CN101387788B - Liquid crystal display - Google Patents
Liquid crystal display Download PDFInfo
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- CN101387788B CN101387788B CN2007101215528A CN200710121552A CN101387788B CN 101387788 B CN101387788 B CN 101387788B CN 2007101215528 A CN2007101215528 A CN 2007101215528A CN 200710121552 A CN200710121552 A CN 200710121552A CN 101387788 B CN101387788 B CN 101387788B
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- liquid crystal
- crystal indicator
- lattice plate
- prism film
- diffusion sheet
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Abstract
The invention relates to a liquid crystal display device, comprising a backlight module and a liquid crystal display panel, wherein the liquid crystal display panel comprises a plurality of data lines and gate lines which form a grid section. The liquid crystal display device further comprises an optical grid section in the backlight module, wherein the optical grid section is provided with at least one group of parallel cogs or slots which are cornered with the data lines of the gate lines of the liquid crystal display panel of 0 to 90 degrees. The liquid crystal display device can effectively reduce brightness ripple phenomenon and improve display effect.
Description
Technical field
The present invention relates to a kind of liquid crystal indicator, relate in particular to a kind of liquid crystal indicator with optics lattice plate.
Background technology
Existing liquid crystal indicator is shown in Figure 1A, usually form by module backlight and display panels 9, module backlight wherein comprises from bottom to up successively: be used for fixing the module framework 10 of installation, reflecting plate 1, light guide plate 2, following diffusion sheet 3, following prism film 4, last prism film 5, last diffusion sheet 6, also comprise being arranged on the backlight 7 that light guide plate 2 sides are used to provide light source, and be enclosed in the backlight reflecting plate 8 that backlight 7 peripheries are used to reflect light into light guide plate 2.When liquid crystal indicator is worked, module backlight is converted to area source with the line source of backlight 7 and offers display panels 9, for transmitting light at each layer, on upper and lower prism film, be respectively equipped with parallel rectangular rib pattern, and the rectangular rib of upper and lower prism film normally is 90 angles, its brightness is the some cycles variation behind the pattern of light process parallel strip rib, pass through another vertical parallel bar rib pattern again, then the interference of light phenomenon can take place, be embodied on the display effect, will present the ripple of trellis.Also have other orthogonal bar patens in liquid crystal indicator, for example the gate electrode sweep trace on the display panels is also vertical mutually with signal wire.When the user watched image on the liquid crystal indicator from different perspectives, the difference of this brightness ripple can be more obvious.
For solving the problem that ripple (moire) phenomenon appears in liquid crystal indicator, wherein a kind of concrete scheme is to make the certain angle that staggers mutually of two devices up and down with repeated arrangement pattern, even the angle that the repeated arrangement pattern intersects is less than 90 degree in the prior art.But the problem that this technical scheme exists is: the angle between the prism film reduces, then the brightness of backlight also reduces rapidly, be depicted as the brightness variation diagram of module backlight when the prism film in the module backlight turned an angle with respect to liquid crystal panel as Figure 1B, transverse axis is the angle that relatively rotates of prism film, the longitudinal axis is the brightness value number percent of module backlight, visible brightness reduces gradually, and this technical scheme can not be eliminated waviness phenomena fully.
Therefore, existing technical scheme still can't guarantee other well behaved whiles of liquid crystal indicator, effectively solves the ripple problem of liquid crystal indicator.
Summary of the invention
Fundamental purpose of the present invention is to provide a kind of liquid crystal indicator by some embodiment, can reduce the waviness phenomena that the liquid crystal indicator surface presents, and improves display effect.
For realizing fundamental purpose of the present invention, provide a kind of liquid crystal indicator by some embodiment, comprise module backlight and display panels, this display panels comprises several data lines and gate line, data line and gate line form the lattice plate, wherein: also comprise the optics lattice plate that is arranged in the module backlight, this optics lattice plate is provided with at least one group of parallel fin or groove, the data line of this fin or groove and this display panels or gate line have an angle, this angle is spent greater than 0, and less than 90 degree; Described module backlight comprises light guide plate, described optics lattice plate be arranged on described light guide plate towards the upper surface of liquid crystal display substrate or be arranged on described light guide plate and described display panels between.
