
  • the lead area connects to the edge of the display area.
  • the lead region includes a plurality of bent portions in a bent shape, and the bent portion has a tapered shape along a direction in which the bent portion is bent, and a flexible display screen is defined between the adjacent two bent portions and the display portion. Bend the shaft.
  • the display area has a rectangular shape
  • the bent portion has a tapered shape in a direction away from a long edge of the display area when the bent portion is tiled.
  • the number of the bent portions is two, and the two bent portions are arranged side by side, and both of the bent portions are connected to the same long edge of the display area.
  • the lead region further includes a rectangular connecting portion, the adjacent two bent portions are connected to the display region through the connecting portion, the connecting portion and the connecting portion The two bent portions that are connected are located at the same long edge of the display area.
  • the number of the bent portions is two, and the two bent portions are arranged side by side, and the two bent portions are connected to the same long edge of the display area through one of the connecting portions. .
  • each of the long edges of the display area is coupled to one of the connecting portion and two of the bent portions, and the two of the bent portions on each of the long edges Side by side settings.
  • the flexible display screen comprises a flexible OLED.
  • the display area is rectangular and includes a first edge and a second edge that are vertically connected, the lead area connecting the first edge and extending to the first edge and the second edge Connection.
  • the flexible display screen includes a first circuit board connecting the second edge and a first chip disposed on the first circuit board.
  • the flexible display screen further includes:
  • the curling portion Connecting the second edge to a bent bead; the curling portion has a tapered shape along a direction in which the bead portion is bent;
  • a first circuit board connecting the bead portions.
  • the flexible display screen includes a second circuit board that connects the bends and a second chip that is disposed on the second circuit board.
  • the flexible display screen includes a second chip disposed on the bend and electrically coupled to the display area.
  • a display device includes the flexible display panel of any of the above embodiments.
  • the bent portion can reduce the frame of the flexible display screen, and the bent portion has a tapered shape so that the adjacent two bent portions and the display area can be defined
  • the bending axis is bent so that the flexible display screen can be bent along the bending axis, so that the flexible display screen can simultaneously take care of the narrow bezel display and the bending property.
  • FIG. 1 is a schematic side view of a flexible display screen according to an embodiment of the present invention.
  • Figure 2 is a schematic view of the flexible display screen of Figure 1 after being bent;
  • Figure 3 is a plan view of the flexible display screen of Figure 1;
  • FIG. 4 is another plan view of a flexible display screen according to an embodiment of the present invention.
  • FIG. 5 is still another plan view of a flexible display screen according to an embodiment of the present invention.
  • FIG. 6 is a further plan view of a flexible display screen according to an embodiment of the present invention.
  • Fig. 7 is still another plan view of the flexible display screen of the embodiment of the present invention.
  • Display area 10 display surface 12, back surface 14, long edge 15, short edge 16, first edge 17, second edge 18;
  • Lead area 20 bent portion 22, lead 24, connecting portion 25;
  • the second chip 70 The second chip 70.
  • first and second are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated.
  • features defining “first” or “second” may include one or more of the described features either explicitly or implicitly.
  • the meaning of "a plurality” is two or more unless specifically and specifically defined otherwise.
  • connection In the description of the present invention, it should be noted that the terms “installation”, “connected”, and “connected” are to be understood broadly, and may be fixed or detachable, for example, unless otherwise explicitly defined and defined. Connected, or integrally connected; may be mechanically connected, may be electrically connected or may communicate with each other; may be directly connected, or may be indirectly connected through an intermediate medium, may be internal communication of two elements or interaction of two elements relationship.
  • Connected, or integrally connected may be mechanically connected, may be electrically connected or may communicate with each other; may be directly connected, or may be indirectly connected through an intermediate medium, may be internal communication of two elements or interaction of two elements relationship.
  • the specific meanings of the above terms in the present invention can be understood on a case-by-case basis.
  • the first feature "on” or “under” the second feature may include direct contact of the first and second features, and may also include first and second features, unless otherwise specifically defined and defined. It is not in direct contact but through additional features between them.
  • the first feature "above”, “above” and “above” the second feature includes the first feature directly above and above the second feature, or merely indicating that the first feature level is higher than the second feature.
  • the first feature “below”, “below” and “below” the second feature includes the first feature directly below and below the second feature, or merely the first feature level being less than the second feature.
  • the flexible display screen 100 of the embodiment of the present invention includes a display area 10 and a lead area 20.
  • the lead area 20 is connected to the edge of the display area 10.
  • the lead region 20 includes a plurality of bent portions 22 in a bent shape.
  • the bent portion 22 has a tapered shape along a direction R in which the bent portion 22 is bent, and the adjacent two bent portions 22 and the display portion 10 defines a bending axis 102 of the flexible display screen 100.
  • the bent portion 22 is formed to reduce the frame of the flexible display screen 100, and the bent portion 22 has a tapered shape so that the adjacent two bent portions 22 and the display area are
  • the bend axis 102 can be defined such that the flexible display screen 100 can be bent along the bend axis 102 such that the flexible display screen 100 can simultaneously accommodate both narrow bezel display and bendability.
  • a plurality of leads 24 are formed on the lead region 20, and the leads 24 are used for connection with an external circuit.
  • the plurality of leads 24 are gathered to match the arrangement shape of the lead wires 24 with the bent portion 22.
  • the display area 10 includes a display surface 12 and a back surface 14.
  • the display surface 12 and the back surface 14 are disposed opposite each other.
  • the display surface 12 is for displaying information such as text and images.
  • a monolithic display screen when manufacturing the flexible display 100, can be first cut to form the display area 10 and the lead area 20, and the bent portion 22 is elongated along the display area 10 when tiled.
  • the edge 15 has a tapered shape, and then a gathered lead 24 is formed on the lead region 20, and finally the bent portion 22 with the lead 24 is bent to the back surface 14 of the display region 10, so that the area and flexibility of the display region 10 can be made.
  • the aspect ratio of the front side of the display screen 100 is large, so that the flexible display screen 100 has a narrow bezel display.
  • the bending shaft 102 extends in the Y direction.
  • the flexible display screen 100 can be bent along the bending axis 102 to make the flexible display screen
