CN104460097A - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
- Publication number
- CN104460097A CN104460097A CN201310430803.6A CN201310430803A CN104460097A CN 104460097 A CN104460097 A CN 104460097A CN 201310430803 A CN201310430803 A CN 201310430803A CN 104460097 A CN104460097 A CN 104460097A
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- CN
- China
- Prior art keywords
- light
- display panel
- dividing device
- white light
- grating
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
-
- 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
- G02F1/133504—Diffusing, scattering, diffracting elements
-
- 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
- G02F1/133526—Lenses, e.g. microlenses or Fresnel lenses
-
- 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
- G02F1/133553—Reflecting elements
Abstract
The invention discloses a display panel and a display device. The display panel comprises an upper polaroid, a colored-film substrate, an array substrate and a lower polaroid, and further comprises a light splitting device located on the lower face of the colored-film substrate. Optical decomposition is carried out on incident white light through the light splitting device, colorful light obtained through decomposition is projected into optical filters in corresponding colors in the colored-film substrate according to the wavelength. By means of the display panel and the display device, the light use ratio can be improved, and then the color saturation can be improved.
Description
Technical field
The present invention relates to display technique, particularly relate to a kind of display panel and display device.
Background technology
Usually, thin film transistor (TFT) (Thin Film Transistor, TFT) LCD, as shown in Figure 1, comprise successively from top to bottom: liquid crystal panel 1 and backlight 2, described liquid crystal panel comprises polaroid 10, color film (Color Filter, CF) substrate 11, array base palte 12, lower polaroid 13 from top to bottom successively.CF on CF substrate 11 is formed from a resin, and described CF comprises red optical filter, green optical filter and blue optical filter, and as shown in Figure 2, the white light being respectively used to be sent by backlight is filtered into ruddiness, green glow and blue light.Each optical filter is a pixel, and an adjacent Red lightscreening plate, a green color filter and a blue color filter form a pixel cell.
The white light that backlight 2 sends changes polarized white light into through the lower polaroid 13 of liquid crystal panel 1, polarized white light is by the control of array base palte 12, RGB (Red Green Blue is changed into by CF substrate 11, RGB) three primary colors, RGB three primary colors, again through the polarization of upper polarizer 10, namely can realize the display of color and brightness.
All contain 380nm ~ 780nm visible wavelength composition in every bar white light that backlight 2 sends, after CF, only have the wave band light consistent with optical filter each in CF can through CF, the wave band of other parts be then sponged by CF, causes the reduction of light utilization efficiency.As shown in Figure 3, only have the ruddiness corresponding with red optical filter can by red optical filter in white light, its all band except red band have all been sponged by red optical filter.
At present, usually adopt the mode reducing pixel to improve the resolution of TFT-LCD, but due to the light transmission rate of the liquid crystal panel of prior art very low, the minimizing of pixel, reduce further light utilization efficiency, causes the sharply decline of color saturation.
Summary of the invention
In view of this, fundamental purpose of the present invention is to provide a kind of display panel and display device, can improve light utilization efficiency, and then improves color saturation.
For achieving the above object, technical scheme of the present invention is achieved in that
The invention provides a kind of display panel, comprise polaroid, color membrane substrates, array base palte, lower polaroid,
Described display panel also comprises: be positioned at the light-dividing device below described color membrane substrates, and the white light injected is carried out optical resolution by described light-dividing device, and colorama decomposition obtained projects the optical filter of corresponding color in color membrane substrates respectively according to wavelength.
Preferably, described light-dividing device is between array base palte and lower polaroid.
Preferably, described light-dividing device is covered on the lower surface of lower polaroid.
Preferably, described light-dividing device from white light be injected into colorama injection direction comprise successively: the first incident grating, collimating mirror, prism, object lens and outgoing grating.
Preferably, the white light light incident side surface of described first incident grating is provided with the first reflectance coating.
Preferably, described light-dividing device from white light be injected into colorama injection direction comprise successively: the second incident grating, the first lens.
Preferably, the white light light incident side surface of described second incident grating is provided with the second reflectance coating.
Preferably, described light-dividing device from white light be injected into colorama injection direction comprise successively: blazed grating, the second lens.
The invention provides a kind of display device, described display device comprises: backlight and any one display panel above-mentioned.