By above technical scheme as can be known, by between the optics of liquid crystal indicator, increasing by an optics lattice plate, its pattern and original orthogonal bar paten all are certain included angle, thereby can change the situation of two light wave mutual superposition, thereby the brightness ripple is reduced, improve the display effect of liquid crystal indicator.
Also in conjunction with the accompanying drawings the present invention is described in further detail below by specific embodiment.
Description of drawings
Figure 1A is the structural representation of liquid crystal indicator in the prior art.
Figure 1B relatively rotates the variation diagram of angle with prism film for module brightness backlight in the prior art.
Fig. 2 is the structural representation of liquid crystal indicator specific embodiment one of the present invention.
Fig. 3 is the structural representation of optics lattice plate in the liquid crystal indicator specific embodiment one of the present invention.
Fig. 4 is the structural representation of optics lattice plate in the liquid crystal indicator specific embodiment two of the present invention.
Fig. 5 is the structural representation of optics lattice plate in the liquid crystal indicator specific embodiment three of the present invention.
Fig. 6 is the structural representation of optics lattice plate in the liquid crystal indicator specific embodiment four of the present invention.
Among the figure:
3 times diffusion sheets of 1 reflecting plate, 2 light guide plate
Diffusion sheet on the prism film 6 on 4 times prism films 5
7 backlights, 8 backlight reflecting plates, 9 display panels
10 module framework, 11 optics lattice plates
Embodiment
Liquid crystal indicator embodiment one
Be illustrated in figure 2 as the structural representation of liquid crystal indicator specific embodiment one of the present invention, this liquid crystal indicator is made up of module backlight and display panels 9, the optics of this module backlight comprises: reflecting plate 1, light guide plate 2, following diffusion sheet 3, following prism film 4, last prism film 5, last diffusion sheet 6, be arranged on the backlight 7 and the backlight reflecting plate 8 that is arranged on backlight 7 outsides of light guide plate 2 sides, also be provided with orthogonal data line and gate line on this display panels 9, data line and gate line form the lattice plate, wherein: also be provided with optics lattice plate 11 between light guide plate 2 and following diffusion sheet 3, this optics lattice plate 11 is parallel with the optics of display panels 10 and each layer.
This optics lattice plate is made up of group leader's bar shaped fin, is parallel to each other between fin, and its spacing is designated as L, and minimum spacing should be greater than 0.001 millimeter, and as shown in Figure 3, data line or gate line on this group fin and the display panels 10 have first angle, are designated as θ
1, promptly in essence with upper and lower prism film on orthogonal bar paten be certain included angle, remember that this angle is first angle theta
1, and 0 °＜θ
1＜90 °.The spacing of optics lattice plate parallel fins can suitably be adjusted according to the spacing of other patterns on the liquid crystal indicator, and its preferable span is 0.01mm＜L＜1mm.The fin of this optics lattice plate can be the fin that forms on transparent panel, also can for one between fin the panel of hollow out.
Adopt the technical scheme of present embodiment, be equivalent to change the phase place of the light wave of cycle variation, making it no longer is the crest stack, the trough stack, but cancel out each other, thereby can reduce waviness phenomena, improve display effect.
Liquid crystal indicator embodiment two
The difference of liquid crystal indicator specific embodiment two of the present invention and the foregoing description one is the structure of optics lattice plate, the optics lattice plate that is adopted in the present embodiment has two groups of parallel fins, promptly in embodiment one, be provided with second group of parallel fins again on the basis of first group of parallel fins of optics lattice plate, as shown in Figure 4, first group and second group of fin can have an acute angle, can be vertical mutually, also can be parallel to each other, can adjust as the case may be.Data line or gate line on second group of fin and the display panels also are an angle, are designated as second angle theta
2As long as, there is an angle to satisfy in first angle and second angle, and gets final product less than 90 degree greater than 0 degree, preferred implementation is to make two angles all greater than 0 degree, and less than 90 degree, that is: 0 °＜θ
1＜90 °, and 0 °＜θ
2＜90 °.
