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CN110596967A - Display panel - Google Patents

Display panel Download PDF

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Publication number
CN110596967A
CN110596967A CN201910792865.9A CN201910792865A CN110596967A CN 110596967 A CN110596967 A CN 110596967A CN 201910792865 A CN201910792865 A CN 201910792865A CN 110596967 A CN110596967 A CN 110596967A
Authority
CN
China
Prior art keywords
pixel electrode
circuit board
display panel
tin oxide
indium tin
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.)
Pending
Application number
CN201910792865.9A
Other languages
Chinese (zh)
Inventor
奚苏萍
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 China Star Optoelectronics Semiconductor Display Technology Co Ltd
Original Assignee
Shenzhen China Star Optoelectronics Semiconductor Display Technology 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 China Star Optoelectronics Semiconductor Display Technology Co Ltd filed Critical Shenzhen China Star Optoelectronics Semiconductor Display Technology Co Ltd
Priority to CN201910792865.9A priority Critical patent/CN110596967A/en
Publication of CN110596967A publication Critical patent/CN110596967A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1343Electrodes
    • G02F1/134309Electrodes characterised by their geometrical arrangement
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1345Conductors connecting electrodes to cell terminals
    • G02F1/13452Conductors connecting driver circuitry and terminals of panels

Landscapes

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

Abstract

The invention discloses a display panel, which comprises an effective display area, a common electrode, a wiring area and a circuit board. The effective display area comprises a virtual pixel electrode and a pixel electrode, the virtual pixel electrode is connected with an indium tin oxide signal line on the common electrode through at least one through hole, the surface of the through hole is plated with an indium tin oxide layer, and the indium tin oxide signal line is connected with a virtual data signal line in the wiring area. The circuit board comprises a driving circuit board and a control circuit board, wherein the control circuit board is electrically connected with the driving circuit board, and the driving circuit board is connected with the wiring area through a virtual data signal line.

