CN112505972A - Liquid crystal display device - Google Patents

Liquid crystal display device Download PDF

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Publication number
CN112505972A
CN112505972A CN202011407119.2A CN202011407119A CN112505972A CN 112505972 A CN112505972 A CN 112505972A CN 202011407119 A CN202011407119 A CN 202011407119A CN 112505972 A CN112505972 A CN 112505972A
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CN
China
Prior art keywords
pixel electrode
liquid crystal
crystal display
display device
pixel
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
CN202011407119.2A
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Chinese (zh)
Inventor
许家诚
孙光兰
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.)
Nanjing CEC Panda LCD Technology Co Ltd
Original Assignee
Nanjing CEC Panda LCD 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 Nanjing CEC Panda LCD Technology Co Ltd filed Critical Nanjing CEC Panda LCD Technology Co Ltd
Priority to CN202011407119.2A priority Critical patent/CN112505972A/en
Publication of CN112505972A publication Critical patent/CN112505972A/en
Pending legal-status Critical Current

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    • 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

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Liquid Crystal (AREA)
  • Geometry (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)

Abstract

The invention provides a liquid crystal display device, which comprises a plurality of grid scanning lines extending along a first direction, a plurality of data lines extending along a second direction, and pixel regions formed by the grid scanning lines and the data lines in a crossed manner; the pixel region is internally provided with a strip-shaped pixel electrode with a slit, the pixel electrode comprises a first pixel electrode and a second pixel electrode, and the included angle between the first pixel electrode and the first direction is larger than the included angle between the second pixel electrode and the first direction. According to the invention, the pixel electrodes are arranged into the first pixel electrode and the second pixel electrode, and the included angle between the first pixel electrode and the first direction is larger than that between the second pixel electrode and the first direction, so that the problem of transmittance reduction caused by the design of accelerating the response speed is solved.

Description

Liquid crystal display device
Technical Field
The invention relates to the technical field of displays, in particular to a liquid crystal display device.
Background
The liquid crystal display device is one of the most widely used flat panel display devices, and among them, the FFS (Fringe field switching) liquid crystal display device is popular with users due to its characteristics of wide viewing angle, high aperture ratio, and the like. In general, the FFS pixel design adjusts the angle of the pixel electrode slit in order to increase the response speed, and since the change of the angle of the pixel electrode slit affects the transmittance, the driving voltage, and other characteristics, optimizing the angle of the pixel electrode slit can increase the response time, but may cause other disadvantages, such as: the transmittance decreases and the driving voltage increases.
Disclosure of Invention
The invention provides a liquid crystal display device, aiming at improving the transmittance of the liquid crystal display device.
The invention provides a liquid crystal display device, which comprises a plurality of grid scanning lines extending along a first direction, a plurality of data lines extending along a second direction, and pixel regions formed by the grid scanning lines and the data lines in a crossed manner; the pixel region is internally provided with a strip-shaped pixel electrode with a slit, the pixel electrode comprises a first pixel electrode and a second pixel electrode, and the included angle between the first pixel electrode and the first direction is larger than the included angle between the second pixel electrode and the first direction.
Further, the ratio of the length of the first pixel electrode to the length of the second pixel electrode is 1% to 10%.
Further, the pixel electrode is a single domain or a double domain.
Further, the pixel electrode is made of indium tin oxide.
The liquid crystal display panel further comprises an array substrate, a color film substrate and a liquid crystal layer, wherein the array substrate and the color film substrate are arranged oppositely, and the liquid crystal layer is clamped between the array substrate and the color film substrate.
According to the invention, the pixel electrodes are arranged into the first pixel electrode and the second pixel electrode, and the included angle between the first pixel electrode and the first direction is larger than that between the second pixel electrode and the first direction, so that the problem of transmittance reduction caused by the design of accelerating the response speed is solved.
Drawings
FIG. 1 is a schematic diagram of a dual-domain pixel electrode structure according to the present invention;
fig. 2 is a schematic view of a single-domain pixel electrode structure according to the present invention.
Detailed Description
The present invention is further illustrated by the following figures and specific examples, which are to be understood as illustrative only and not as limiting the scope of the invention, which is to be given the full breadth of the appended claims and any and all equivalent modifications thereof which may occur to those skilled in the art upon reading the present specification.
The invention provides a liquid crystal display device, as shown in fig. 1 and fig. 2, comprising a plurality of gate scanning lines 10 extending along a first direction, a plurality of data lines 20 extending along a second direction, wherein the gate scanning lines 10 and the data lines 20 are intersected to form a pixel region; the pixel region is internally provided with a strip-shaped pixel electrode with a slit, the pixel electrode comprises a first pixel electrode 31 and a second pixel electrode 32, and an included angle alpha between the first pixel electrode 31 and the first direction is larger than an included angle beta between the second pixel electrode 32 and the first direction.
The ratio of the length of the first pixel electrode 31 to the length of the second pixel electrode 32 can be adjusted at will, the larger the ratio is, the more the transmittance is increased, the ratio can be adjusted as required, and the ratio of the length of the first pixel electrode 31 to the length of the second pixel electrode 32 is 1% to 10%.
The pixel electrode is a single domain or a double domain.
The pixel electrode is made of Indium Tin Oxide (ITO).
The liquid crystal display device also comprises an array substrate, a color film substrate and a liquid crystal layer sandwiched between the array substrate and the color film substrate, wherein the array substrate and the color film substrate are oppositely arranged.
According to the invention, the pixel electrodes are arranged into the first pixel electrode and the second pixel electrode, and the included angle between the first pixel electrode and the first direction is larger than that between the second pixel electrode and the first direction, so that the problem of transmittance reduction caused by the design of accelerating the response speed is solved.

