CN100395609C - Liquid crystal display device - Google Patents
Liquid crystal display device Download PDFInfo
- Publication number
- CN100395609C CN100395609C CNB2003101122756A CN200310112275A CN100395609C CN 100395609 C CN100395609 C CN 100395609C CN B2003101122756 A CNB2003101122756 A CN B2003101122756A CN 200310112275 A CN200310112275 A CN 200310112275A CN 100395609 C CN100395609 C CN 100395609C
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- liquid crystal
- light
- crystal panel
- tortuous
- crystal indicator
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- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The present invention discloses a liquid crystal display device which comprises a liquid crystal panel and a backlight module, wherein the backlight module is positioned at the lower part of the liquid crystal panel; the liquid crystal panel is provided with a pixel array with rank arrangement; a light screen is arranged above the liquid crystal panel, and a light tortuous element is arranged above the light screen; the light tortuous element comprises trapezoid tortuous surfaces and parallel surfaces which are longitudinally parallel to the trapezoid tortuous surfaces and are alternately distributed; the trapezoid tortuous surfaces are transversely formed by small trapezoid blocks with different inclination pitch according to the pixel size; the odd trapezoid blocks and the even trapezoid blocks cause the emitted light of the liquid crystal panel to respectively focus on two points. The light screen comprises transparent regions and light shading regions which are longitudinally parallel to the transparent regions and are alternately distributed, the transparent regions and the light shading regions respectively correspond to a row of pixel array, and the light tortuous element can longitudinally move.
Description
[technical field]
The invention relates to a kind of liquid crystal indicator.
[background technology]
Liquid crystal indicator (Liquid Crystal Display, LCD) with it than conventional cathode ray tube (Cathode Ray Tube, CRT) the not available advantage of display technique, as: in light weight, power consumption is low, effective area is big etc., and then obtain broad development and application.Existing liquid crystal indicator mostly is two dimension and shows, and can not realize the 3-D display effect.
Seeing also Fig. 1, is the liquid crystal indicator of the 555th, No. 017 disclosed a kind of prior art of the novel patent announcement of TaiWan, China, and this liquid crystal indicator 10 comprises a panel housing 13, a liquid crystal panel 12 and a backlight module 11.This liquid crystal panel 12 is arranged on below this panel housing 13, and can be by hollow viewing area 131 show images of this housing 13; This backlight module 11 is arranged on below this liquid crystal panel 12, and a plurality of light sources 112 and that it comprises a diffuser plate 113, be positioned at these diffuser plate 113 belows are positioned at the reflecting plate 111 of these a plurality of light sources 112 belows.This backlight module 11 is as light source in this structure, make on the liquid crystal panel 12 image as seen, the shortcoming of this liquid crystal indicator 10 is that it can only realize that two dimension shows, can't realize the 3-D display effect.
[summary of the invention]
Can't realize the defective of 3-D display effect for overcoming liquid crystal indicator in the prior art, the invention provides a kind of liquid crystal indicator that two dimension, three-dimensional conversion show that carries out.
The technical scheme of technical solution problem of the present invention is: a kind of liquid crystal indicator is provided, it comprises that a liquid crystal panel and is positioned at the backlight module of this liquid crystal panel below, this liquid crystal panel has the pel array that ranks are arranged, this liquid crystal panel top is provided with a shadow shield, this shadow shield top is provided with the tortuous element of a light, wherein, the tortuous element of this light comprises that trapezoidal zig zag plane partly reaches the alternatively distributed parallel surface part of parallel longitudinal with it, this trapezoidal zig zag plane part laterally is made up of the little trapezoid block of different degree of tilt according to pixel size, very, the light that the even number trapezoid block sends liquid crystal panel focuses on 2 points respectively, this shadow shield comprises that photic zone reaches the alternatively distributed shading region of parallel longitudinal with it, each corresponding one-row pixels array of photic zone and shading region, the tortuous element of this light can be along the longitudinal movement.
Compare prior art, the invention has the beneficial effects as follows: set up the tortuous element of a shadow shield and a light between liquid crystal indicator liquid crystal panel and panel housing, this liquid crystal indicator of the cooperation of two assemblies can be realized the function that two dimension, three-dimensional conversion show whereby.
[description of drawings]
Fig. 1 is a kind of three-dimensional exploded view of prior art liquid crystal indicator.
Fig. 2 is the three-dimensional exploded view of liquid crystal indicator first embodiment of the present invention.
Fig. 3 is that liquid crystal indicator of the present invention is realized the three-dimensional imaging schematic diagram.
Fig. 4 is the three-dimensional exploded view of liquid crystal indicator second embodiment of the present invention.
