CN101126858A - Liquid crystal display - Google Patents
Liquid crystal display Download PDFInfo
- Publication number
- CN101126858A CN101126858A CNA2006100622151A CN200610062215A CN101126858A CN 101126858 A CN101126858 A CN 101126858A CN A2006100622151 A CNA2006100622151 A CN A2006100622151A CN 200610062215 A CN200610062215 A CN 200610062215A CN 101126858 A CN101126858 A CN 101126858A
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- liquid crystal
- crystal panel
- optical waveguide
- light source
- waveguide layer
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Abstract
The utility model relates to a liquid crystal display unit, comprising an upper polarizer, a liquid crystal panel, a lower polarizer and a light source. The upper polarizer, the liquid crystal panel and the lower polarizer are stacked in order. The lower polarizer comprises a polarizing layer and an optical guide layer for protecting and supporting which are stacked in order. The optical guide layer for protecting and supporting comprises a bottom surface opposite to the polarizing layer and an input light surface adjacent to the bottom surface. The light source is arranged on the side of the input light surface of the optical guide layer for protecting and supporting. The optical guide layer for protecting and supporting can convert a point light source or a line source into a surface light source, the light can uniformly irradiate to the liquid crystal panel, therefore a light guide plate is not required, and the thickness of the liquid crystal display unit is reduced.
Description
Technical field
The present invention relates to a kind of liquid crystal indicator.
Background technology
Because the liquid crystal itself in the display panels does not have the characteristics of luminescence, therefore, for reaching display effect, be required to be display panels one planar light source device is provided, as module backlight, its function is planar light source abundant to display panels supply brightness and that be evenly distributed.
Seeing also Fig. 1, is a kind of side view of liquid crystal indicator of prior art.This liquid crystal indicator 1 comprises a liquid crystal display 11 and a module 19 backlight.This module backlight 19 and these liquid crystal display 11 stacked settings, and provide uniform in-plane light for this liquid crystal display 11.
This liquid crystal display 11 comprise stacked setting one on polaroid 12, a liquid crystal panel 13 and polaroid 14 once.Seeing also Fig. 2, is the structural representation of this time polaroid 14.This time polaroid 14 comprises an adhesion layer 141, a upper support protective seam 143, a polarizing layer 145 and a lower support protective seam 147 that is cascading.It is roughly the same with this time polaroid 14 structures to go up polaroid 12.
This module 19 backlight comprises a light source 15, a light guide plate 16 and a reflector plate 17.This light guide plate 16 comprises an incidence surface 161, an exiting surface 162 adjacent with this incidence surface 161 and one and these exiting surface 162 opposed bottom surface 163.This liquid crystal display 11 is provided with over against this exiting surface 162, and these light source 15 adjacent these incidence surfaces 161 are provided with, and these reflector plate 17 adjacent these bottom surfaces 163 are provided with.This bottom surface 163 is provided with a plurality of lattice point structures 160.
The light that sends from this light source 15 enters this light guide plate 16 via this incidence surface 161, after a plurality of lattice point structures 160 reflections of most light through this bottom surface 163, via this this liquid crystal display 11 of exiting surface 162 directives, for this liquid crystal display 11 provides uniform light.Another part light reflects away through this bottom surface 163, utilizes again via this this light guide plate 16 of reflector plate 17 reflected backs again.The light that is penetrated by this module 19 backlight enters this liquid crystal panel 13 via this time polaroid 14, penetrates via polaroid on this 12 again.
Yet these module 19 thickness backlight are bigger, influence the integral thickness of liquid crystal indicator 1, and in the module backlight 19 with the thickness maximum of light guide plate 16.So the integral thickness of this liquid crystal indicator 1 is difficult to change to some extent.
Summary of the invention
In order to solve the bigger problem of the thickness of liquid crystal indicator in the prior art, be necessary to provide a kind of more frivolous liquid crystal indicator.
