CN206479738U - A kind of display device - Google Patents
A kind of display device Download PDFInfo
- Publication number
- CN206479738U CN206479738U CN201720198035.XU CN201720198035U CN206479738U CN 206479738 U CN206479738 U CN 206479738U CN 201720198035 U CN201720198035 U CN 201720198035U CN 206479738 U CN206479738 U CN 206479738U
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- Prior art keywords
- area
- liquid crystal
- sawtooth
- display panel
- sight
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Abstract
The utility model provides a kind of display device, including compensation film and liquid crystal display panel, compensate the non-light emission side that film is located at liquid crystal display panel, compensating film includes axisymmetric first area and second area each other, by the transmitance that the transmitance of first area is set greater than to second area, and liquid crystal molecule and the angle of the second sight in the liquid crystal display panel corresponding less than second area with the angle of the first sight of the liquid crystal molecule in the corresponding liquid crystal display panel in first area, wherein, the equal length of first sight and the second sight, and first the orthographic projection on compensation film of sight and the second sight on first area and the symmetrical axial symmetry of second area, the liquid crystal display panel corresponding to first area is set to obtain more luminosity compensations relative to the liquid crystal display panel corresponding to second area, so, the left side for the display picture that beholder positioned at display device center watches is identical with the brightness on right side, it is bad so as to avoid that display picture occurs that side turns white.
Description
Technical field
The present invention relates to technical field of liquid crystal display, more particularly to a kind of display device.
Background technology
Liquid crystal display panel (Thin Film Transistor-Liquid Crystal Display, TFT-LCD) in order to
Obtain the preferably corresponding time, it is necessary to by oriented layer by liquid crystal molecule according to certain pre-tilt angle (i.e. long axis of liquid crystal molecule and
The angle of oriented layer) arrangement.But, beholder is located at liquid crystal display panel center, the left side for the display image watched
There is luminance difference with right side, the phenomenon that display image side is turned white occur, moreover, when beholder's viewing distance is constant, with
The increase of LCD board size, the left side of display image and the luminance difference on right side are consequently increased, influence large scale
The picture quality of liquid crystal display device.
Therefore, a kind of display device is needed badly to solve above-mentioned technical problem.
The content of the invention
The utility model for above shortcomings in the prior art there is provided a kind of display device, at least partly
The problem of left side and right side brightness for solving the image that display device is shown have differences.
To achieve the above object, the utility model provides a kind of display device, including compensation film and liquid crystal display panel, institute
The side that compensation film is located at the non-exiting surface of the liquid crystal display panel is stated, the compensation film includes axisymmetric firstth area each other
Domain and second area, the transmitance of the first area are more than the transmitance of the second area；
The angle of liquid crystal molecule and the first sight in the corresponding liquid crystal display panel in the first area is less than described the
The angle of liquid crystal molecule and the second sight in the corresponding liquid crystal display panel in two regions, wherein, first sight and second
The equal length of sight, and the orthographic projection of first sight and the second sight on the compensation film is on the first area
With the symmetrical axial symmetry of second area.
It is preferred that, the compensation film is provided with multiple sawtooth, firstth area adjacent to the side of the liquid crystal display panel
The drift angle of sawtooth in domain is more than the drift angle of the sawtooth in the second area.
It is preferred that, the width of the sawtooth on the compensation film is equal, and the height of the sawtooth in the first area is small
In the height of the sawtooth in the second area.
It is preferred that, on from the first area to the direction of the second area, the height of the sawtooth on the compensation film
Degree gradually increases.
It is preferred that, the width of the sawtooth in the first area is more than the width of the sawtooth in the second area, and institute
State compensation film on sawtooth height it is equal.
It is preferred that, on from the first area to the direction of the second area, the width of the sawtooth on the compensation film
Degree is gradually reduced.
It is preferred that, between the adjacent saw-tooth being smaller than in the second area of the adjacent saw-tooth in the first area
Away from.
It is preferred that, on from the first area to the direction of the second area, the adjacent saw-tooth on the compensation film
Spacing gradually increase.
It is preferred that, the sawtooth on the compensation film is in isosceles triangle.
It is preferred that, the compensation film is provided with multiple sawtooth adjacent to the side of the liquid crystal display panel, and the sawtooth is in
Oblique triangle, and tilted towards the second area.
