WO2020062579A1 - Panneau d'affichage et dispositif d'affichage - Google Patents

Panneau d'affichage et dispositif d'affichage Download PDF

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Publication number
WO2020062579A1
WO2020062579A1 PCT/CN2018/119545 CN2018119545W WO2020062579A1 WO 2020062579 A1 WO2020062579 A1 WO 2020062579A1 CN 2018119545 W CN2018119545 W CN 2018119545W WO 2020062579 A1 WO2020062579 A1 WO 2020062579A1
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WO
WIPO (PCT)
Prior art keywords
line
area
metal
lines
display
Prior art date
Application number
PCT/CN2018/119545
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English (en)
Chinese (zh)
Inventor
曹军红
Original Assignee
惠科股份有限公司
重庆惠科金渝光电科技有限公司
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Publication date
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Publication of WO2020062579A1 publication Critical patent/WO2020062579A1/fr

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    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1345—Conductors connecting electrodes to cell terminals
    • G02F1/13452—Conductors connecting driver circuitry and terminals of panels
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/133345—Insulating layers
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1339—Gaskets; Spacers; Sealing of cells

Definitions

  • the present application relates to the field of display technology, and in particular, to a display panel and a display device.
  • liquid crystal displays have many advantages such as thin body, power saving, no radiation, etc., and have been widely used.
  • Most of the liquid crystal displays on the market are backlit liquid crystal displays, which include a liquid crystal panel and a backlight module.
  • the liquid crystal panel includes a color filter substrate (Color Substrate, CF Substrate, also referred to as a color filter substrate) and a thin film transistor array substrate (Thin Film Transistor Substrate, TFT Substrate).
  • TFT Substrate Thin Film Transistor Substrate
  • There are transparent electrodes on the opposite sides of the substrate There are transparent electrodes on the opposite sides of the substrate.
  • a layer of liquid crystal molecules (LC) is sandwiched between the two substrates.
  • the array substrate and the color filter substrate are coated with a uniform alignment film, and then aligned on the alignment film to form a pretilt angle.
  • the liquid crystal molecules are encapsulated inside the display panel by a frame adhesive.
  • the frame of the display panel is getting smaller and smaller.
  • the printing accuracy of the alignment film is getting higher and higher. In this way, after the alignment film printing is completed, the alignment liquid will expand and cause the frame to stick. Not strong.
  • the object of the present application is to provide a display panel and a display device which solve the problem of poor frame adhesiveness.
  • the present application provides a display panel.
  • the display panel includes: a display area, an area to which a display screen belongs, including data lines and scan lines, and the data lines and the scan lines are vertically distributed; a non-display area Is arranged around the display area and includes a plurality of first metal lines, the first metal lines and the data lines or the scan lines are connected one-to-one correspondingly, and the plurality of first metal lines are located on the same layer; A circuit electrically connected to the data line or the scanning line through the first metal line; the driving circuit includes a sub-driving circuit, and each of the sub-driving circuits is connected to an area formed by all the first metal lines Is a fan-out area; a frame adhesive is formed in the non-display area; a first groove is provided between each adjacent two first metal lines in the fan-out area.
  • the present application also discloses a display panel.
  • the display panel includes a display area, an area to which a display screen belongs, including data lines and scan lines, and the data lines and the scan lines are vertically distributed; and a non-display area surrounds the display area.
  • the display area includes a plurality of first metal lines, and the first metal lines are connected to the data lines or the scan lines one by one, and the plurality of first metal lines are located on the same layer;
  • the first metal line is electrically connected to the data line or the scanning line;
  • the driving circuit includes sub-driving circuits, and an area formed by all the first metal lines connected to each of the sub-driving circuits is a fan-out area
  • a frame adhesive is formed in the non-display area; a first groove is provided between each adjacent two first metal lines in the fan-out area;
  • the non-display area includes a plurality of second metal lines, the second metal lines connect the driving circuit and the data line or the scan line, and the second metal lines are staggered with the first metal line
  • the second metal line is disposed in the first trench;
  • the fan-out area includes a third insulating layer and a fourth insulating layer, and the third insulating layer is located on the surface of the first metal line, so The second metal line is located on a surface of the third insulation layer, and the fourth insulation layer is located on a surface of the second insulation line;
  • the first metal line includes a first fold line, the first fold line is perpendicular to a data line or a scan line connected to the corresponding first metal line; the second metal line includes a second fold line, and the second fold line is vertical A data line or a scan line connected to the second metal line; the first fold line corresponds to the second fold line.
  • the present application also discloses a display device including the above display panel.
  • the first groove receiving portion between the first metal wires distributes the alignment liquid, so that the alignment liquid does not flow onto the frame rubber, which causes the adhesiveness of the frame rubber to be weak, thereby improving product quality.
  • FIG. 1 is a schematic diagram of a display panel plane
  • FIG. 2 is a schematic diagram of two trenches according to an embodiment of the present application.
  • FIG. 3 is a schematic diagram of a first trench according to an embodiment of the present application.