  • the areas of the X direction of 100 overlap, as shown in FIG. 2, so that the flexible display screen 100 has a bendability, which facilitates bending the flexible display screen 100 into different shapes, such as a curved shape, a folded shape, and the like.
  • the flexible display screen 100 includes a flexible OLED (Organic Light-Emitting Diode).
  • OLED Organic Light-Emitting Diode
  • the flexible OLED has the advantages of low power consumption, low manufacturing cost, and the like, so that the cost of the flexible display screen 100 can be reduced.
  • the display area 10 has a rectangular shape.
  • the bent portion 22 When the bent portion 22 is tiled, the bent portion 22 has a tapered shape in a direction away from the long edge 15 of the display area 10, as shown in FIG.
  • the rectangular display area 10 is easy to manufacture and conforms to the habit of the user viewing the display information using the flexible display area 10, thereby improving the user experience.
  • the number of the bent portions 22 is two, and the two bent portions 22 are arranged side by side, and the two bent portions 22 are both connected to the same long edge 15 of the display area 10, as shown in FIG. .
  • the bends 22 are located at the same long edge 15 of the display region 10 such that the bend axis 102 is substantially parallel to the short edge 16 of the display region 10, thereby making the flexible display screen 100 more easily bent along the bend axis 102.
  • the lead region 20 further includes a rectangular connecting portion 25, and the adjacent two bent portions 22 are connected to the display region 10 through the connecting portion 25.
  • the connecting portion 25 and the two bent portions 22 connected to the connecting portion 25 are located at the same long edge 15 of the display region 10.
  • the connecting portion 25 can be presented as a black area located at the edge of the display area 10, so that the flexible display screen 100 can be appropriately increased.
  • connecting portion 24 is also formed with leads connecting the display regions 10, the leads may be right-angled bends or straight lines or a combination thereof, and the connecting portion 24 may be provided to increase the area of the flexible display screen 100 that can be bent.
  • the bending axis 102 can be located in the bending region 110.
  • the connecting portion 24 increases the bend of the flexible display screen 100 in the X direction as compared to the flexible display screen 100 omitting the connecting portion, such as the example of FIG.
  • the area of the folded area facilitates bending of the flexible display screen 100 at different positions.
  • the number of the bent portions 22 is two, and the two bent portions 22 are arranged side by side, and the two bent portions 22 are connected to the same long edge 15 of the display area 10 through a connecting portion 25, such as Figure 4 shows.
  • the non-display area formed by the connecting portion 25 is located on the side of the long edge 15 of the display area 10, so that the layout of the flexible display screen 100 is more coordinated to enhance the user experience.
  • each of the long edges 15 of the display area 10 is connected with a connecting portion 25 and two bent portions 22, and the two bent portions 22 on each long edge 15 are side by side. Settings.
  • the upper and lower edge positions of the display area 10 are each formed with a non-display area to meet the needs of the user.
  • the specific positions of the bent portion 22 and the connecting portion 25 can be specifically set according to actual conditions.
  • the display area 10 is rectangular and includes a first edge 17 and a second edge 18 that are vertically connected.
  • the lead area 20 connects the first edge 17 and extends to the first edge 17 and The junction of the two edges 18.
  • the display area 10 includes a plurality of columns of display pixels, and the display pixels are connected to an external circuit through the leads 24 on the lead area 20, and the external circuit can drive the display pixels to display different information through the leads 24.
  • the lead region 20 connects the first edge 17 and extends to the junction of the first edge 17 and the second edge 18 such that the leads 24 on the lead region 20 can connect each column of pixels of the display region 10 such that an external circuit can drive the display region
  • Each area of 10 can display information content.
  • the flexible display screen 100 includes a first circuit board 40 and a first chip 50.
  • the first circuit board 40 is connected to the second edge 18.
  • the first chip 50 is disposed on the first circuit board 40.
  • the first circuit board 40 is, for example, a flexible circuit board, and the first circuit board 40 can be connected to an external component such as a power source.
  • the first chip 50 can be disposed on the first circuit board 40 by a COF (Chip On Flex) technology.
  • the first circuit board 40 is connected to the external circuit to supply a voltage to the display area 10 of the flexible display screen 100 to cause the display area 10 to emit light, thereby displaying information such as characters and images, and the first chip 50 controls the content displayed on the display area 10.
  • an external circuit connected to the lead region 20 can be used to connect the column pixel electrodes of the display region 20, and the first chip 50 can be used to connect the row pixel electrodes of the display region 10.
  • the flexible display screen 100 further includes a beading portion 30 that is connected to the second edge 18 and has a bent shape, which is crimped in the direction in which the beading portion 30 is bent.
  • the portion 30 has a tapered shape.
  • the first chip 50 is disposed on the beading portion 30, and the first chip 50 is electrically connected to the display region 10.
  • the first circuit board 40 is connected to the beading portion 30.
  • the first chip 50 may be disposed on the beading portion 30 by a COG (Chip On Glass) technology.
  • COG Chip On Glass
  • the first chip 50 may be first placed on the beading portion 30, and then the bead portion 30 with the first chip 50 may be bent to the back surface 14 of the display region 10.
  • beading portion 30 can be formed with leads to connect the display area 10 and the first chip 50, and connect the display area 10 and the first circuit board 40.
  • the flexible display screen 100 includes a second circuit board 60 and a second chip 70.
  • the second circuit board 60 is connected to the bent portion 22, and the second chip 70 is disposed at the second portion.
  • On the circuit board 60 On the circuit board 60.
  • the second chip 70 may be a gate chip and/or an SD (drain/source) chip.
  • the second chip 70 can drive the display area 10 to display text, images, and the like.
  • the second circuit board 60 can also be a flexible circuit board, and the second chip 70 is disposed on the second circuit board 60, for example, by COF technology.
  • the second circuit board 60 may be omitted, and the second chip 70 is directly disposed on the bent portion 22 .
  • the second chip 70 is fixed to the bent portion 22 by, for example, COG technology.
  • a display device includes the flexible display screen 100 of any of the above embodiments.
  • the display device can include a housing that can secure the flexible display screen 100 to a particular shape.
  • the bent portion 22 is formed to reduce the frame of the flexible display screen 100, and the bent portion 22 has a tapered shape so that the adjacent two bent portions 22 and the display portion 10 are Limit the bend
  • the folding shaft 102 allows the flexible display screen 100 to be bent along the bending axis 102, so that the flexible display screen 100 can simultaneously achieve both narrow bezel display and bending.
  • the display device is, for example, an electronic device such as a television, a mobile phone, a tablet computer or the like having the above flexible display screen 100.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Electroluminescent Light Sources (AREA)

