CN102778780B - Display panel and display device - Google Patents

Display panel and display device Download PDF

Info

Publication number
CN102778780B
CN102778780B CN201210260777.2A CN201210260777A CN102778780B CN 102778780 B CN102778780 B CN 102778780B CN 201210260777 A CN201210260777 A CN 201210260777A CN 102778780 B CN102778780 B CN 102778780B
Authority
CN
China
Prior art keywords
display panel
guiding part
prism film
electrode
oriented light
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.)
Expired - Fee Related
Application number
CN201210260777.2A
Other languages
Chinese (zh)
Other versions
CN102778780A (en
Inventor
马晓峰
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.)
BOE Technology Group Co Ltd
Original Assignee
BOE Technology Group 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 BOE Technology Group Co Ltd filed Critical BOE Technology Group Co Ltd
Priority to CN201210260777.2A priority Critical patent/CN102778780B/en
Publication of CN102778780A publication Critical patent/CN102778780A/en
Priority to PCT/CN2012/087192 priority patent/WO2014015634A1/en
Application granted granted Critical
Publication of CN102778780B publication Critical patent/CN102778780B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
    • G02F1/1362—Active matrix addressed cells
    • G02F1/136209—Light shielding layers, e.g. black matrix, incorporated in the active matrix substrate, e.g. structurally associated with the switching element
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/04—Prisms
    • G02B5/045—Prism arrays
    • 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
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0018—Redirecting means on the surface of the light guide
    • 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
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
    • G02F1/133607—Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Liquid Crystal (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Optical Elements Other Than Lenses (AREA)

Abstract

The invention discloses a display panel and a display device and relates to the technical field of liquid crystal displays. The display panel comprises a color film substrate and an array substrate which are arranged oppositely, wherein the inner side of the array substrate is provided with a metal layer and a pixel electrode; the outer side of the array substrate is provided with a prism film which changes the propagation direction of the light vertically emitted towards the metal layer into the propagation direction of the light bypassing the metal layer and then being emitted from the pixel electrode. With the adoption of the display panel and the display device, the transmissivity of the array substrate is increased without increasing the brightness and the power consumption of a backlight source, in this way, the transmissivity and the brightness of the display panel and the display device are increased, the qualities of the display panel and the display device are improved, and the display panel and the display device are more environment friendly.