Description

Display panel
Technical Field
The present invention relates to a display panel, and more particularly, to a display panel with uniform display.
Background
At present, in order to improve the uniformity of the effective display area of the liquid crystal panel, a dummy pixel electrode is disposed in the effective display area, and the difference between the dummy pixel electrode and the normal pixel electrode is that the dummy pixel electrode is not connected to the tft and is in a floating state, so that when a voltage is applied, the liquid crystal on the dummy pixel electrode is still in a disordered state. In contrast, the normal pixel electrodes have corresponding potentials, so that the liquid crystal on the normal pixel electrodes exhibits a regular deflection state, but the non-uniform deflection of the liquid crystal at the edge of the display area may cause the display non-uniformity at the periphery.
Disclosure of Invention
An embodiment of the invention provides a display panel, which includes an effective display area and a common electrode. The effective display area comprises a virtual pixel electrode and a pixel electrode. The virtual pixel electrode is connected with the indium tin oxide signal line on the common electrode through at least one through hole.
In an embodiment of the invention, the display device further includes a trace region, wherein the ito signal lines are connected to the dummy data signal lines in the trace region.
In an embodiment of the present invention, the electronic device further includes a circuit board, wherein the circuit board includes a driving circuit board and a control circuit board, and the control circuit board is electrically connected to the driving circuit board.
In an embodiment of the invention, the control circuit board controls the potential of the pixel electrode through the data signal line.
In an embodiment of the invention, the driving circuit board is connected to the ito signal lines in the routing area through the dummy data lines and vias.
In an embodiment of the invention, the dummy pixel electrode and the common electrode are at the same potential.
In an embodiment of the invention, the gate line of the dummy pixel electrode is connected to a low potential.
In an embodiment of the invention, the dummy pixel electrode is not connected to the thin film transistor.
In one embodiment of the present invention, the surface of at least one via is plated with an indium tin oxide layer.
Another embodiment of the present invention provides a display device including a display panel. The display panel comprises an effective display area and a common electrode. The effective display area comprises a virtual pixel electrode and a pixel electrode. The virtual pixel electrode is connected with the indium tin oxide signal line on the common electrode through at least one through hole, wherein the surface of at least one through hole is plated with an indium tin oxide layer.
Compared with the prior art, the display panel provided by the invention can enable the effective display area of the display panel to display uniformly.
Drawings
Fig. 1 is a schematic diagram of traces of a display panel according to an embodiment of the invention; and
fig. 2 is a schematic diagram of a display panel according to an embodiment of the invention in which a pixel electrode is connected to an ito signal line on a common electrode through at least one via.
Detailed Description
In order to make the aforementioned and other objects of the invention more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Referring to fig. 1, an embodiment of the invention provides a display panel, which includes an effective display area 10, a common electrode 20, a trace area 30 and a circuit board 40. The circuit board 40 includes a driving circuit board 50 and a control circuit board 60, the control circuit board 60 is electrically connected to the driving circuit board 50, and the driving circuit board 50 is connected to the ito signal line 80 in the routing area 30 through the dummy data signal line 70 and the via 75, the ito signal line 80 is connected to the common electrode 20, and the common electrode 20 is connected to the dummy pixel electrode disposed in the active display area 10 through a via hole with an ito layer plated on the surface. Specifically, the control circuit board 60 controls the potential of the pixel electrode through the data signal line, and the control circuit board 60 is electrically connected to the driving circuit board 50, and the driving circuit board 50 controls the potential of the virtual pixel electrode through the virtual data signal line 70, so that the liquid crystal deflection is consistent with the liquid crystal deflection on the normal pixel electrode, and the phenomenon of uneven display of the peripheral image of the effective display area 10 is reduced.
Referring to fig. 2, the dummy pixel electrode 100 of the display panel according to the embodiment of the invention is connected to the ito signal line 80 on the common electrode 20 through at least one via 90 coated with an ito layer. In detail, the dummy pixel electrode 100 and the common electrode 20 are at the same potential, and the gate line of the dummy pixel electrode 100 is connected to a low potential, and the dummy pixel electrode 100 is not connected to the thin film transistor. To ensure that the dummy pixel electrode does not work normally.
Another embodiment of the invention provides a method for manufacturing a display panel. The manufacturing method of the display panel comprises the step of forming a virtual pixel electrode in an effective display area. And forming at least one through hole between the virtual pixel electrode and the common electrode, wherein the surface of the through hole is plated with an indium tin oxide layer, and the virtual pixel electrode is connected with an indium tin oxide signal line on the common electrode through the through hole. A dummy data signal line connecting the ITO signal line and the trace region. The virtual data signal line is connected with the driving circuit board and the driving circuit board is electrically connected with the control circuit board. Specifically, the control circuit board is electrically connected with the driving circuit board, the driving circuit board is connected with the indium tin oxide signal line through the virtual data signal line and the rotary hole to control the potential of the virtual pixel electrode, the virtual pixel electrode and the common electrode are at the same potential, and the gate line of the virtual pixel is connected with a low potential.
Compared with the conventional liquid crystal display panel, the conventional liquid crystal display panel is provided with the virtual pixel electrode in the effective display area, and the virtual pixel electrode is different from the normal pixel electrode in that the virtual pixel electrode is not connected with the thin film transistor and is in a suspended state, so that when a voltage is applied, liquid crystals on the virtual pixel electrode are still in a disordered arrangement state, the liquid crystals on the virtual pixel electrode and the liquid crystals on the normal pixel electrode cannot deflect uniformly, and uneven display occurs on the periphery of the effective display area. However, the display panel and the manufacturing method of the display panel provided by the embodiment of the invention can make the effective display area of the display panel display uniformly. Specifically, the virtual pixel electrode is connected with the common electrode through a through hole with an indium tin oxide layer plated on the surface, and then is connected with the driving circuit board through a rotary hole in the wiring area, the driving circuit board is electrically connected with the control circuit board, and the control circuit board controls the potential of the virtual pixel electrode and controls the potential of the pixel electrode through a data signal line, so that the liquid crystal on the virtual pixel electrode and the liquid crystal on the normal pixel electrode are deflected uniformly, and therefore the peripheral image display of the effective display area of the display panel is uniform.
While the invention has been described in conjunction with specific embodiments thereof, it is to be understood that many alternatives, modifications, and variations will be apparent to those skilled in the art. Accordingly, it is intended to embrace all such alternatives, modifications, and variations that fall within the scope of the included claims.

