CN102662271A - Display - Google Patents
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- CN102662271A CN102662271A CN2012101545181A CN201210154518A CN102662271A CN 102662271 A CN102662271 A CN 102662271A CN 2012101545181 A CN2012101545181 A CN 2012101545181A CN 201210154518 A CN201210154518 A CN 201210154518A CN 102662271 A CN102662271 A CN 102662271A
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Abstract
The invention discloses a display, which comprises a display panel, a backlight module and a diffusion film. The display panel is provided with a plurality of pixel units. Each pixel unit is provided with an opening. The backlight module is arranged under the display panel. The diffusion film is arranged between the display panel and the backlight module and comprises a diffusion layer. The diffusion layer is provided with a plurality of diffusion particles. The ratio of the size of the opening of each pixel unit to a particle diameter of each diffusion particle is greater than or equal to 2. Due to the display, better visual effect can be achieved when a user watches the display.
Description
Technical field
The invention relates to a kind of display, and particularly relevant for a kind of display with preferable display effect.
Background technology
The progressive rapidly tremendous progress that is indebted to semiconductor subassembly or display device mostly of multimedia society.With regard to display, have that high image quality, space utilization efficient are good, the LCD (liquid crystal display device, LCD device) of low consumpting power, advantageous characteristic such as radiationless becomes the main flow in market gradually.
In general, LCD mainly comprises on a backlight module, the display panels, a polaroid and polaroid once.Backlight module is disposed at the below of display panels, in order to provide display panels required backlight.Polaroid then was disposed at the upper surface and the lower surface of display panels, the directive property of its adjustable lay the grain respectively under last polaroid reached.More particularly, for quality and the specification of taking into account LCD, blooming pieces such as diffusion sheet, diffusion barrier are the important collocation assemblies of backlight module always.With the diffusion sheet is example, and it has functions such as mixed light and light harvesting, so that LCD can have superior display quality.Therefore, the light that light source sent of backlight module is forming the even brightness area source through meeting behind the diffusion sheet, and this area source is adjusted to the light source with suitable directive property by following polaroid again, shows so that display panels to be provided.
Yet; The collocation anastomose property between diffusion sheet and the backlight module is all only considered in the design of LCD on the market at present; Meaning is whether diffusion sheet can make backlight module that uniform surface light source is provided, but does not have the collocation anastomose property of considering between diffusion sheet and the display panels.Therefore, when the collocation between diffusion sheet and the display panel is misfitted, can make LCD produce show the phenomenon of uneven (mura), and then reduce the visual effect of user when viewing and admiring LCD.
Summary of the invention
The object of the invention provides a kind of display, and it has superior display quality, and can let the user have preferable visual effect.
The present invention proposes a kind of display, and it comprises a display panel, a backlight module and a diffusion sheet.Display panel has a plurality of picture elements unit, and wherein each picture element unit has an opening.Backlight module is disposed at the below of display panel.Diffusion sheet is disposed between display panel and the backlight module and comprises a diffusion layer, and wherein diffusion layer has a plurality of diffusion particles, and the ratio of the mean grain size of the size of the opening of each picture element unit and diffusion particle is more than or equal to 2.
In one embodiment of this invention, above-mentioned display more comprises on one polaroid and polaroid once.Last polaroid is disposed on the upper surface of display panel.Following polaroid is disposed on display panel a lower surface with respect to upper surface, and between display panel and diffusion sheet.
In one embodiment of this invention, above-mentioned diffusion sheet more comprises a base material and an antistatic layer.Diffusion layer and antistatic layer are disposed on the relative both side surface of base material.
The present invention also proposes a kind of display, and it comprises polaroid on a display panel, a backlight module, the diffusion sheet,, once polaroid and a plurality of atomization particle.Display panel has a upper surface respect to one another and a lower surface and a plurality of picture elements unit, and wherein each picture element unit has an opening.Backlight module is disposed at the below of display panel.Diffusion sheet is disposed between display panel and the backlight module and comprises a diffusion layer, and wherein diffusion layer has a plurality of diffusion particles.The ratio of the size of the opening of each picture element unit and the mean grain size of diffusion particle is smaller or equal to 3.36.Last polaroid is disposed on the upper surface of display panel.Following polaroid is disposed on the lower surface of display panel, and between display panel and diffusion sheet.Atomization particle is disposed at down on the surface of the contiguous diffusion sheet of polaroid, and in the face of diffusion particle.