Description

Display panel and display device
Technical field
The present invention relates to technical field of liquid crystal display, particularly relate to a kind of display panel and display device.
Background technology
Liquid crystal display is as a kind of important flat pannel display mode, and there have been development at full speed nearly more than ten years, and it has the advantages such as light, thin, low energy consumption, is widely used in the modernization information equipments such as TV, computing machine, mobile phone, digital camera.The basic structure of liquid crystal display is followed successively by: backlight part (light source, light guide plate, various diffusion barrier, prism film, brightness enhancement film etc.), lower polaroid, array base palte, liquid crystal layer (comprising liquid crystal guide layer), color membrane substrates and upper polaroid (and compensate film etc.).The light transmission that backlight sends is entered by lower polaroid, by after each layer from the outgoing again of upper polaroid, the brightness of the light of now outgoing be only equivalent to incident light 7 ~ 8% or lower.Wherein, because the lighttight metal level (comprising grid line, data line, gate electrode and source-drain electrode etc.) on array base palte limit, the transmitance of array base palte is greatly about less than 60%.If improve transmitance from liquid crystal panel and brightness by improving backlight power consumption and brightness, and then improve the quality of liquid crystal display, then add the cost of equipment undoubtedly.
Summary of the invention
(1) technical matters that will solve
The technical problem to be solved in the present invention is: providing a kind of under the prerequisite of the power consumption and brightness that do not increase backlight, can improve display panel and the display device of transmitance and brightness.
(2) technical scheme
For solving the problem, the invention provides a kind of display panel, comprise the color membrane substrates and array base palte that are oppositely arranged, metal level and pixel electrode is formed in the inner side of described array base palte, have prism film in the arranged outside of described array base palte, vertical sand shooting is changed into the direction of propagation of the light of described metal level and is walked around after described metal level from described pixel electrode outgoing by described prism film.
Preferably, described metal level comprises at least one in grid line, data line, public electrode wire, gate electrode, source electrode and drain electrode.
Preferably, described prism film comprises multiple oriented light-guiding part, and the isosceles trapezoid of the section of described oriented light-guiding part respectively in two arranged adjacent, distance between two summits adjacent on two upper bases of described two isosceles trapezoids of each described oriented light-guiding part and corresponding every bar grid line, every bar data line, every bar public electrode wire, each gate electrode, the width of each source electrode or each drain electrode is identical, and the space between described two summits is positioned at corresponding grid line, data line, public electrode wire, gate electrode, immediately below source electrode or drain electrode, described isosceles trapezoid meets sin γ >=1/n, wherein, γ is the waist of described isosceles trapezoid and the angle between going to the bottom, n is the refractive index of described prism film.
Preferably, described prism film comprises multiple oriented light-guiding part, and the section of described oriented light-guiding part parallelogram respectively; The length on the base of described parallelogram is identical with the width of corresponding every bar grid line, every bar data line, each public electrode wire, each gate electrode, each source electrode or each drain electrode, and described parallelogram is positioned at immediately below corresponding grid line, data line, public electrode wire, gate electrode, source electrode or drain electrode away from a base of described substrate, described parallelogram meets sin δ >=1/n, δ is the acute angle between the hypotenuse of described parallelogram and base, and n is the refractive index of described prism film.
Preferably, described prism film also comprises film bottom part, and described multiple oriented light-guiding part is formed in described film bottom part.
Preferably, described film bottom part and described multiple oriented light-guiding part one-body molded.
Preferably, the outside of described array base palte is also provided with polaroid, and described film bottom part or described oriented light-guiding part are bonded in below described polaroid by liquid glue.
Preferably, described prism film is polyethylene terephthalate, polycarbonate, polyetheretherketone, polystyrene, high density polyethylene, Low Density Polyethylene, random polypropylene or tygon tetrafluoroethene.
Present invention also offers a kind of display device, comprise above-mentioned display panel.
(3) beneficial effect