A kind of liquid crystal indicator, it comprises polaroid on, a liquid crystal panel, once a polaroid and a light source.Should go up polaroid, this liquid crystal panel and this time polaroid stacks gradually.This time polaroid comprises a polarizing layer and overfill protection optical waveguide layer that is cascading.This overfill protection optical waveguide layer and this light source provide area source for this liquid crystal panel.This overfill protection optical waveguide layer comprise one with this polarizing layer opposed bottom surface and one and the adjacent incidence surface in this bottom surface.This light source is arranged at incidence surface one side of this overfill protection optical waveguide layer.
A kind of liquid crystal indicator, it comprises a polaroid, a liquid crystal panel and a light source.This polaroid and the stacked setting of this liquid crystal panel.This liquid crystal panel is a reflection type liquid crystal panel.This polaroid comprises an overfill protection optical waveguide layer, a polarizing layer and a phasic difference plate of stacked setting.This overfill protection optical waveguide layer and this light source provide area source for this liquid crystal panel.This overfill protection optical waveguide layer comprises an end face relative with this polarizing layer and one and the adjacent incidence surface of this end face.This light source is arranged at incidence surface one side of this overfill protection optical waveguide layer.
Compared with prior art, an overfill protection optical waveguide layer of the polaroid of above-mentioned liquid crystal indicator can be converted into area source with pointolite or line source, makes the even directive liquid crystal panel of light, and then omits light guide plate, reduces the thickness of liquid crystal indicator.
Description of drawings
Fig. 1 is a kind of side view of liquid crystal indicator of prior art.
Fig. 2 is the structural representation of the following polaroid of liquid crystal indicator shown in Figure 1.
Fig. 3 is the side view of liquid crystal indicator first embodiment of the present invention.
Fig. 4 is the structural representation of the following polaroid of liquid crystal indicator shown in Figure 3.
Fig. 5 is the side view of liquid crystal indicator second embodiment of the present invention.
Fig. 6 is the structural representation of the polaroid of liquid crystal indicator shown in Figure 5.
Embodiment
Please refer to Fig. 3, is the side view of liquid crystal indicator first embodiment of the present invention.This liquid crystal indicator 2 comprise be cascading one on polaroid 22, a liquid crystal panel 23, once polaroid 24, a reflector plate 27, an and light source 25 that is arranged at this time polaroid 24 1 sides.This light source 25 is light emitting diode or cold-cathode fluorescence lamp.This liquid crystal panel 23 can be penetration liquid crystal panel or semi-penetration semi-reflection type liquid crystal panel.
Seeing also Fig. 4, is the structural representation of this time polaroid 24.This time polaroid 24 comprises an adhesion layer 241, a upper support protective seam 243, a polarizing layer 245, a diffusion layer 246 and the lower support protection optical waveguide layer 247 that is cascading.This lower support protection optical waveguide layer 247 provides uniform surface light source for this liquid crystal panel 23.
This polarizing layer 245 is by being made up of the polyvinyl alcohol film of the polarisation effect of elongation property, the making of this polaroid 24 is that polyvinyl alcohol film is infiltrated in the iodide ion diffusion, firmly extend elongated after the low-grade fever, iodine molecule promptly deflects from force direction on it, through absorbing the light of parallel direction, after only allowing the light of vertical direction pass through, just has the function that non-polarized light is transferred to polarized light.Because polyvinyl alcohol (PVA) is after the process extension; usually engineering properties can reduce; become cracked easily; therefore after polarisation matrix extension film forming; upper and lower both sides can plate one deck usually and have the support protective seam that high light transmission rate, water-tolerant have certain physical strength again; this upper support protective seam 243 is a Triafol T with the material of this lower support protection optical waveguide layer 247, as protecting and prevent the effect of polyvinyl alcohol film retraction.This light source 25 is a light emitting diode, and its thickness is generally 0.35mm.This lower support protection optical waveguide layer 247 is corresponding with these light source 25 thickness, can be 0.35mm or is slightly larger than 0.35mm.Along with science and technology is constantly progressive, the attenuation day by day of the thickness of light source 25, then this lower support is protected the also attenuation thereupon of thickness of optical waveguide layer 247, thereby further reduces the thickness of this liquid crystal indicator 2.