As from the foregoing, display panel provided by the invention comprises: upper polaroid, CF substrate, array base palte, lower polaroid, also light-dividing device is comprised below described CF substrate, the white light injected is carried out optical resolution by described light-dividing device, and colorama decomposition obtained projects the optical filter of corresponding color in CF substrate respectively according to wavelength.Thus, the present invention can reduce visible ray and be sponged by CF, thus improves the efficiency of light energy utilization, and then improves color saturation.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing TFT-LCD;
Fig. 2 is the structural representation of existing CF;
Fig. 3 is the principle schematic that red optical filter filters;
Fig. 4 is the structural representation of display panel of the present invention;
Fig. 5 is the structural representation of display panel of the present invention;
Fig. 6 is the principle schematic of display panel of the present invention;
Fig. 7 is the structural representation of the first embodiment of the light-dividing device of display panel of the present invention;
Fig. 8 is the structural representation of the second embodiment of the light-dividing device of display panel of the present invention;
Fig. 9 is the structural representation of the 3rd embodiment of the light-dividing device of display panel of the present invention.
Description of reference numerals:
1--liquid crystal panel; 2--backlight; The upper polaroid of 10--; 11--CF substrate; 12--array base palte; Polaroid under 13--; 14--light-dividing device; The incident grating of 140A--first; 141A--collimating mirror; 142A--prism; 143A--object lens; 144A--outgoing grating; 145A--first reflectance coating; The incident grating of 140B--second; 141B--first lens; 142B--second reflectance coating; 140C--blazed grating; 141C – second lens.
Embodiment
A kind of display panel provided by the invention, comprise polaroid 10, CF substrate 11, array base palte 12, lower polaroid 13, described display panel also comprises: be positioned at the light-dividing device 14 below described CF substrate 11, the white light injected is carried out optical resolution by described light-dividing device 14, and colorama decomposition obtained projects the optical filter of corresponding color in CF substrate 11 respectively according to wavelength.Shown in Figure 4, the colorama of short wavelength corresponds to blue optical filter, and the colorama of medium wavelength corresponds to green optical filter, and the colorama of long wavelength corresponds to red optical filter.Such as, the colorama of 380nm to 480nm wavelength corresponds to blue optical filter, and the colorama of 480nm to 580nm wavelength corresponds to green optical filter, and the colorama of 580nm to 780nm wavelength corresponds to red optical filter.
As shown in Figure 5, described light-dividing device 14 can between array base palte 12 and lower polaroid 13.As shown in Figure 6, described light-dividing device 14 can also be covered on the lower surface of lower polaroid 13.
Shown in Figure 7, described light-dividing device 14 is injected into colorama injection direction along white light and comprises successively: the first incident grating 140A, collimating mirror 141A, prism 142A, object lens 143A and outgoing grating 144A.Collimating mirror 141A is injected by the light of the first incident grating 140A, described collimating mirror 141A carries out collimation process to the light injected, light after the process of prism 142A collimation carries out dispersion, white light is resolved into the spectrum line of various wave band, spectrum line is converged to outgoing grating 144A by object lens 143A, the colored light that outgoing grating 144A penetrates arrives CF substrate, thus the high-purity light source providing display to need for the CF in CF substrate.Thus, the present invention can reduce visible ray and be sponged by CF, thus improves the efficiency of light energy utilization, and then improves color saturation.
The white light light incident side surface of described first incident grating 140A is provided with the first reflectance coating 145A.Unnecessary white light reflection is returned backlight by described first reflectance coating 145A, and the white light in back into backlight source through again entering the first incident grating 140A toward interflection, thus avoids the waste of light source, improves the utilization factor of light source.
Shown in Figure 8, described light-dividing device 14 is injected into colorama injection direction along white light and comprises successively: the second incident grating 140B, the first lens 141B.Inject the first lens 141B by the light of the second incident grating 140B, the colorama penetrated from the first lens 141B forms diffraction fringe at CF substrate 11, is the high-purity light source that the CF in CF substrate 11 provides display to need.Thus, the present invention can reduce visible ray and be sponged by CF, thus improves the efficiency of light energy utilization, and then improves color saturation.