In one embodiment of this invention, above-mentioned diffusion sheet more comprises a base material and an antistatic layer.Diffusion layer and antistatic layer are disposed on the relative both side surface of base material.
The present invention more proposes a kind of display, and it comprises polaroid on a display panel, a backlight module, the diffusion sheet,, once polaroid and a plurality of atomization particle.Display panel has a upper surface respect to one another and a lower surface and a plurality of picture elements unit, and wherein each picture element unit has an opening.Backlight module is disposed at the below of display panel.Diffusion sheet is disposed between display panel and the backlight module and comprises a diffusion layer, and wherein diffusion layer has a plurality of diffusion particles.The ratio of the size of the opening of each picture element unit and the mean grain size of diffusion particle is more than or equal to 3.36.Last polaroid is disposed on the upper surface of display panel.Following polaroid is disposed on the lower surface of display panel, and between display panel and diffusion sheet.Atomization particle is disposed on the surface of polaroid away from display panel.
In one embodiment of this invention, above-mentioned diffusion sheet more comprises a base material and an antistatic layer.Diffusion layer and antistatic layer are disposed on the relative both side surface of base material.
The present invention proposes a kind of display in addition, and it comprises a display panel, a backlight module and a plurality of atomization particle.Display panel comprises an active assembly array base plate, a colored optical filtering substrates and a display dielectric layer.Colored optical filtering substrates is disposed at the subtend of active assembly array base plate, and comprises a base material and a plurality of color filter patterns that is disposed on the base material.Display dielectric layer is disposed between active assembly array base plate and the colored optical filtering substrates.Backlight module is disposed at the below of display panel.Atomization particle is disposed in the color filter patterns, and wherein the refractive index of each atomization particle is greater than the refractive index of each color filter patterns.
In one embodiment of this invention, above-mentioned colored optical filtering substrates more comprises a black matrix pattern, and black matrix pattern is disposed on the base material, and black matrix pattern has a plurality of openings, and color filter patterns is arranged in opening.
In one embodiment of this invention, above-mentioned display more comprises on the diffusion sheet, a polaroid and polaroid once.Diffusion sheet is disposed between display panel and the backlight module.Last polaroid is disposed on the upper surface of display panel.Following polaroid is disposed on display panel a lower surface with respect to upper surface, and between display panel and diffusion sheet.
The present invention reintroduces a kind of display, and it comprises a display panel, a backlight module and a plurality of atomization particle.Display panel comprises an active assembly array base plate, a colored optical filtering substrates and display dielectric layer.Colored optical filtering substrates is disposed at the subtend of active assembly array base plate; And comprise a base material, a black matrix pattern and an a plurality of color filter patterns; Wherein black matrix pattern and color filter patterns are disposed on the base material, and black matrix pattern has a plurality of openings, and color filter patterns is arranged in opening.Display dielectric layer is disposed between active assembly array base plate and the colored optical filtering substrates.Backlight module is disposed at the below of display panel.Atomization particle is disposed on the base material of colored optical filtering substrates, and between base material and the black matrix pattern and between base material and the color filter patterns, wherein being distributed in of atomization particle defines a nonreentrant surface or a recessed surface on the base material.
In one embodiment of this invention, the refractive index of each above-mentioned atomization particle is greater than the refractive index of each color filter patterns.
Based on above-mentioned; In the design of display of the present invention; Mainly be the ratio that sees through the mean grain size of these diffusion particles in size and the diffusion layer of opening of each picture element unit of adjustment, make display have good display quality, meaning is to have preferable collocation anastomose property between display panel and the diffusion sheet; And then when the user views and admires display of the present invention, can have preferable visual effect.
For letting the above-mentioned feature and advantage of the present invention can be more obviously understandable, hereinafter is special lifts embodiment, and cooperates appended graphic elaborating as follows.
Description of drawings
Fig. 1 is the diagrammatic cross-section of a kind of display of one embodiment of the invention.
Fig. 2 A is the diagrammatic cross-section of a kind of display of another embodiment of the present invention.