Adopt the technical scheme of present embodiment, the optics lattice plate of introducing two groups of parallel fins can further reduce the size of ripple, through reasonable design size, can make the size of ripple be decreased to the human eye perception less than degree, then display effect can significantly improve, and in the present embodiment, optics lattice plate can also have two groups of above parallel fins, or other can change the pattern of phase of light wave, and staggering mutually with the pattern of module optics backlight gets final product.
Liquid crystal indicator embodiment three
Liquid crystal indicator specific embodiment of the present invention three and the difference of the foregoing description are the structure of optics lattice plate, and the optics lattice plate that is adopted in the present embodiment as shown in Figure 5, is on a transparent panel, etches one group of parallel groove.
In the present embodiment, groove is similar to fin to the action principle of light, and also the two or more groups parallel groove can be set further, and the spacing of groove is identical with the angle span with the spacing between fin with angle.Perhaps can also can change the groove pattern of phase of light wave for other.
In the technical scheme of the foregoing description, the material of optics lattice plate can adopt third rare series compound (Acryl), or tygon terephthalic acid (TPA) series compound (polyethylen terephthalate is called for short PET) etc.The position that is provided with of optics lattice plate can be as described in the embodiment one, be arranged between light guide plate and the following diffusion sheet, can also be arranged on down between diffusion sheet and the following prism film, or be arranged on down between prism film and the last prism film, or be arranged between prism film and the last diffusion sheet, or be arranged between diffusion sheet and the display panels.As long as can before image shows, add optics lattice plate, change light wave, reduce ripple and get final product.Can only be provided with one, also can be as the case may be several optics lattice plates be set respectively at a plurality of location-appropriates.
Liquid crystal indicator embodiment four
Liquid crystal indicator specific embodiment four of the present invention is optics lattice plate set-up mode with the difference of the foregoing description, optics lattice plate in the previous embodiment is optical unit independently, can insert in the existing liquid crystal indicator, the optics lattice plate that is adopted in the present embodiment, as shown in Figure 6, be formed on the optics of liquid crystal indicator.As in the present embodiment, etch parallel groove at the upper surface of light guide plate 2, promptly can be used as optics lattice plate 11, play the effect that reduces ripple.
Principle is similar therewith, optics lattice plate 11 can be able to be arranged on the upper surface or lower surface of diffusion sheet, or be arranged on the lower surface of prism film, or be arranged on down on the upper surface of prism film, or be arranged on down on the upper surface or lower surface of diffusion sheet.Promptly form the pattern of optics lattice plate on above-mentioned surface, for example etched recesses forms fin.
Technique scheme all can realize reducing the liquid crystal indicator external waviness, improves the purpose of effect.
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (9)
1. liquid crystal indicator, comprise module backlight and display panels, described display panels comprises several data lines and gate line, data line and gate line form the lattice plate, it is characterized in that: also comprise the optics lattice plate that is arranged in the module backlight, described optics lattice plate is provided with at least one group of parallel fin or groove, and the data line of described fin or groove and described display panels or gate line have an angle, described angle is spent greater than 0, and less than 90 degree; Described module backlight comprises light guide plate, described optics lattice plate be arranged on described light guide plate towards the upper surface of liquid crystal display substrate or be arranged on described light guide plate and described display panels between.
2. liquid crystal indicator according to claim 1, it is characterized in that: described optics lattice plate is provided with parallel two groups of fins or groove, wherein the data line or the gate line of at least one group of described fin or groove and described display panels have an angle, described angle is spent greater than 0, and less than 90 degree.
3. liquid crystal indicator according to claim 1, it is characterized in that: described optics lattice plate is provided with parallel two groups of fins or groove, the data line or the gate line of two groups of described fins or groove and described display panels have an angle respectively, two described angles are all spent greater than 0, and less than 90 degree.