The white light light incident side surface of described second incident grating 140B is provided with the second reflectance coating 142B.Unnecessary white light reflection is returned backlight by described second reflectance coating 142B, and the white light in back into backlight source through again entering the second incident grating 140B toward interflection, thus avoids the waste of light source, improves the utilization factor of light source.
Shown in Figure 9, described light-dividing device 14 is injected into colorama injection direction along white light and comprises successively: blazed grating 140C, the second lens 141C.Inject the second lens 141C by the light of blazed grating 140C, the colorama penetrated from the second lens 141C forms diffraction fringe at CF substrate 11, is the high-purity light source that the CF in CF substrate provides display to need.Thus, the present invention can reduce visible ray and be sponged by CF, thus improves the efficiency of light energy utilization, and then improves color saturation.
In actual applications, above-mentioned display panel can be the panel of liquid crystal panel or other kinds.
Present invention also offers a kind of display device, described display device comprises: backlight and above-mentioned display panel, described backlight and the laminating of above-mentioned display panel, and carries out assembling formation display device, and described backlight can send white light.
Here, described display device can be the display of liquid crystal display (Liquid Crystal Displays, LCD) or other kinds.
The above, be only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention.
Claims (9)
1. a display panel, comprises polaroid, color membrane substrates, array base palte, lower polaroid, it is characterized in that,
Described display panel also comprises: be positioned at the light-dividing device below described color membrane substrates, and the white light injected is carried out optical resolution by described light-dividing device, and colorama decomposition obtained projects the optical filter of corresponding color in color membrane substrates respectively according to wavelength.
2. display panel according to claim 1, is characterized in that, described light-dividing device is between array base palte and lower polaroid.
3. display panel according to claim 1, is characterized in that, described light-dividing device is covered on the lower surface of lower polaroid.
4. the display panel according to any one of claims 1 to 3, is characterized in that, described light-dividing device is injected into colorama injection direction from white light and comprises successively: the first incident grating, collimating mirror, prism, object lens and outgoing grating.
5. display panel according to claim 4, is characterized in that, the white light light incident side surface of described first incident grating is provided with the first reflectance coating.
6. the display panel according to any one of claims 1 to 3, is characterized in that, described light-dividing device is injected into colorama injection direction from white light and comprises successively: the second incident grating, the first lens.
7. display panel according to claim 6, is characterized in that, the white light light incident side surface of described second incident grating is provided with the second reflectance coating.
8. the display panel according to any one of claims 1 to 3, is characterized in that, described light-dividing device is injected into colorama injection direction from white light and comprises successively: blazed grating, the second lens.
9. a display device, is characterized in that, described display device comprises: backlight and the display panel described in any one of claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310430803.6A CN104460097A (en) | 2013-09-18 | 2013-09-18 | Display panel and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310430803.6A CN104460097A (en) | 2013-09-18 | 2013-09-18 | Display panel and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104460097A true CN104460097A (en) | 2015-03-25 |
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ID=52906396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310430803.6A Pending CN104460097A (en) | 2013-09-18 | 2013-09-18 | Display panel and display device |
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| Country | Link |
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| CN (1) | CN104460097A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105954923A (en) * | 2016-07-15 | 2016-09-21 | 京东方科技集团股份有限公司 | Display substrate, making method of display substrate, display panel and display device |
| CN105974647A (en) * | 2016-07-18 | 2016-09-28 | 京东方科技集团股份有限公司 | Display panel and manufacturing method thereof and display device |
| CN107664869A (en) * | 2017-11-10 | 2018-02-06 | 范永浩 | Save liquid crystal display |
-
2013
- 2013-09-18 CN CN201310430803.6A patent/CN104460097A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105954923A (en) * | 2016-07-15 | 2016-09-21 | 京东方科技集团股份有限公司 | Display substrate, making method of display substrate, display panel and display device |
| CN105954923B (en) * | 2016-07-15 | 2019-07-23 | 京东方科技集团股份有限公司 | Display base plate and preparation method thereof, display panel and display device |
| CN105974647A (en) * | 2016-07-18 | 2016-09-28 | 京东方科技集团股份有限公司 | Display panel and manufacturing method thereof and display device |
| CN107664869A (en) * | 2017-11-10 | 2018-02-06 | 范永浩 | Save liquid crystal display |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150325 |
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| RJ01 | Rejection of invention patent application after publication |