Fig. 2 B is the amplification profile synoptic diagram of the diffusion sheet of Fig. 2 A, following Polarizer and atomization particle.
Fig. 3 A is the diagrammatic cross-section of a kind of display of another embodiment of the present invention.
Fig. 3 B is the amplification profile synoptic diagram of the diffusion sheet of Fig. 3 A, last Polarizer and atomization particle.
Fig. 4 A is the diagrammatic cross-section of a kind of display of another embodiment of the present invention.
Fig. 4 B is the local amplification profile synoptic diagram of the colored optical filtering substrates of Fig. 4 A.
Fig. 5 A is the diagrammatic cross-section of a kind of display of another embodiment of the present invention.
Fig. 5 B is a kind of local amplification profile synoptic diagram of colored optical filtering substrates of the embodiment of Fig. 5 A.
Fig. 5 C is a kind of local amplification profile synoptic diagram of colored optical filtering substrates of another embodiment of Fig. 5 A.
[primary clustering symbol description]
100a, 100b, 100c, 100d, 100e: display
110a, 110d, 110e: display panel
111a: upper surface
111b: lower surface
113a: viewing area
113b: non-display area
115: active assembly array base plate
115a: picture element unit
116: opening
117: the subtend substrate
117 ', 117 ' ': colored optical filtering substrates
117a ', 117a ' ': base material
117b: color filter patterns
117c: black matrix pattern
117d: opening
118a: nonreentrant surface
118b: recessed surface
119: display dielectric layer
120: backlight module
122: light source
124: LGP
130: diffusion sheet
132: substrate
134: diffusion layer
134a: diffusion particle
136: antistatic layer
140a, 140c: go up polaroid
142: the surface
150a, 150b: following polaroid
152: the surface
160b, 160c, 160d, 160e: atomization particle
171,172,173: blooming piece
L, L1, L2: light.
Embodiment
Fig. 1 is the diagrammatic cross-section of a kind of display of one embodiment of the invention.Please refer to Fig. 1, in the present embodiment, display 100a comprises a display panel 110a, a backlight module 120 and a diffusion sheet 130.In detail; Display panel 110a is made up of an active assembly array base plate 115, a subtend substrate 117 and 119 of display dielectric layers; Wherein active assembly array base plate 115 has a viewing area 113a, non-display area 113b and a plurality of picture elements unit 115a around viewing area 113a; And each picture element unit 115a has an opening 116, and this opening 116 is positioned at viewing area 113a.In addition, display panel 110a has a upper surface 111a respect to one another and a lower surface 111b.Subtend substrate 117 for example is a colored optical filtering substrates, and display dielectric layer 119 for example is a liquid crystal layer, but at this not as limit.
In addition, in order to increase the display quality that promotes display 100a, the display 100a of present embodiment can more comprise on one polaroid 140a and polaroid 150a once, increasing the effect that filters, and reduces the generation of cross-talk (crosstalk) phenomenon.Wherein, last polaroid 140a is disposed on the upper surface 111a of display panel 110a, and polaroid 150a is disposed on the lower surface 111b of display panel 110a down, and following Polarizer 150a is between display panel 110a and diffusion sheet 130.Moreover except diffusion sheet 130, the blooming piece 171,172,173 that also can set up other is between display panel 110a and backlight module 120.Generally speaking, blooming piece 171,172,173 can comprise the combination of prismatic lens, light-collecting piece, brightening piece, screening glass or above-mentioned blooming piece, light effect with further optimization.At this, can adjust according to different user demands for the kind and the quantity thereof of blooming piece 171,172,173, it is not limited.
In the design of the display 100a of present embodiment; Except seeing through the distribution that diffusion sheet 130 improves the area source that backlight module 120 provided; So that outside the bright dipping comparatively evenly, also see through the ratio of the mean grain size of these diffusion particles 134a in size and the diffusion layer 134 of opening 116 of each picture element unit 115a of adjustment, for example be more than or equal to 2; Make display 100a integral body have good display quality; Meaning is to have preferable collocation anastomose property between display panel 110a and the diffusion sheet 130, and then when the user views and admires the display 100a of present embodiment, can have preferable visual effect.