Abstract

L'invention concerne un écran souple (100) et un dispositif d'affichage, l'écran souple (100) comprenant une zone d'affichage (10) et une zone de connexion (20). La zone de connexion (20) est connectée à un bord de la zone d'affichage (10). La zone de connexion (20) comprend une pluralité de parties courbées (22) se présentant sous une forme courbée ; le long de la direction de courbure de la partie courbée (22), la partie courbée (22) est de forme effilée ; et entre deux parties courbées (22) adjacentes, un axe de flexion (102) de l'écran souple (100) est défini par les parties courbées et la zone d'affichage (10). Dans l'écran souple (100) susmentionné et le dispositif d'affichage, les parties courbées (22) se présentant sous une forme courbée sont capables de réduire un cadre de l'écran souple (100) ; et étant donné que les parties courbées (22) sont de forme effilée, deux parties courbées (22) adjacentes et la zone d'affichage (10) peuvent définir l'axe de flexion (102) entre les parties courbées, de telle sorte que l'écran souple (100) peut être courbé le long de l'axe de flexion (102), de telle sorte que l'écran souple (100) peut être affiché avec une bordure étroite et a également une aptitude au pliage en même temps.
PCT/CN2016/113772 2016-12-30 2016-12-30 Écran souple et dispositif d'affichage Ceased WO2018120139A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201680043030.8A CN107995988A (zh) 2016-12-30 2016-12-30 柔性显示屏和显示装置
PCT/CN2016/113772 WO2018120139A1 (fr) 2016-12-30 2016-12-30 Écran souple et dispositif d'affichage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2016/113772 WO2018120139A1 (fr) 2016-12-30 2016-12-30 Écran souple et dispositif d'affichage