Display panel of the present invention and display device, under the prerequisite of the brightness and power consumption that do not increase backlight, improve the transmitance of array base palte, and then improve transmitance and the brightness of display panel and display device, improve its quality and more green, environmental protection.
Accompanying drawing explanation
Fig. 1 is the cut-open view of the array base palte of display panel according to one embodiment of the present invention;
Fig. 2 is the cut-open view of the array base palte of the display panel of embodiment 1;
Fig. 3 is the index path of the array base palte of the display panel of Fig. 2;
Fig. 4 is the cut-open view of a kind of embodiment of the array base palte of the display panel of embodiment 2;
Fig. 5 is the cut-open view of the another kind of embodiment of the array base palte of the display panel of embodiment 2.
Embodiment
The present invention propose display panel and display device, by reference to the accompanying drawings and embodiment be described in detail as follows.
Display panel of the present invention comprises the color membrane substrates and array base palte that are oppositely arranged, as shown in Figure 1, array base palte comprises substrate 1 and polaroid 2, polaroid 2 is arranged on the incidence surface (lateral surface towards backlight) of substrate 1, the inner side of substrate 1 (with this lateral surface back to side) on be formed with metal level 3 and pixel region 4, pixel region 4 is photic zone, this metal level 3 comprises the grid line that the light towards its incidence can be reflected back, data line, public electrode wire, gate electrode, at least one in source electrode and drain electrode, metal level 3 is the main factors of the transmitance reducing array base palte, in order to improve transmitance and the brightness of array base palte, display panel of the present invention arranges prism film 5 in the outside of array base palte below polaroid 2, vertical sand shooting can be changed into the direction of propagation of the light (arrow shown in) of this metal level 3 and walk around after this metal level 3 structure from pixel region 4 outgoing by this prism film 5, thus improve the transmitance of array base palte, and then under the prerequisite of the brightness and power consumption that do not increase backlight, improve the transmitance and the brightness that comprise display panel and display device, improve its quality and more green, environmental protection.
Structure of the present invention is further illustrated below by specific embodiment.
Embodiment 1
As shown in Figure 2, in the display panel of this enforcement, prism film comprises film bottom part 5-1 and multiple oriented light-guiding part 5-2, film bottom part 5-1 is the membrane structure of one deck prism film material, the plurality of oriented light-guiding part 5-2 is formed on film bottom part 5-1, film bottom part 5-1 or oriented light-guiding part 5-2 is bonded in the below (illustrate only film bottom part 5-1 to be bonded in the below of polaroid 2 version by liquid glue in figure) of polaroid 2 by liquid glue, and in order to realize each oriented light-guiding part 5-2 to the object of the change of light path, need accurately to realize the contraposition with under type: oriented light-guiding part 5-2 lays respectively at every bar grid line, every bar data line, every bar public electrode wire, each gate electrode, the below of each source electrode or each drain electrode, and the isosceles trapezoid of the section of each oriented light-guiding part 5-2 respectively in two arranged adjacent, distance s between two summits adjacent on two upper bases of two isosceles trapezoids of each oriented light-guiding part 5-2 and corresponding grid line, data line, public electrode wire, gate electrode, the width h of source electrode or drain electrode is identical, and the space between two summits is positioned at corresponding grid line, data line, public electrode wire, gate electrode, immediately below source electrode or drain electrode.(α is incident angle as shown in Figure 3, β is reflection angle), light path through the light of the prism film 5 of such structure and alignment mode is respectively: light a incident through prism film 5 directly by the upper base outgoing of oriented light-guiding part 5-1, can without the direct outgoing of refraction in the scope of the upper base of isosceles trapezoid, and then through array base palte; Through when running into the waist of oriented light-guiding part 5-2 after light b entrance prism film 5 and reflexing to upper base outgoing.Total reflection is reached in order to make light, incident angle α is greater than the critical angle θ c equaling prism film 5, the waist of isosceles trapezoid and the angle γ between going to the bottom because sin θ is c=1/n, from figure, easily draw α=γ, so should meet, sin γ >=sin θ c=1/n, n is the refractive index of prism film 5 material, thus makes, and vertical incidence is changed to the direction of propagation of the light of metal level 3, and after changing can from pixel region 4 through, and then improve the transmitance of array base palte.