  • FIG. 4 is a schematic diagram of a cross section of a first trench according to an embodiment of the present application.
  • FIG. 5 is a schematic diagram of a second trench according to an embodiment of the present application.
  • FIG. 6 is a schematic diagram of a fan-out area containing two metal lines according to an embodiment of the present application.
  • FIG. 7 is a schematic diagram of a cross-section of two types of metal wires in a fan-out area according to an embodiment of the present application.
  • an embodiment of the present application discloses a display panel.
  • the display panel includes: a display area 10, an area to which a display screen belongs, including data lines 11 and scan lines 12, and the data lines 11 and scan lines 12 are vertical Distribution;
  • the non-display area 20 is arranged around the display area 10 and includes a plurality of first metal lines 21, and the first metal lines 21 are connected to the data lines 11 or the scanning lines 12 one by one, and the plurality of first metal lines 21 are located on the same layer ;
  • the drive circuit 27 is electrically connected to the data line 11 or the scan line 12 through the first metal line 21;
  • the drive circuit 27 includes sub-drive circuits 28, and the area formed by all the first metal lines 21 connected to each sub-drive circuit 28 is fan-out Area 30
  • a first trench 23 is provided between each adjacent two first metal lines 21 in the fan-out area 30.
  • the receiving portion of the first groove 23 between the first metal wires 21 distributes the alignment liquid, so that the alignment liquid does not flow onto the frame rubber 22, resulting in inadequate adhesion of the frame rubber 22 .
  • the fan-out area 30 includes a first straight area 31, a second straight area 32, and a slanted area 33.
  • the slanted area 33 is disposed between the first straight area 31 and the second straight area 32.
  • the first straight line area 31 is adjacent to the display area 10, and the second straight line area 32 is adjacent to the driving circuit 27;
  • the non-display area 20 includes a frame rubber 22, which surrounds the display area 10, and the frame rubber 22 is adjacent to the second straight area Corresponding to position 32; the first trench 23 is disposed between each adjacent two first metal lines 21 in the slanted area 33.
  • the area of the oblique line area 33 is larger than the area of the straight line area.
  • the area of the first groove 23 formed is larger, and the alignment liquid is accommodated. Furthermore, if the first groove 23 is disposed in the first straight area 31 or the second straight area 32, the area of the first groove 23 formed is relatively small, and the alignment liquid overflowing from the display area 10 easily fills the first groove 23. The groove 23 thus flows to another position.
  • the oblique line region 33 includes a first insulating layer 34 and a second insulating layer 35.
  • the first insulating layer 34 is disposed on the surface of the first metal wire 21, and the second insulating layer 35 is disposed on the first insulating layer 34.
  • the first trench 23 is disposed inside the second insulating layer 35 and is located between two adjacent two first metal lines 21.
  • Adding a second insulating layer 35 on the basis of the first insulating layer 34 increases the overall height of the fan-out area 30, so that setting the second first trench 23 inside the second insulating layer 35 will not affect the first trench The first metal wire 21 and the display panel portion below the groove 23.
  • the distance between the first groove 23 and the edge of the display area 10 is equal.
  • the alignment liquid flows to the first grooves 23 in each fan-out area 30 in the same time.
  • the alignment liquid contained in each of the first grooves 23 is close to avoid the inconsistency of the alignment liquid contained in the first grooves 23 to cause the alignment liquid to fill the groove. The case where the groove continues to flow toward the frame rubber 22.
  • the display area 10 includes four edges.
  • the non-display area 20 corresponding to three edges has a driving circuit 27, and the non-display area 20 corresponding to the other edge has no driving circuit 27.
  • the edges of the display area 10 correspond to
  • the non-display area 20 includes a blank area 24.
  • the blank area 24 is located between the edge of the non-display area 20 and the frame 22.
  • the blank area 24 is provided with a second groove 25.
  • the alignment liquid flows into the blank area 24 and is blocked by the second groove 25 so that the alignment liquid does not flow onto the frame rubber 22 corresponding to the blank area 24.
  • the second trenches 25 are parallel to the edges of the display area 10 corresponding to the blank area 24; the second trenches 25 are not less than two rows, and each row of the second trenches 25 includes a plurality of adjacent ones. The two rows of the second trenches 25 are staggered.
  • the second groove 25 is parallel to the edge of the display area 10 corresponding to the blank area 24, the overflow direction of the alignment liquid is perpendicular to the second groove 25, so that the utilization ratio of the second groove 25 is higher and more alignment is blocked at the same time Alignment liquid may be partially splashed after flowing to the first row of grooves, so the second groove 25 is set to not less than two rows, so that the alignment liquid is less likely to overflow, and the two adjacent rows are more likely to spill.
  • the two second grooves 25 are staggered, so that when the overflowing alignment liquid hits the second grooves 25 in the first row, a portion of the distribution liquid flows along the gap between the second grooves 25 to the second row, reducing Pressure of the second grooves 25 in the first row.
  • the non-display area 20 includes a plurality of second metal lines 26.
  • the second metal lines 26 are connected to the driving circuit 27 and the data lines 11 or the scan lines 12.
  • the second metal lines 26 and the first metal lines 21 are staggered.
  • the second metal line 26 is disposed in the first trench 23.
  • the second metal wire 26 is set in the first groove 23, so that the second metal wire 26 is higher than the first metal wire 21, and the height of the surface of the fan-out area 30 is increased, so that the alignment liquid cannot easily flow into the fan-out area. 30.