Claims (5)

1. A liquid crystal display device comprises a plurality of grid scanning lines extending along a first direction, a plurality of data lines extending along a second direction, and pixel regions formed by the intersection of the grid scanning lines and the data lines; the pixel region is internally provided with a strip-shaped pixel electrode with a slit, and the pixel region is characterized in that: the pixel electrode comprises a first pixel electrode and a second pixel electrode, and an included angle between the first pixel electrode and the first direction is larger than that between the second pixel electrode and the first direction.
2. The liquid crystal display device according to claim 1, wherein: the ratio of the length of the first pixel electrode to the length of the second pixel electrode is 1-10%.
3. The liquid crystal display device according to claim 2, wherein: the pixel electrode is a single domain or a double domain.
4. The liquid crystal display device according to claim 3, wherein: the pixel electrode is made of indium tin oxide.
5. The liquid crystal display device according to claim 4, wherein: the liquid crystal display panel further comprises an array substrate, a color film substrate and a liquid crystal layer, wherein the array substrate and the color film substrate are arranged oppositely, and the liquid crystal layer is clamped between the array substrate and the color film substrate.
CN202011407119.2A 2020-12-04 2020-12-04 Liquid crystal display device Pending CN112505972A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011407119.2A CN112505972A (en) 2020-12-04 2020-12-04 Liquid crystal display device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011407119.2A CN112505972A (en) 2020-12-04 2020-12-04 Liquid crystal display device

Publications (1)

Publication Number Publication Date
CN112505972A true CN112505972A (en) 2021-03-16

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011407119.2A Pending CN112505972A (en) 2020-12-04 2020-12-04 Liquid crystal display device

Country Status (1)

Country Link
CN (1) CN112505972A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113050319A (en) * 2021-04-02 2021-06-29 厦门天马微电子有限公司 Display panel and display device
CN115561937A (en) * 2022-09-29 2023-01-03 京东方科技集团股份有限公司 Array substrate, display panel and display device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104483788A (en) * 2014-10-10 2015-04-01 上海中航光电子有限公司 Pixel structure and manufacturing method thereof, array substrate, display panel and display device
CN105739194A (en) * 2012-07-02 2016-07-06 群康科技(深圳)有限公司 Image display system
CN107817922A (en) * 2015-12-07 2018-03-20 上海天马微电子有限公司 Display panel
TWM578395U (en) * 2019-01-14 2019-05-21 凌巨科技股份有限公司 Pixel structure of display panel
CN112147819A (en) * 2020-09-22 2020-12-29 南京中电熊猫液晶显示科技有限公司 Liquid crystal display panel

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105739194A (en) * 2012-07-02 2016-07-06 群康科技(深圳)有限公司 Image display system
CN104483788A (en) * 2014-10-10 2015-04-01 上海中航光电子有限公司 Pixel structure and manufacturing method thereof, array substrate, display panel and display device
CN107817922A (en) * 2015-12-07 2018-03-20 上海天马微电子有限公司 Display panel
TWM578395U (en) * 2019-01-14 2019-05-21 凌巨科技股份有限公司 Pixel structure of display panel
CN112147819A (en) * 2020-09-22 2020-12-29 南京中电熊猫液晶显示科技有限公司 Liquid crystal display panel

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113050319A (en) * 2021-04-02 2021-06-29 厦门天马微电子有限公司 Display panel and display device
CN113050319B (en) * 2021-04-02 2022-07-19 厦门天马微电子有限公司 Display panel and display device
CN115561937A (en) * 2022-09-29 2023-01-03 京东方科技集团股份有限公司 Array substrate, display panel and display device
CN115561937B (en) * 2022-09-29 2024-09-03 京东方科技集团股份有限公司 Array substrate, display panel and display device

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Application publication date: 20210316