The material require of this prism film 5 possesses high permeability, workability and thermomechanical stability etc., the fluoropolymer resin meeting above-mentioned requirements can adopt, corresponding polymeric material, refractive index and critical angle as: (refractive index is 1.58 to polyethylene terephtalate, critical angle is 39.3 °), (refractive index is 1.58 to polycarbonate, critical angle is 39.3 °), polyetheretherketone PEEK(refractive index is 1.68, critical angle is 36.5 °), polystyrene PS(refractive index is 1.59, critical angle is 39 °), (refractive index is 1.54 to high density polyethylene, critical angle is 40.5 °), (refractive index is 1.51 to Low Density Polyethylene, critical angle is 41.5 °), random polypropylene PP(refractive index is 1.47, critical angle is 42.9 °), tygon tetrafluoroethene ETFE(refractive index is 1.36, critical angle is 47.3 °) etc. material.
Embodiment 2
As shown in Figure 4 and Figure 5, in the display panel of this enforcement, prism film comprises film bottom part 5-1 and multiple oriented light-guiding part 5-2, film bottom part 5-1 is the membrane structure of one deck prism film material, the plurality of oriented light-guiding part 5-2 is formed on film bottom part 5-1, film bottom part 5-1 or oriented light-guiding part 5-2 is bonded in the below (illustrate only film bottom part 5-1 to be bonded in the below of polaroid 2 version by liquid glue in figure) of polaroid 2 by liquid glue, and in order to realize each oriented light-guiding part 5-2 to the object of the change of light path, need accurately to realize the contraposition with under type: oriented light-guiding part 5-2 lays respectively at every bar grid line, every bar data line, every bar public electrode wire, each gate electrode, the below of each source electrode or each drain electrode, and section parallelogram respectively, length l and the corresponding grid line on the base of parallelogram, data line, public electrode wire, gate electrode, the width h of source electrode or drain electrode is identical, and parallelogram is positioned at corresponding grid line away from a base of substrate 1, data line, public electrode wire, gate electrode, immediately below source electrode or drain electrode, parallelogram meets sin α=1/n, α is the acute angle between the hypotenuse of described parallelogram and base, n is the refractive index of described prism film.As illustrated in figures 4-5, after light c incidence, without the oriented light-guiding part 5-2 of parallelogram, directly by polaroid 2, incide array base palte pixel region 4; After light d entrance prism film 5, when running into the hypotenuse part of oriented light-guiding part 5-2, there is the upper base outgoing be totally reflected to for twice; Parallelogram is incided through film bottom part 1, from the outgoing of upper base after unirefringence after light e incidence.In order to make light reach total reflection, the hypotenuse of parallelogram and the acute angle δ on base are greater than and equal critical angle θ c, because sin θ is c=1/n, so δ meets, sin δ >=sin θ c=1/n, n is the refractive index of prism film 5 material.
The material require of this prism film 5 possesses high permeability, workability and thermomechanical stability etc., the fluoropolymer resin meeting above-mentioned requirements can adopt, corresponding polymeric material, refractive index and critical angle as: (refractive index is 1.58 to polyethylene terephtalate, critical angle is 39.3 °), (refractive index is 1.58 to polycarbonate, critical angle is 39.3 °), polyetheretherketone PEEK(refractive index is 1.68, critical angle is 36.5 °), polystyrene PS(refractive index is 1.59, critical angle is 39 °), (refractive index is 1.54 to high density polyethylene, critical angle is 40.5 °), (refractive index is 1.51 to Low Density Polyethylene, critical angle is 41.5 °), random polypropylene PP(refractive index is 1.47, critical angle is 42.9 °), tygon tetrafluoroethene ETFE(refractive index is 1.36, critical angle is 47.3 °) etc. material.
It should be noted that, on the array base palte of same display panel, the shape of the oriented light-guiding part 5-2 of prism film 5 and material can identical also can be different, its figure also to can be in embodiment 1 and embodiment 2 any one, can as required or technique conveniently arrange; When light guide 5-2 and film bottom part 5-1 adopts same material, can light guide 5-2 and film bottom part 5-1 be carried out one-body molded.
In addition, present invention also offers a kind of display device comprising above-mentioned display panel, this display device can be any one TN, PVA, MVA, FFS or IPS type liquid crystal indicators such as liquid crystal panel, liquid crystal display, LCD TV.
Above embodiment is only for illustration of the present invention; and be not limitation of the present invention; the those of ordinary skill of relevant technical field; without departing from the spirit and scope of the present invention; can also make a variety of changes and modification; therefore all equivalent technical schemes also belong to category of the present invention, and scope of patent protection of the present invention should be defined by the claims.