[embodiment]
Seeing also Fig. 2, is the three-dimensional exploded view of liquid crystal indicator first embodiment of the present invention.This liquid crystal indicator 20 comprises that liquid crystal panel 22 and that shadow shield 23, that the tortuous element 24, of light that a panel housing 25, is positioned at these panel housing 25 belows is positioned at the tortuous element of this light 24 belows is positioned at these shadow shield 23 belows is positioned at the backlight module 21 of these liquid crystal panel 22 belows; Wherein, the tortuous element 24 of this light is alternately distributed with parallel surface part 242 vertical (X axis) by transparency carrier 243 and position trapezoidal zig zag plane part 241 thereon to be formed, this light zig zag plane part 241 by the different trapezoid block in a plurality of angles of inclination 2411 laterally (Y-axis to) arrange and form, this parallel surface part 242 protrudes in transparency carrier 243 surfaces, also can be contour with transparency carrier 243 surfaces; The tortuous element of this light 24 is made by transparent plastic material, and it can move along the vertical light transmission district.This shadow shield 23 is alternately distributed by photic zone 231 and shading region 232 parallel longitudinals to be formed, photic zone 231 and shading region 232 corresponding each one-row pixels array, and the photic zone 231 of this shadow shield is less than shading region 232.This backlight module 21 is a straight-down negative, and it light source 212 and one that comprises that a diffuser plate 213, one group are positioned at these diffuser plate 213 belows is positioned at the reflecting plate 211 of these group light source 212 belows, and this light source 212 can be the CCFL light source.
Please consulting Fig. 3 together, is that liquid crystal indicator of the present invention is realized the three-dimensional imaging schematic diagram.The present invention utilizes the structural design of refraction principle and refraction assembly to reach the purpose of tortuous light, promptly continuous distribution has the different trapezoid block in angle of inclination 2411 on the trapezoidal zig zag plane part 241 of the tortuous element 24 of above-mentioned light, each little trapezoid block 2411 is corresponding with a pixel, the angle of inclination of this trapezoid block 2411 is according to its material refractive index design, reach strange, even pixel 221,222 image throws respectively and converges to the effect that A point and B are ordered, when observer's left eye 31, when right eye 32 lays respectively at A point and B point, the image of odd pixel 221 is projected to left eye 31, the image of even pixel 322 is projected to right eye 32, left eye 31 is seen the image that Deep Canvas is different with right eye 32, thereby realization three-dimensional imaging, i.e. 3-D display effect; When the tortuous element 24 of above-mentioned light moves along the vertical light transmission district, when making the photic zone 231 of its parallel surface part 242 corresponding shadow shields 23, the zig zag plane part 241 of the tortuous element 24 of light is corresponding with the shading region 232 of shadow shield, light sees through parallel surface part 242 and injects observer's eyes, this moment, each pixel image all can be injected observer's left eye 31 and right eye 32 simultaneously, promptly do not produce 3-D effect, and realize two-dimentional display effect.
Seeing also Fig. 4, is the three-dimensional exploded view of liquid crystal indicator second embodiment of the present invention.This liquid crystal indicator 40 comprises that liquid crystal panel 42 and that shadow shield 43, that the tortuous element 44, of light that a panel housing 45, is positioned at these panel housing 45 belows is positioned at tortuous first 44 belows of this light is positioned at these shadow shield 43 belows is positioned at the backlight module 41 of these liquid crystal panel 42 belows; Wherein, the tortuous element 44 of this light is alternately distributed with parallel surface part 442 vertical (X axis) by transparency carrier 443 and position trapezoidal zig zag plane part 441 thereon to be formed, this light zig zag plane part 441 by the different trapezoid block in a plurality of angles of inclination 4411 laterally (Y-axis to) arrange and form, this parallel surface part 442 protrudes in transparency carrier 443 surfaces, also can be contour with transparency carrier 443 surfaces; The tortuous element of this light 44 is made by transparent plastic material, and it can be along the longitudinal movement.This shadow shield 43 is alternately distributed by photic zone 431 and shading region 432 parallel longitudinals to be formed, photic zone 431 and shading region 432 each corresponding one-row pixels array, and the photic zone 431 of this shadow shield is less than shading region 432.This backlight module 41 comprises that a diffuser plate 414, is positioned at this ground, diffuser plate below light guide plate 412, at least one reflecting plate 411 that is positioned at the pointolite 413 of these light guide plate 412 incidence surfaces (not indicating) side and is positioned at these light guide plate 412 belows, and this pointolite 413 can be led light source.