Below will utilize four various embodiment to come to explain respectively the design of display 100b, 100c, 100d, 100e.In this mandatory declaration is that following embodiment continues to use the assembly label and the partial content of previous embodiment, wherein adopts identical label to represent identical or approximate assembly, and has omitted the explanation of constructed content.Explanation about clipped can be with reference to previous embodiment, and following embodiment no longer repeats to give unnecessary details.
Fig. 2 A is the diagrammatic cross-section of a kind of display of one embodiment of the invention.Fig. 2 B is the amplification profile synoptic diagram of the diffusion sheet of Fig. 2 A, following Polarizer and atomization particle.Please be simultaneously with reference to figure 2A and Fig. 2 B; The display 100b of present embodiment is similar with the display 100a of Fig. 1; The difference part is: the display 100b of present embodiment more comprises a plurality of atomization particle 160b; Wherein these atomization particles 160b is disposed at down on the surface 152 of the contiguous diffusion sheet 130 of polaroid 150b, and these atomization particles 160b is in the face of these diffusion particles 134a.Particularly, in the present embodiment, the ratio of the mean grain size of the size of the opening 116 of each picture element unit 115a and these diffusion particles 134a is smaller or equal to 3.36.
In the present embodiment; These atomization particles 160b is disposed at down on the surface 152 of polaroid 150b; Therefore the light L that sent of backlight module 120 is when diffusion sheet 130 enters to down polaroid 150b; The light L1 of a part produces reflection and gets back to diffusion sheet 130 because of receiving the influence of these atomization particles 160b, and the light L2 of another part then directly gets among the display panel 110a through following polaroid 150b.Thus, the light that is provided by backlight module 120 can disperse equably, so that display 100b integral body has good display quality.Moreover; Because the ratio of the size of the opening 116 of each picture element unit 115a of present embodiment employing and the mean grain size of these diffusion particles 134a is smaller or equal to 3.36 design; Therefore has preferable collocation anastomose property between the display panel 110a of present embodiment and the diffusion sheet 130; And then when the user views and admires the display 100b of present embodiment, can have preferable visual effect.
Fig. 3 A is the diagrammatic cross-section of a kind of display of another embodiment of the present invention.Fig. 3 B is the amplification profile synoptic diagram of the diffusion sheet of Fig. 3 A, last Polarizer and atomization particle.Please be simultaneously with reference to figure 3A and Fig. 3 B; The display 100c of present embodiment is similar with the display 100a of Fig. 1; The difference part is: the display 100c of present embodiment more comprises a plurality of atomization particle 160c, and wherein these atomization particles 160c is disposed on the surface 142 of polaroid 140c away from display panel 110a.Particularly, in the present embodiment, the ratio of the mean grain size of the size of the opening 116 of each picture element unit 115a and these diffusion particles 134a is more than or equal to 3.36.
In the present embodiment; These atomization particles 160c is disposed on the surface 142 of polaroid 140c; Therefore the light L that sent of backlight module 120 is when diffusion sheet 130 enters to polaroid 140c; Light L receives the influence of these diffusion particles 134a except meeting and produces the diffusional effect; Also can receive the influence of these atomization particles 160c on the Polarizer 140c and on the surface of these atomization particles 160c, produce scattering effect, and have part light L directly to wear to penetrate and get among the display panel 110a.Thus, the light that is provided by backlight module 120 can disperse equably, so that display 100c integral body has good display quality.Moreover; Because the ratio of the size of the opening 116 of each picture element unit 115a of present embodiment employing and the mean grain size of these diffusion particles 134a is more than or equal to 3.36 design; Therefore has preferable collocation anastomose property between the display panel 110a of present embodiment and the diffusion sheet 130; And then when the user views and admires the display 100c of present embodiment, can have preferable visual effect.