This lower support protection optical waveguide layer 247 comprise contiguous this diffusion layer 246 end face 262, one with the end face 262 vertical incidence surfaces that link to each other 261 and one and these end face 262 opposed bottom surface 263.This bottom surface 263 is provided with a plurality of lattice point structures 260.This light source 25 is provided with corresponding to incidence surface 261 places of this lower support protection optical waveguide layer 247.The size of this lattice point structure 260 and present position can be according to the powers of incident ray, and each factor such as the angle of incident ray is calculated.
The light that sends from this light source 25 enters this lower support protection optical waveguide layer 247 via this incidence surface 261; after a plurality of lattice point structures 260 reflections of most light through this bottom surface 263; this diffusion layer 246 of directive and last each layer thereof; this liquid crystal panel 23 of directive again is for this liquid crystal panel 23 provides uniform light.Another part light reflects away through this bottom surface 263, and the lower support protection optical waveguide layer 247 via these reflector plate 27 this time of reflected back polaroids 24 utilizes again again.
Compared with prior art; this liquid crystal indicator 2 utilizes the lower support protection optical waveguide layer 247 with lattice point structure 260 to substitute previous light guide plate 16; play the effect that pointolite is converted to area source simultaneously, and then omit light guide plate, realize that this liquid crystal indicator 2 is lightening.
The bottom surface 263 of this lower support protection optical waveguide layer 247 is not limited to be provided with lattice point structure 260; parallel inclined groove or other pattern also can be set; as long as this pattern can play greater than the reflection of the light of critical angle, the effect less than the anaclasis of critical angle can be got final product again.
Please refer to Fig. 5, is the side view of liquid crystal indicator second embodiment of the present invention.This liquid crystal indicator 3 comprises the light source 35 of the polaroid 32, a liquid crystal panel 33 and contiguous this polaroid 32 sides setting that are cascading.This light source 35 is light emitting diode or cold cathode fluorescent lamp.This liquid crystal panel 23 is a reflection type liquid crystal panel.
Seeing also Fig. 6, is the structural representation of this polaroid 32.This polaroid 32 comprises upper support protection optical waveguide layer 321, a polarizing layer 322, a lower support protective seam 323 and a phasic difference plate 324 that is cascading.This upper support protection optical waveguide layer 321 provides uniform surface light source for this liquid crystal panel 33, it comprise contiguous these polarizing layer 322 1 sides bottom surface 362, one with vertical continuous incidence surfaces 361 in this bottom surface 362 and an end face 363 relative with this bottom surface 362.This end face 363 is provided with a plurality of parallel inclined grooves 360.This inclined groove 360 can make in this flute surfaces light of directive this upper support protection optical waveguide layer 321 of portions of light reflected back greater than critical angle, is divided into two partly less than the portions of light of critical angle.One portions of light directive utilizes again along in next groove of the travel path of this light; Another partly penetrates this polaroid 32.
The light that sends from this light source 35 enters this upper support protection optical waveguide layer 321 via this incidence surface 361; when light during through a plurality of inclined groove 360 of this end face 363; can be via the reflex of these a plurality of inclined grooves 360; make the light ray bending projection; and via this this polarizing layer 322 of bottom surface 362 directives and following each layer thereof; and this liquid crystal panel 33 of directive, for this liquid crystal panel 33 provides uniform light.
Claims (10)
1. liquid crystal indicator; it comprises polaroid on, a liquid crystal panel, once a polaroid and a light source; should go up polaroid, this liquid crystal panel and this time polaroid stacks gradually; this time polaroid comprises a polarizing layer and overfill protection optical waveguide layer that is cascading; this overfill protection optical waveguide layer and this light source provide area source for this liquid crystal panel; this overfill protection optical waveguide layer comprise one with this polarizing layer opposed bottom surface and one and the adjacent incidence surface in this bottom surface, this light source is arranged at incidence surface one side of this overfill protection optical waveguide layer.
2. liquid crystal indicator as claimed in claim 1 is characterized in that: this bottom surface is provided with reflection graphic patterns.
3. liquid crystal indicator as claimed in claim 2 is characterized in that: this pattern is a lattice point structure.
4. liquid crystal indicator as claimed in claim 2 is characterized in that: this pattern is a plurality of parallel oblique grooves.