Publications (1)

Publication Number Publication Date
WO2018120139A1 true WO2018120139A1 (fr) 2018-07-05

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PCT/CN2016/113772 Ceased WO2018120139A1 (fr) 2016-12-30 2016-12-30 Écran souple et dispositif d'affichage

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CN (1) CN107995988A (fr)
WO (1) WO2018120139A1 (fr)

Cited By (4)

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CN111427467A (zh) * 2019-01-10 2020-07-17 南昌欧菲光科技有限公司 一种触控模组及柔性触摸显示屏
CN111600979A (zh) * 2020-05-22 2020-08-28 北京小米移动软件有限公司 可弯折显示屏的支撑骨架及可弯折显示屏
CN113261047A (zh) * 2019-01-16 2021-08-13 深圳市柔宇科技股份有限公司 Amoled显示面板及显示器
CN116193008A (zh) * 2021-11-29 2023-05-30 北京小米移动软件有限公司 显示屏组件和终端设备

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CN108924291A (zh) * 2018-06-12 2018-11-30 武汉华星光电半导体显示技术有限公司 柔性显示面板及电子设备
CN112513961A (zh) * 2018-06-15 2021-03-16 深圳市柔宇科技股份有限公司 柔性屏防尘机构、电子装置及柔性屏防尘机构的制造方法
CN108648632B (zh) * 2018-07-18 2024-03-26 昆山国显光电有限公司 柔性显示器件和显示装置
CN109686757B (zh) * 2018-12-04 2020-08-04 武汉华星光电半导体显示技术有限公司 柔性基板及采用该柔性基板的显示面板
WO2020133444A1 (fr) * 2018-12-29 2020-07-02 深圳市柔宇科技有限公司 Dispositif d'affichage
CN109686267A (zh) * 2019-02-26 2019-04-26 武汉华星光电半导体显示技术有限公司 Oled显示装置
CN109616023B (zh) * 2019-02-28 2021-06-08 上海天马有机发光显示技术有限公司 显示装置
KR102668904B1 (ko) * 2019-03-28 2024-05-24 삼성디스플레이 주식회사 표시 장치
CN112735261A (zh) * 2019-10-28 2021-04-30 华为技术有限公司 一种柔性显示屏、显示终端
CN111128029B (zh) * 2019-12-31 2021-02-26 武汉华星光电半导体显示技术有限公司 折叠显示面板以及折叠显示装置
CN112786557B (zh) * 2021-01-12 2023-10-31 武汉华星光电半导体显示技术有限公司 柔性显示装置及终端设备
CN113129751A (zh) * 2021-04-12 2021-07-16 京东方科技集团股份有限公司 显示面板、显示组件和电子设备
CN216435327U (zh) * 2021-06-09 2022-05-03 荣耀终端有限公司 显示装置及电子设备

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US20130093660A1 (en) * 2011-10-14 2013-04-18 Alexander Samson Hirsch Method and system to control a process with bend movements
CN105977275A (zh) * 2015-03-10 2016-09-28 三星显示有限公司 柔性显示器
CN205140985U (zh) * 2015-10-22 2016-04-06 信利（惠州）智能显示有限公司 一种柔性amoled显示面板结构
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111427467A (zh) * 2019-01-10 2020-07-17 南昌欧菲光科技有限公司 一种触控模组及柔性触摸显示屏
CN111427467B (zh) * 2019-01-10 2022-05-10 安徽精卓光显技术有限责任公司 一种触控模组及柔性触摸显示屏
CN113261047A (zh) * 2019-01-16 2021-08-13 深圳市柔宇科技股份有限公司 Amoled显示面板及显示器
CN111600979A (zh) * 2020-05-22 2020-08-28 北京小米移动软件有限公司 可弯折显示屏的支撑骨架及可弯折显示屏
CN116193008A (zh) * 2021-11-29 2023-05-30 北京小米移动软件有限公司 显示屏组件和终端设备

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