The utility model has the advantages that：
The utility model provides a kind of display device, including compensation film and liquid crystal display panel, and compensation film is located at liquid crystal
Show the side of the non-exiting surface of panel, compensation film includes axisymmetric first area and second area each other, by by the firstth area
The transmitance in domain is set greater than the liquid crystal molecule in the transmitance of second area, and the corresponding liquid crystal display panel in first area
The angle of liquid crystal molecule and the second sight in liquid crystal display panel corresponding less than second area with the angle of the first sight, from
And will compensate film transmitance higher (i.e. light intensity is stronger) first area and liquid crystal display panel light intensity it is weaker (i.e. liquid crystal divide
It is sub smaller with corresponding sight angle) side it is corresponding, and compensate the second area of the transmitance of film relatively low (i.e. light intensity is weaker)
Side to liquid crystal display panel light intensity relatively strong (i.e. liquid crystal molecule and the angle of corresponding sight is larger) is corresponding, and first area can be with
More light are passed through with respect to second area so that the display panel corresponding to first area is relative to aobvious corresponding to second area
Show that panel obtains more luminosity compensations, so, left-side images and right part of flg that the beholder positioned at display device center watches
The brightness of picture is identical, bad so as to avoid the occurrence of that display picture occurs that side turns white, and then improves large scale liquid crystal and show
The picture quality of showing device.
Brief description of the drawings
The display device sectional view that Fig. 1 provides for the utility model；
The cross section structure schematic diagram one for the compensation film that Fig. 2 provides for utility model；
The cross section structure schematic diagram two for the compensation film that Fig. 3 provides for utility model；
The cross section structure schematic diagram three for the compensation film that Fig. 4 provides for utility model；
The cross section structure schematic diagram four for the compensation film that Fig. 5 provides for utility model.
Marginal data：
1st, compensation film 2, liquid crystal display panel 3, first area 4, second area
5th, liquid crystal molecule 6, the first sight 7, the second sight 8, normal
9th, beholder 10, backlight module 11, sawtooth
Embodiment
To make those skilled in the art more fully understand technical scheme, below in conjunction with the accompanying drawings to utility model
A kind of display device provided is described in detail.
Liquid crystal display panel is to realize what image was shown using the optical anisotropy of liquid crystal molecule, light and liquid crystal molecule
The angle of major axis is smaller, and the change of polarization of light is smaller, and the light intensity of emergent ray is smaller, light and long axis of liquid crystal molecule
Angle is bigger, and the change of polarization of light is bigger, and the light intensity of emergent ray is bigger.Occur by electric field driven liquid crystal molecule inclined
Turn, the liquid crystal molecule of different deflection angles can obtain different output intensities, so as to form display picture.
Inventor has found, when beholder is located at liquid crystal display panel center, on the left of beholder sight and right side sight with
The angle of liquid crystal molecule has differences, and has differences the light intensity that beholder obtains from the left side of liquid crystal display panel and right side,
Thus cause the brightness in the left side and right side of the display image that beholder watches to have differences, display image side occur and turn white
Phenomenon.Left side sight and right side sight mentioned here refer to that the normal for being located normal to the center of liquid crystal display panel is left
The sight of side and the sight on right side.
The utility model provides a kind of display device, as shown in figure 1, the display device includes：Compensate film 1 and liquid crystal
Show panel 2, compensation film 1 is located at the side of the non-exiting surface of liquid crystal display panel 2, and compensation film 1 includes：Each other axisymmetric first
Region 3 and second area 4, the transmitance of first area 3 are more than the transmitance of second area 4.The corresponding liquid crystal in first area 3
Show the liquid crystal in the liquid crystal display panel 2 corresponding less than second area 4 with the angle of the first sight 6 of the liquid crystal molecule 5 in panel 2
The angle of the sight 7 of molecule 5 and second.Wherein, the equal length of the first sight 6 and the second sight 7, and the first sight 6 and second
Orthographic projection of the sight 7 on compensation film 1 is on first area 3 and the symmetrical axial symmetry of second area 4.Specifically, compensation film 1
Size and shape is corresponding with the viewing area of liquid crystal display panel 2, and the first area 3 of compensation film 1 and second area 4 are first to light
After the light intensity of line is compensated, then the light after compensation is incident to liquid crystal display panel 2.Liquid crystal in liquid crystal display panel 2
Molecule 5 along rotate counterclockwise and is in default pre-tilt angle with liquid crystal display panel 2.Beholder 9 is located at the centre bit of liquid crystal display panel 2
The front put and towards liquid crystal display panel 2, the sight positioned at the right side of beholder 9 is the first sight 6, left positioned at beholder 9
The sight of side is the second sight 7.First sight 6 and the second sight 7 are on 8 pairs of the normal perpendicular to the center of liquid crystal display panel 2
Title, the first sight 6 and the second sight 7 are projected to the right side area (i.e. the right side area of beholder 9) of liquid crystal display panel 2 respectively
With left field (i.e. the left field of beholder 9), the first sight 6 and the liquid crystal point in the right side area of liquid crystal display panel 2
The angle of son is less than the second sight 7 and the angle of the liquid crystal molecule in the left field of liquid crystal display panel 2.Compensate the of film 1
One region 3 is corresponding with the right side area of liquid crystal display panel 2, compensates the second area 4 of film 1 and the left side of liquid crystal display panel 2
Region correspondence.