Claims (6)
1. liquid crystal indicator, it comprises that a liquid crystal panel and is positioned at the backlight module of this liquid crystal panel below, this liquid crystal panel has the pel array that ranks are arranged, it is characterized in that: this liquid crystal panel top is provided with a shadow shield, this shadow shield top is provided with the tortuous element of a light, wherein, the tortuous element of this light comprises that trapezoidal zig zag plane partly reaches the alternatively distributed parallel surface part of parallel longitudinal with it, this trapezoidal zig zag plane part laterally is made up of the little trapezoid block of different degree of tilt according to pixel size, very, the light that the even number trapezoid block sends liquid crystal panel focuses on 2 points respectively, this shadow shield comprises that photic zone reaches the alternatively distributed shading region of parallel longitudinal with it, each corresponding one-row pixels array of photic zone and shading region, the tortuous element of this light can be along the longitudinal movement.
2. liquid crystal indicator as claimed in claim 1 is characterized in that: the photic zone of this shadow shield is less than shading region.
3. liquid crystal indicator as claimed in claim 1 is characterized in that: the tortuous element of this light is made by transparent plastic material.
4. liquid crystal indicator as claimed in claim 1 is characterized in that: comprise that further one is positioned at the panel housing of the tortuous element of this light top.
5. liquid crystal indicator as claimed in claim 1 is characterized in that: this backlight module comprises a diffuser plate, is positioned at the CCFL light source and a reflecting plate of this diffuser plate below.
6. liquid crystal indicator as claimed in claim 1 is characterized in that: this backlight module comprises that a diffuser plate, is positioned at the light guide plate of this diffuser plate below, at least one group of reflecting plate that is positioned at the led light source of this light guide plate incidence surface one side and is positioned at this light guide plate below.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101122756A CN100395609C (en) | 2003-11-17 | 2003-11-17 | Liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101122756A CN100395609C (en) | 2003-11-17 | 2003-11-17 | Liquid crystal display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1619372A CN1619372A (en) | 2005-05-25 |
| CN100395609C true CN100395609C (en) | 2008-06-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2003101122756A Expired - Fee Related CN100395609C (en) | 2003-11-17 | 2003-11-17 | Liquid crystal display device |
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| Country | Link |
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| CN (1) | CN100395609C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103293684B (en) * | 2012-02-29 | 2017-03-29 | 深圳光启智能光子技术有限公司 | 3D display devices |
| CN102692722B (en) * | 2012-05-07 | 2014-07-09 | 上海交通大学 | 2D/3D switchable automatic stereoscopic display device and method base on parallax barrier |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08297336A (en) * | 1995-04-26 | 1996-11-12 | Sanyo Electric Co Ltd | Three-dimensional display device |
| JPH0918896A (en) * | 1995-06-30 | 1997-01-17 | Canon Inc | Stereoscopic image display device |
| JPH09504616A (en) * | 1993-03-26 | 1997-05-06 | テヒニシェ ウニヴェルジテットゥ ドレスデン | Optical system for two-dimensional and three-dimensional display of information |
| US6061179A (en) * | 1996-01-23 | 2000-05-09 | Canon Kabushiki Kaisha | Stereoscopic image display apparatus with two-/three-dimensional image display switching function |
| JP2001183604A (en) * | 1999-12-22 | 2001-07-06 | Toppan Printing Co Ltd | Parallax display device and lens array for use in it |
| JP2003259395A (en) * | 2002-03-06 | 2003-09-12 | Matsushita Electric Ind Co Ltd | Stereoscopic display method and stereoscopic display apparatus |
| JP2003295117A (en) * | 2002-04-02 | 2003-10-15 | Sanyo Electric Co Ltd | Stereoscopic image display device using reflective liquid crystal display panel |
-
2003
- 2003-11-17 CN CNB2003101122756A patent/CN100395609C/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09504616A (en) * | 1993-03-26 | 1997-05-06 | テヒニシェ ウニヴェルジテットゥ ドレスデン | Optical system for two-dimensional and three-dimensional display of information |
| JPH08297336A (en) * | 1995-04-26 | 1996-11-12 | Sanyo Electric Co Ltd | Three-dimensional display device |
| JPH0918896A (en) * | 1995-06-30 | 1997-01-17 | Canon Inc | Stereoscopic image display device |
| US6061179A (en) * | 1996-01-23 | 2000-05-09 | Canon Kabushiki Kaisha | Stereoscopic image display apparatus with two-/three-dimensional image display switching function |
| JP2001183604A (en) * | 1999-12-22 | 2001-07-06 | Toppan Printing Co Ltd | Parallax display device and lens array for use in it |
| JP2003259395A (en) * | 2002-03-06 | 2003-09-12 | Matsushita Electric Ind Co Ltd | Stereoscopic display method and stereoscopic display apparatus |
| JP2003295117A (en) * | 2002-04-02 | 2003-10-15 | Sanyo Electric Co Ltd | Stereoscopic image display device using reflective liquid crystal display panel |
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| Publication number | Publication date |
|---|---|
| CN1619372A (en) | 2005-05-25 |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080618 Termination date: 20171117 |