  • the fan-out area 30 includes a third insulating layer 36 and a fourth insulating layer 37.
  • the third insulating layer 36 is located on the surface of the first metal line 21, and the second metal line 26 is located on the surface of the third insulating layer 36.
  • the fourth insulating layer 37 is located on the surface of the second metal line 26.
  • the third insulating layer 36 separates the first metal line 21 and the second metal line 26 to prevent a short circuit between the two metal lines.
  • the fourth insulating layer 37 is located on the surface of the second metal line 26, that is, the surface of the fan-out area 30. The second metal wire 26 can be prevented from being corroded by the liquid crystal and the alignment liquid, and the height of the fan-out area 30 can be increased.
  • the first metal line 21 includes a first fold line 38, and the first fold line 38 is perpendicular to the data line 11 or the scan line 12 connected to the first metal line 21;
  • the second metal line 26 includes a second fold line 39,
  • the second fold line 39 is perpendicular to the data line 11 or the scan line 12 connected to the second metal line 26;
  • the first fold line 38 corresponds to the second fold line 39.
  • the first fold line 38 and the second fold line 39 are perpendicular to the data line 11 or the scan line 12 connected to the corresponding metal lines, so the first fold line 38 and the second fold line 39 are perpendicular to the alignment The flow direction of the liquid. After the alignment liquid hits the first fold line 38 and the second fold line 39, the flow velocity will be slowed down.
  • the first fold line 38 is added to the first metal line 21 and the second fold line 39 is added to the second metal line 26 to make the first A metal wire 21 and a second metal wire 26 are lengthened, thereby increasing the area of the fan-out area 30 and containing more alignment liquid.
  • the first fold line 38 and the second fold line 39 correspond to prevent the first metal line 21 and the second metal. The connection of line 26 caused a short circuit.
  • each first metal line 21 includes a plurality of first fold lines 38
  • each second metal line 26 includes a plurality of second fold lines 39.
  • Increasing the number of fold lines on the metal line can make the area of the fan-out area 30 larger and accommodate more alignment liquid.
  • first fold line 38 and the second fold line 39 are located in the slanted area 33.
  • the oblique line area 33 is located in the first straight line area 31 and the second straight line area 32 of the fan-out area 30.
  • the first polyline 38 and the second polyline 39 are set in the oblique line area 33 without affecting the first metal line 21 and the second
  • the metal line 26 is connected to the driving circuit 27, the data line 11, and the scanning line 12.
  • each first fold line 38 forms a right angle with other parts of the first metal wire 21 connected to it; each second fold line 39 forms a right angle with the other parts of the second metal wire 26 connected to it.
  • the right angle surface is perpendicular to the direction in which the alignment liquid flows, and is more impacted by the alignment liquid, which has the best buffer effect.
  • the first metal line 21 and the second metal line 26 in the oblique line region 33 are of a zigzag type.
  • the first metal wire 21 and the second metal wire 26 in the oblique line region 33 form a undulating terrain difference, and it is more difficult for the alignment liquid to overflow.
  • a display panel As another embodiment of the present application, as shown in FIG. 2 to FIG. 7, a display panel is disclosed.
  • the display panel includes: a display area 10, an area to which a display screen belongs, including data lines 11 and scan lines 12, and data lines 11. It is vertically distributed with the scanning line 12; the non-display area 20 is arranged around the display area 10 and includes a plurality of first metal lines 21, and the first metal lines 21 are connected to the data line 11 or the scanning line 12 one by one, and the plurality of first metals The lines 21 are located on the same layer; the driving circuit 27 is electrically connected to the data line 11 or the scanning line 12 through the first metal line 21; the driving circuit 27 includes sub-driving circuits 28, and all the first metal lines 21 connected to each sub-driving circuit 28 constitute The area is a fan-out area 30; a frame adhesive 22 is formed in the non-display area 20; a first groove 23 is provided between each adjacent two first metal lines 21 in the fan-out area 30.
  • the non-display area 20 includes a plurality of second metal lines 26.
  • the second metal lines 26 are connected to the driving circuit 27 and the data lines 11 or the scan lines 12.
  • the second metal lines 26 and the first metal lines 21 are staggered.
  • the fan-out region 30 includes a third insulating layer 36 and a fourth insulating layer 37.
  • the third insulating layer 36 is located on the surface of the first metal line 21, and the second metal line 26 is located on the third insulating layer. 36, the fourth insulating layer 37 is located on the surface of the second metal line 26.
  • the first metal line 21 and the second metal line 26 in the oblique line region 33 are of a polygonal line type.
  • the receiving portion of the first groove 23 between the first metal wires 21 distributes the alignment liquid, so that the alignment liquid does not flow onto the frame rubber 22, resulting in inadequate adhesion of the frame rubber 22 To improve product quality.
  • a display device As another embodiment of the present application, as shown in FIGS. 2 to 7, a display device is disclosed.
  • the display device includes the display panel described above.
  • the panel of the present application may be a TN panel (full name is Twisted Nematic, that is, a twisted nematic panel), an IPS panel (In-Plane Switching, plane conversion), a VA panel (Multi-domain Vertica Aignment, multi-quadrant vertical alignment technology) , Or other types of panels, applicable.
  • TN panel full name is Twisted Nematic, that is, a twisted nematic panel
  • IPS panel In-Plane Switching, plane conversion
  • VA panel Multi-domain Vertica Aignment, multi-quadrant vertical alignment technology