5. liquid crystal indicator as claimed in claim 2 is characterized in that: the light that light source sends enters this overfill protection optical waveguide layer from the incidence surface of this overfill protection optical waveguide layer, via the reflection of this reflection graphic patterns, enters this polarizing layer and this liquid crystal panel.
6. liquid crystal indicator as claimed in claim 1 is characterized in that: this liquid crystal panel is the penetration liquid crystal panel.
7. liquid crystal indicator; it comprises a polaroid, a liquid crystal panel and a light source; this polaroid and the stacked setting of this liquid crystal panel; this liquid crystal panel is a reflection type liquid crystal panel; this polaroid comprises an overfill protection optical waveguide layer, a polarizing layer and a phasic difference plate of stacked setting; this overfill protection optical waveguide layer and this light source provide area source for this liquid crystal panel; this overfill protection optical waveguide layer comprises an end face relative with this polarizing layer and one and the adjacent incidence surface of this end face, and this light source is arranged at incidence surface one side of this overfill protection optical waveguide layer.
8. liquid crystal indicator as claimed in claim 7 is characterized in that: this end face is provided with reflection graphic patterns.
9. liquid crystal indicator as claimed in claim 8 is characterized in that: this pattern is a plurality of parallel oblique grooves.
10. liquid crystal indicator as claimed in claim 8; it is characterized in that: the light that light source sends enters this overfill protection optical waveguide layer from the incidence surface of this overfill protection optical waveguide layer; via the reflection of this reflection graphic patterns, enter this polarizing layer, phasic difference plate and this liquid crystal panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100622151A CN101126858A (en) | 2006-08-18 | 2006-08-18 | Liquid crystal display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100622151A CN101126858A (en) | 2006-08-18 | 2006-08-18 | Liquid crystal display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101126858A true CN101126858A (en) | 2008-02-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006100622151A Pending CN101126858A (en) | 2006-08-18 | 2006-08-18 | Liquid crystal display |
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| CN (1) | CN101126858A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105223729A (en) * | 2015-11-03 | 2016-01-06 | 昆山龙腾光电有限公司 | A kind of liquid crystal indicator |
| CN106200125A (en) * | 2016-09-07 | 2016-12-07 | 惠州Tcl移动通信有限公司 | Showing module and configuring the electronic equipment of this display module without backlight module |
| WO2018045524A1 (en) * | 2016-09-08 | 2018-03-15 | 曹梅 | Display device back plate and display device |
| WO2018148993A1 (en) * | 2017-02-17 | 2018-08-23 | 深圳市华星光电技术有限公司 | Lightweight liquid crystal display device, and backlight module and manufacturing method thereof |
| CN108980777A (en) * | 2017-05-31 | 2018-12-11 | 大众汽车有限公司 | Baffle component for vehicle and the vehicle with baffle component |
| CN110750014A (en) * | 2019-12-03 | 2020-02-04 | 上海观池文化传播有限公司 | Novel multilayer transparent screen and control system thereof |
-
2006
- 2006-08-18 CN CNA2006100622151A patent/CN101126858A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105223729A (en) * | 2015-11-03 | 2016-01-06 | 昆山龙腾光电有限公司 | A kind of liquid crystal indicator |
| CN106200125A (en) * | 2016-09-07 | 2016-12-07 | 惠州Tcl移动通信有限公司 | Showing module and configuring the electronic equipment of this display module without backlight module |
| WO2018045524A1 (en) * | 2016-09-08 | 2018-03-15 | 曹梅 | Display device back plate and display device |
| CN108474975A (en) * | 2016-09-08 | 2018-08-31 | 曹梅 | A kind of display apparatus back board and display equipment |
| WO2018148993A1 (en) * | 2017-02-17 | 2018-08-23 | 深圳市华星光电技术有限公司 | Lightweight liquid crystal display device, and backlight module and manufacturing method thereof |
| CN108980777A (en) * | 2017-05-31 | 2018-12-11 | 大众汽车有限公司 | Baffle component for vehicle and the vehicle with baffle component |
| CN110750014A (en) * | 2019-12-03 | 2020-02-04 | 上海观池文化传播有限公司 | Novel multilayer transparent screen and control system thereof |
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