Claims (7)

1. a display panel, comprise the color membrane substrates and array base palte that are oppositely arranged, metal level and pixel electrode is formed in the inner side of described array base palte, it is characterized in that, have prism film in the arranged outside of described array base palte, vertical sand shooting is changed into the direction of propagation of the light of described metal level and is walked around after described metal level from described pixel electrode outgoing by described prism film;
Described prism film comprises film bottom part and multiple oriented light-guiding part, is divided into the membrane structure of prism film material described in one deck bottom described film, and multiple oriented light-guiding part is formed in film bottom part, described film bottom part and described multiple oriented light-guiding part one-body molded.
2. display panel as claimed in claim 1, it is characterized in that, described metal level comprises at least one in grid line, data line, public electrode wire, gate electrode, source electrode and drain electrode.
3. display panel as claimed in claim 2, it is characterized in that, described prism film comprises multiple oriented light-guiding part, and the isosceles trapezoid of the section of described oriented light-guiding part respectively in two arranged adjacent;
Distance between two summits adjacent on two upper bases of described two isosceles trapezoids of each described oriented light-guiding part is identical with the width of corresponding every bar grid line, every bar data line, every bar public electrode wire, each gate electrode, each source electrode or each drain electrode, and the space between described two summits is positioned at immediately below corresponding grid line, data line, public electrode wire, gate electrode, source electrode or drain electrode;
Described isosceles trapezoid meets sin γ >=1/n, and wherein, γ is the waist of described isosceles trapezoid and the angle between going to the bottom, and n is the refractive index of described prism film.
4. display panel as claimed in claim 2, it is characterized in that, described prism film comprises multiple oriented light-guiding part, and the section of described oriented light-guiding part parallelogram respectively;
The length on the base of described parallelogram is identical with the width of corresponding every bar grid line, every bar data line, every bar public electrode wire, each gate electrode, each source electrode or each drain electrode, and described parallelogram is positioned at immediately below corresponding grid line, data line, public electrode wire, gate electrode, source electrode or drain electrode away from a base of described substrate;
Described parallelogram meets sin δ >=1/n, and δ is the acute angle between the hypotenuse of described parallelogram and base, and n is the refractive index of described prism film.
5. display panel as claimed in claim 1, it is characterized in that, the outside of described array base palte is also provided with polaroid; Described film bottom part or described oriented light-guiding part are bonded in below described polaroid by liquid glue.
6. display panel as claimed in claim 1, it is characterized in that, described prism film is polyethylene terephthalate, polycarbonate, polyetheretherketone, polystyrene, high density polyethylene, Low Density Polyethylene, random polypropylene or tygon tetrafluoroethene.
7. a display device, is characterized in that, comprises the display panel described in any one of claim 1-6.
CN201210260777.2A 2012-07-25 2012-07-25 Display panel and display device Expired - Fee Related CN102778780B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201210260777.2A CN102778780B (en) 2012-07-25 2012-07-25 Display panel and display device
PCT/CN2012/087192 WO2014015634A1 (en) 2012-07-25 2012-12-21 Display panel and display device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210260777.2A CN102778780B (en) 2012-07-25 2012-07-25 Display panel and display device

Publications (2)

Publication Number Publication Date
CN102778780A CN102778780A (en) 2012-11-14
CN102778780B true CN102778780B (en) 2015-06-10

Family

ID=47123725

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201210260777.2A Expired - Fee Related CN102778780B (en) 2012-07-25 2012-07-25 Display panel and display device

Country Status (2)

Country Link
CN (1) CN102778780B (en)
WO (1) WO2014015634A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI510841B (en) * 2013-07-23 2015-12-01 Au Optronics Corp Display device
CN104570469B (en) * 2015-02-16 2018-02-27 京东方科技集团股份有限公司 A kind of display device and its driving method
CN106019687B (en) * 2016-07-12 2019-08-13 京东方科技集团股份有限公司 A kind of display panel and display device
CN108333832B (en) * 2018-03-05 2022-02-01 京东方科技集团股份有限公司 Color film substrate, liquid crystal display panel and display device