4. liquid crystal indicator according to claim 1 is characterized in that: the spacing of described parallel fins or groove is 0.01～1 millimeter.
5. liquid crystal indicator according to claim 1 is characterized in that: the material of described optics lattice plate is third rare series compound or tygon terephthalic acid (TPA) series compound.
6. according to the described arbitrary liquid crystal indicator of claim 1～5, it is characterized in that: described module backlight comprises stacked successively reflecting plate, light guide plate, down diffusion sheet, down prism film, go up prism film and last diffusion sheet, described optics lattice plate be arranged on described light guide plate, down diffusion sheet, down prism film, upward in prism film and the last diffusion sheet between adjacent two.
7. according to the described arbitrary liquid crystal indicator of claim 1～5, it is characterized in that: described module backlight comprises diffusion sheet down, and described optics lattice plate is arranged on the lower surface or upper surface of described diffusion sheet down.
8. according to the described arbitrary liquid crystal indicator of claim 1～5, it is characterized in that: described module backlight comprises diffusion sheet, and described optics lattice plate is arranged on the lower surface or upper surface of described upward diffusion sheet.
9. according to the described arbitrary liquid crystal indicator of claim 1～5, it is characterized in that: described module backlight comprises prism film and following prism film, and described optics lattice plate is arranged on the side of described upward prism film or following prism film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101215528A CN101387788B (en) | 2007-09-10 | 2007-09-10 | Liquid crystal display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101215528A CN101387788B (en) | 2007-09-10 | 2007-09-10 | Liquid crystal display |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101387788A CN101387788A (en) | 2009-03-18 |
| CN101387788B true CN101387788B (en) | 2010-12-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101215528A Active CN101387788B (en) | 2007-09-10 | 2007-09-10 | Liquid crystal display |
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| CN (1) | CN101387788B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103513306B (en) * | 2012-06-29 | 2016-01-20 | 深圳市比亚迪电子部品件有限公司 | A kind of method calculating backlight module bright enhancement film and mate angle with LCD |
| CN104409037B (en) * | 2014-12-24 | 2017-07-28 | 厦门天马微电子有限公司 | Display panel and display device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1400497A (en) * | 2001-08-01 | 2003-03-05 | 三星电子株式会社 | Light conducting plate, its liquid crystal device and image displaying method with the device |
| US7095399B1 (en) * | 1999-08-23 | 2006-08-22 | Minebea Co., Ltd. | Spread illuminating apparatus with transparent substrate having groove portions obliquely arranged and intersecting one another |
-
2007
- 2007-09-10 CN CN2007101215528A patent/CN101387788B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7095399B1 (en) * | 1999-08-23 | 2006-08-22 | Minebea Co., Ltd. | Spread illuminating apparatus with transparent substrate having groove portions obliquely arranged and intersecting one another |
| CN1400497A (en) * | 2001-08-01 | 2003-03-05 | 三星电子株式会社 | Light conducting plate, its liquid crystal device and image displaying method with the device |
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| Publication number | Publication date |
|---|---|
| CN101387788A (en) | 2009-03-18 |
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Owner name: BEIJING BOE PHOTOELECTRICITY SCIENCE + TECHNOLOGY Effective date: 20141210 Owner name: JINGDONGFANG SCIENCE AND TECHNOLOGY GROUP CO., LTD Free format text: FORMER OWNER: BEIJING BOE PHOTOELECTRICITY SCIENCE + TECHNOLOGY CO., LTD. Effective date: 20141210 |
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Free format text: CORRECT: ADDRESS; FROM: 100176 DAXING, BEIJING TO: 100015 CHAOYANG, BEIJING |
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Effective date of registration: 20141210 Address after: 100015 Jiuxianqiao Road, Beijing, No. 10, No. Patentee after: BOE Technology Group Co., Ltd. Patentee after: Beijing BOE Photoelectricity Science & Technology Co., Ltd. Address before: 100176 Beijing economic and Technological Development Zone, West Central Road, No. 8 Patentee before: Beijing BOE Photoelectricity Science & Technology Co., Ltd. |