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

L'invention concerne un panneau d'affichage et un dispositif d'affichage. Le panneau d'affichage comprend une zone d'affichage (10), une zone de non-affichage (20), un matériau d'étanchéité (22), un circuit d'attaque (27) et des zones de sortance (30), la zone de non-affichage (20) comprenant des premiers fils métalliques (21), les premiers fils métalliques (21) étant connectés à des fils de données (11) ou à des fils de balayage (12) dans la zone d'affichage (10), le circuit d'attaque (27) comprenant des sous-circuits d'attaque (28), la zone formée par la connexion des premiers fils métalliques (21) à chaque sous-circuit d'attaque (28) étant une zone de sortance (30), et une première rainure (23) étant disposée entre chacun des premiers fils métalliques adjacents (21) dans chaque zone de sortance (30).
PCT/CN2018/119545 2018-09-30 2018-12-06 Panneau d'affichage et dispositif d'affichage WO2020062579A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201811158781.1A CN109324453A (zh) 2018-09-30 2018-09-30 一种显示面板和显示装置
CN201811158781.1 2018-09-30

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WO2020062579A1 true WO2020062579A1 (fr) 2020-04-02

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CN109633993B (zh) * 2019-01-18 2023-08-25 惠科股份有限公司 一种显示面板和显示装置
CN110045554A (zh) * 2019-04-30 2019-07-23 深圳市华星光电技术有限公司 阵列基板及显示面板
CN110333634B (zh) * 2019-05-29 2022-08-23 重庆惠科金渝光电科技有限公司 阵列基板及显示面板
CN110147018B (zh) * 2019-05-31 2022-01-18 厦门天马微电子有限公司 一种阵列基板、显示面板及阵列基板制作方法
CN112002697B (zh) * 2020-07-27 2022-10-11 重庆惠科金渝光电科技有限公司 源极侧的扇出结构、阵列基板和显示装置
CN113219739B (zh) * 2021-04-20 2022-12-06 绵阳惠科光电科技有限公司 一种显示面板和显示装置

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