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1169182A (en) * 1995-01-23 1997-12-31 联合讯号公司 Light directing optical structure
JP2001105435A (en) * 1999-10-07 2001-04-17 Toshiba Corp Method and apparatus for producing optical element, and projector
JP2005070632A (en) * 2003-08-27 2005-03-17 Seiko Epson Corp Spatial optical modulator, and projector
CN1818769A (en) * 2005-02-07 2006-08-16 精工爱普生株式会社 Spatial light modulator and image display device
CN1841093A (en) * 2005-03-29 2006-10-04 精碟科技股份有限公司 Prism plate and manufacturing method thereof
JP2010117574A (en) * 2008-11-13 2010-05-27 Dainippon Printing Co Ltd Light control sheet, video display device using light control sheet and method of manufacturing light control sheet

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10133203A (en) * 1996-11-01 1998-05-22 Matsushita Electric Ind Co Ltd Liquid crystal display element and liquid crystal projector provided with liquid crystal display element
JP3972857B2 (en) * 2003-04-25 2007-09-05 ソニー株式会社 Liquid crystal display
JP4552947B2 (en) * 2006-02-06 2010-09-29 セイコーエプソン株式会社 Condensing substrate, electro-optical device, substrate for electro-optical device, projector, and electronic apparatus
JP2009150977A (en) * 2007-12-19 2009-07-09 Toshiba Matsushita Display Technology Co Ltd Display element and display device
JP2010266553A (en) * 2009-05-13 2010-11-25 Hitachi Displays Ltd Liquid crystal display device, and manufacturing method therefor

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1169182A (en) * 1995-01-23 1997-12-31 联合讯号公司 Light directing optical structure
JP2001105435A (en) * 1999-10-07 2001-04-17 Toshiba Corp Method and apparatus for producing optical element, and projector
JP2005070632A (en) * 2003-08-27 2005-03-17 Seiko Epson Corp Spatial optical modulator, and projector
CN1818769A (en) * 2005-02-07 2006-08-16 精工爱普生株式会社 Spatial light modulator and image display device
CN1841093A (en) * 2005-03-29 2006-10-04 精碟科技股份有限公司 Prism plate and manufacturing method thereof
JP2010117574A (en) * 2008-11-13 2010-05-27 Dainippon Printing Co Ltd Light control sheet, video display device using light control sheet and method of manufacturing light control sheet

Also Published As

Publication number Publication date
WO2014015634A1 (en) 2014-01-30
CN102778780A (en) 2012-11-14

Similar Documents

Publication Publication Date Title
US9933648B2 (en) Wide viewing film and wide viewing TFT-LCD having the same
KR20170021421A (en) Optical film and display device comprising the same
CN202196197U (en) Irregularly-shaped light guide plate, backlight module and liquid crystal display device
CN101680637B (en) Lighting device and liquid crystal display
US20140146566A1 (en) Backlight Module
US20150124198A1 (en) Light-condensing sheet, backlight and liquid crystal display
CN102778780B (en) Display panel and display device
CN102662275A (en) Liquid crystal display module and liquid crystal display device
CN103676259A (en) Liquid crystal display device
TW202030536A (en) Liquid crystal display device
CN105090826B (en) Backlight module and display device
CN103235440A (en) Display panel and display device
US20170059764A1 (en) Light guide plate, backlight unit and display device
US8613541B2 (en) Light guide plate and backlight module including same
US9720273B2 (en) Display device having functional panel
CN106772762A (en) Backlight module
KR102614059B1 (en) Backlight unit, fabrication method thereof, and display device including the same
KR102525646B1 (en) Display apparatus
CN204945418U (en) A kind of low-cost durable composite bright enhancement film
CN106526969A (en) Backlight module and display device using same
KR102632484B1 (en) Backlight unit, fabrication method thereof, and display device including the same
KR20200047837A (en) Backlight unit and display device including the same
CN103675964A (en) Optical film and display device comprising same
CN101634772B (en) Color light filter base plate, liquid crystal display panel using same and liquid crystal display device thereof
KR102494158B1 (en) Display device

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150610

CF01 Termination of patent right due to non-payment of annual fee