Fig. 4 A is the diagrammatic cross-section of a kind of display of another embodiment of the present invention.Fig. 4 B is the local amplification profile synoptic diagram of the colored optical filtering substrates of Fig. 4 A.Please be simultaneously with reference to figure 4A and Fig. 4 B, the display 100d of present embodiment is similar with the display 100a of Fig. 1, and the difference part is: the display 100d of present embodiment has a plurality of atomization particle 160d.In detail; The colored optical filtering substrates 117 ' of present embodiment comprises a base material 117a ', a plurality of color filter patterns 117b and a black matrix pattern 117c; Wherein these color filter patterns 117b and black matrix pattern 117c are disposed on the base material 117a '; And black matrix pattern 117c has a plurality of opening 117d, and these color filter patterns 117b is arranged in these openings 117d.Particularly, these atomization particles 160d is disposed among these color filter patterns 117b, and the refractive index of each atomization particle 160d is greater than the refractive index of each color filter patterns 117b.
In the present embodiment, owing to these atomization particles 160d is disposed among these color filter patterns 117b, and the refractive index of each atomization particle 160d is greater than the refractive index of each color filter patterns 117b.Therefore; The light that is provided when backlight module 120 is during through these color filter patterns 117b; Light can receive the influence of these atomization particles 160d and on the surface of these atomization particles 160d, produce scattering effect, and then can promote the whole display quality of display 100d.Moreover, when the user views and admires the display 100d of present embodiment, also can have preferable visual effect.
Fig. 5 A is the diagrammatic cross-section of a kind of display of another embodiment of the present invention.Fig. 5 B is a kind of local amplification profile synoptic diagram of colored optical filtering substrates of the embodiment of Fig. 5 A.Fig. 5 C is a kind of local amplification profile synoptic diagram of colored optical filtering substrates of another embodiment of Fig. 5 A.Please be simultaneously with reference to figure 5A, Fig. 5 B and 5C, the display 100e of present embodiment is similar with the display 100a of Fig. 1, and the difference part is: the display 100e of present embodiment has a plurality of atomization particle 160e.In detail; The colored optical filtering substrates 117 ' of present embodiment ' comprise that a base material 117a ' ', a plurality of color filter patterns 117b and deceive matrix pattern 117c; Wherein these color filter patterns 117b and black matrix pattern 117c are disposed on the base material 117a ' '; And black matrix pattern 117c has a plurality of opening 117d, and these color filter patterns 117b is arranged in these openings 117d.In this; These atomization particles 160e is disposed on the base material 117a ' '; And be positioned between base material 117a ' ' and black matrix pattern 117c and base material 117a ' ' and these color filter patterns 117b, wherein the refractive index of each atomization particle 160e is greater than the refractive index of each color filter patterns 117b.Particularly, these atomization particles 160e be distributed in define on the base material 117a ' one protrude in base material 117a ' ' nonreentrant surface 118a (or be disposed in the base material 117a ' ' recessed surperficial 118b).
Because these atomization particles 160e is disposed at colored optical filtering substrates 117 ' ' base material 117a ' ' on, and the refractive index of each atomization particle 160e is greater than the refractive index of each color filter patterns 117b.Therefore; The light that is provided when backlight module 120 is through colored optical filtering substrates 117 ' ' base material 117a ' ' time; Light can receive the influence of the nonreentrant surface 118a (or recessed surperficial 118b) that these atomization particles 160e constituted and on the surface of these atomization particles 160e, produce scattering effect, and then can promote the whole display quality of display 100e.Moreover, when the user views and admires the display 100e of present embodiment, also can have preferable visual effect.
In sum; In the design of display of the present invention; Mainly be the ratio and the atomization particle of arranging in pairs or groups that sees through the mean grain size of these diffusion particles in size and the diffusion layer of opening of each picture element unit of adjustment, make display have good display quality, meaning is to have preferable collocation anastomose property between display panel and the diffusion sheet; And then when the user views and admires display of the present invention, can have preferable visual effect.Moreover, set up atomization particle in last polaroid, down in the substrate of color filter patterns or the colored optical filtering substrates of polaroid, colored optical filtering substrates owing to see through, therefore can increase the dispersion effect of light, to improve the display quality of display.
Though the present invention discloses as above with embodiment; Right its is not in order to limit the present invention; Has common knowledge the knowledgeable in the technical field under any; Do not breaking away from the spirit and scope of the present invention, when doing a little change and retouching, so protection scope of the present invention is as the criterion when looking accompanying the claim person of defining.