Claims (10)

1. A display panel, comprising:
an effective display area including a virtual pixel electrode and a pixel electrode; and
and the virtual pixel electrode is connected with the indium tin oxide signal wire on the common electrode through at least one through hole.
2. The display panel of claim 1, further comprising a trace region, wherein the ITO signal lines are connected to dummy data signal lines in the trace region.
3. The display panel of claim 1, further comprising a circuit board, wherein the circuit board comprises a driving circuit board and a control circuit board, the control circuit board electrically connected to the driving circuit board.
4. The display panel according to claim 3, wherein the control circuit board controls a potential of the pixel electrode through a data signal line.
5. The display panel of claim 3, wherein the driving circuit board is connected to the ITO signal lines in the routing area through dummy data lines and vias.
6. The display panel according to claim 1, wherein the dummy pixel electrode and the common electrode are at the same potential.
7. The display panel according to claim 1, wherein the gate line of the dummy pixel electrode is connected to a low potential.
8. The display panel according to claim 1, wherein the dummy pixel electrode is not connected to a thin film transistor.
9. The display panel of claim 1, wherein a surface of the at least one via is plated with an indium tin oxide layer.
10. A display device, comprising: a display panel, wherein the display panel comprises: an effective display area including a virtual pixel electrode and a pixel electrode; and
and the virtual pixel electrode is connected with the indium tin oxide signal wire on the common electrode through at least one through hole, wherein the surface of the through hole is plated with an indium tin oxide layer.
CN201910792865.9A 2019-08-26 2019-08-26 Display panel Pending CN110596967A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910792865.9A CN110596967A (en) 2019-08-26 2019-08-26 Display panel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910792865.9A CN110596967A (en) 2019-08-26 2019-08-26 Display panel

Publications (1)

Publication Number Publication Date
CN110596967A true CN110596967A (en) 2019-12-20

Family

ID=68855703

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910792865.9A Pending CN110596967A (en) 2019-08-26 2019-08-26 Display panel

Country Status (1)

Country Link
CN (1) CN110596967A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111399293A (en) * 2020-04-09 2020-07-10 深圳市华星光电半导体显示技术有限公司 Liquid crystal display panel and liquid crystal display device
CN111474781A (en) * 2020-04-13 2020-07-31 深圳市华星光电半导体显示技术有限公司 Array substrate and display panel
CN111752022A (en) * 2020-07-14 2020-10-09 武汉华星光电技术有限公司 Display panel and display device
CN112068728A (en) * 2020-08-17 2020-12-11 武汉华星光电技术有限公司 Display device and electronic apparatus

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103018985A (en) * 2012-11-26 2013-04-03 京东方科技集团股份有限公司 Array substrate and display device
CN103761935A (en) * 2014-01-21 2014-04-30 深圳市华星光电技术有限公司 Display panel
CN107577099A (en) * 2017-09-28 2018-01-12 武汉华星光电技术有限公司 Array base palte, liquid crystal display panel and liquid crystal display device
CN108121119A (en) * 2016-11-29 2018-06-05 乐金显示有限公司 Liquid crystal display

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103018985A (en) * 2012-11-26 2013-04-03 京东方科技集团股份有限公司 Array substrate and display device
CN103761935A (en) * 2014-01-21 2014-04-30 深圳市华星光电技术有限公司 Display panel
CN108121119A (en) * 2016-11-29 2018-06-05 乐金显示有限公司 Liquid crystal display
CN107577099A (en) * 2017-09-28 2018-01-12 武汉华星光电技术有限公司 Array base palte, liquid crystal display panel and liquid crystal display device

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111399293A (en) * 2020-04-09 2020-07-10 深圳市华星光电半导体显示技术有限公司 Liquid crystal display panel and liquid crystal display device
US11982912B2 (en) 2020-04-09 2024-05-14 Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd. Liquid crystal display panel and liquid crystal display device
CN111474781A (en) * 2020-04-13 2020-07-31 深圳市华星光电半导体显示技术有限公司 Array substrate and display panel
CN111474781B (en) * 2020-04-13 2022-04-08 深圳市华星光电半导体显示技术有限公司 Array substrate and display panel
CN111752022A (en) * 2020-07-14 2020-10-09 武汉华星光电技术有限公司 Display panel and display device
CN111752022B (en) * 2020-07-14 2022-06-07 武汉华星光电技术有限公司 Display panel and display device
CN112068728A (en) * 2020-08-17 2020-12-11 武汉华星光电技术有限公司 Display device and electronic apparatus
CN112068728B (en) * 2020-08-17 2022-04-26 武汉华星光电技术有限公司 Display device and electronic apparatus

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Application publication date: 20191220

RJ01 Rejection of invention patent application after publication