Claims (5)
1. a display is characterized in that, comprising:
One display panel comprises:
One active assembly array base plate;
One colored optical filtering substrates is disposed at the subtend of this active assembly array base plate, and comprises a base material and a plurality of color filter patterns that is disposed on this base material; And
One display dielectric layer is disposed between this active assembly array base plate and this colored optical filtering substrates;
One backlight module is disposed at the below of this display panel; And
A plurality of atomization particles are disposed in those color filter patterns, wherein respectively the refractive index of this atomization particle greater than the refractive index of this color filter patterns respectively.
2. display as claimed in claim 1 is characterized in that, wherein this colored optical filtering substrates more comprises a black matrix pattern, be disposed on this base material, and should black matrix pattern have a plurality of openings, and those color filter patterns is arranged in those openings.
3. display as claimed in claim 1 is characterized in that, more comprises:
One diffusion sheet is disposed between this display panel and this backlight module;
Polaroid on one is disposed on the upper surface of this display panel; And
Once polaroid is disposed on this display panel a lower surface with respect to this upper surface, and between this display panel and this diffusion sheet.
4. a display is characterized in that, comprising:
One display panel comprises:
One active assembly array base plate;
One colored optical filtering substrates; Be disposed at the subtend of this active assembly array base plate; And comprise a base material, a black matrix pattern and an a plurality of color filter patterns; Wherein be somebody's turn to do black matrix pattern and those color filter patterns and be disposed on this base material, this black matrix pattern has a plurality of openings, and those color filter patterns are arranged in those openings; And
One display dielectric layer is disposed between this active assembly array base plate and this colored optical filtering substrates;
One backlight module is disposed at the below of this display panel; And
A plurality of atomization particles; Be disposed on this base material of this colored optical filtering substrates; And between this base material and this black matrix pattern and between this base material and those color filter patterns, wherein being distributed in of those atomization particles defines a nonreentrant surface or a recessed surface on this base material.
5. display as claimed in claim 4 is characterized in that, wherein respectively the refractive index of this atomization particle greater than the refractive index of this color filter patterns respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101545181A CN102662271A (en) | 2011-06-21 | 2011-06-21 | Display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101545181A CN102662271A (en) | 2011-06-21 | 2011-06-21 | Display |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110167458 Division CN102231021B (en) | 2011-06-21 | 2011-06-21 | Display |
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| CN102662271A true CN102662271A (en) | 2012-09-12 |
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| CN2012101545181A Pending CN102662271A (en) | 2011-06-21 | 2011-06-21 | Display |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108933163A (en) * | 2018-08-17 | 2018-12-04 | 京东方科技集团股份有限公司 | A kind of preparation method of display panel, display device and display panel |
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| US5949506A (en) * | 1998-04-01 | 1999-09-07 | Ois Optical Imaging Systems, Inc. | LCD with diffuser having diffusing particles therein located between polarizers |
| JP2000056125A (en) * | 1998-08-06 | 2000-02-25 | Toshiba Corp | Liquid crystal display device |
| CN1313518A (en) * | 2000-03-14 | 2001-09-19 | 精工爱普生株式会社 | Liquid crystal display device and electronic machine |
| JP2010107867A (en) * | 2008-10-31 | 2010-05-13 | Sanyo Electric Co Ltd | Optical element and optical device using the same |
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2011
- 2011-06-21 CN CN2012101545181A patent/CN102662271A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US5949506A (en) * | 1998-04-01 | 1999-09-07 | Ois Optical Imaging Systems, Inc. | LCD with diffuser having diffusing particles therein located between polarizers |
| JP2000056125A (en) * | 1998-08-06 | 2000-02-25 | Toshiba Corp | Liquid crystal display device |
| CN1313518A (en) * | 2000-03-14 | 2001-09-19 | 精工爱普生株式会社 | Liquid crystal display device and electronic machine |
| JP2010107867A (en) * | 2008-10-31 | 2010-05-13 | Sanyo Electric Co Ltd | Optical element and optical device using the same |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108933163A (en) * | 2018-08-17 | 2018-12-04 | 京东方科技集团股份有限公司 | A kind of preparation method of display panel, display device and display panel |
| CN108933163B (en) * | 2018-08-17 | 2020-11-03 | 京东方科技集团股份有限公司 | Display panel, display device and preparation method of display panel |
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Application publication date: 20120912 |