It should be noted that the liquid crystal molecule 5 in liquid crystal display panel 2 rotate clockwise and with liquid crystal display panel 2
It is also feasible in default pre-tilt angle.When the liquid crystal molecule 5 in liquid crystal display panel 2 is rotated clockwise and and LCD
When plate 2 is in default pre-tilt angle, the sight positioned at the left side of beholder 9 is the first sight 6, and the sight positioned at the right side of beholder 9 is the
Two sights 7, the first sight 6 is projected to the left field (i.e. the left field of beholder 9) of liquid crystal display panel 2, the second sight 7
It is projected to the right side area (i.e. the right side area of beholder 9) of liquid crystal display panel 2, the first sight 6 and liquid crystal display panel 2
The angle of liquid crystal molecule in left field is less than the second sight 7 and the liquid crystal molecule in the right side area of liquid crystal display panel 2
Angle, compensate film 1 first area 3 it is corresponding with the left side of liquid crystal display panel 2, compensation film 1 second area 4 and liquid crystal
Show the right side correspondence of panel 2.
The display device that the utility model is provided, including compensation film 1 and liquid crystal display panel 2, compensation film 1 are located at liquid crystal
Show the side of the non-exiting surface of panel 2, compensation film 1 includes axisymmetric first area 3 and second area 4 each other, by by the
The transmitance in one region 3 is set greater than in the transmitance of second area 4, and the corresponding liquid crystal display panel 2 in first area 3
Liquid crystal molecule 5 and second in the liquid crystal display panel 2 corresponding less than the domain of the secondth area 4 with the angle of the first sight 6 of liquid crystal molecule 5
The angle of sight 7, so that by the first area 3 for the transmitance higher (i.e. light intensity is stronger) for compensating film 1 and liquid crystal display panel 2
The side of light intensity weaker (i.e. liquid crystal molecule and the angle of corresponding sight is smaller) is corresponding, and relatively low (the i.e. light of transmitance of compensation film 1
It is strong weaker) second area 4 and the one of the light intensity of liquid crystal display panel 2 relatively strong (i.e. the angle of liquid crystal molecule and corresponding sight is larger)
Side correspondence, first area 3 can pass through more light with respect to second area 4 so that the LCD corresponding to first area 3
Plate 2 obtains more luminosity compensations relative to the liquid crystal display panel 2 corresponding to second area 4, so, in display device
The left-side images that the beholder 9 of the heart watches are identical with the brightness of image right, occur one so as to avoid the occurrence of display picture
It is bad that side is turned white, and then improves the picture quality of large scale liquid crystal display device.
The concrete structure for compensating film 1 is described in detail by figure 1 below, Fig. 2, Fig. 3, Fig. 4 and Fig. 5.
As shown in figure 1, compensation film 1 is provided with multiple sawtooth 11, and compensation film 1 adjacent to the side of liquid crystal display panel 2
Sawtooth 11 be in isosceles triangle.
With reference to shown in Fig. 1 and Fig. 2, the vertex angle theta 1 of the sawtooth 11 in first area 3 is more than the sawtooth 11 in second area 4
Vertex angle theta 2.Specifically, the angle on the surface of sawtooth 11 and the bottom surface of sawtooth 11 in first area 3 is less than sawtooth 11 in second area 4
The angle on surface and the bottom surface of sawtooth 11, makes incident ray (shown in Fig. 2 haircuts) and the angle α 1 on the surface of sawtooth 11 in first area 3
(i.e. the incidence angle on incident ray surface of sawtooth 11 in first area 3) is less than the angle α with the surface of sawtooth 11 in second area 4
2 (i.e. the incidence angles on incident ray surface of sawtooth 11 in second area 4), so that when α 1 is less than critical angle and α 2 is more than critical angle
When, incident ray can not be from the surface outgoing of sawtooth 11 in second area 4, however, it is possible to from the table of sawtooth 11 in first area 3
Face outgoing, makes to be more than the light from the surface outgoing of sawtooth in second area 4 11 from the light of the surface outgoing of sawtooth in first area 3 11
Line, i.e., be more than the light intensity from the emergent ray of second area 4 from the light intensity of the emergent ray of first area 3, make corresponding to first area 3
Liquid crystal display panel 2 obtain luminosity compensation relative to the liquid crystal display panel 2 corresponding to second area 4.
Specifically, as shown in figure 1, the width of the sawtooth 11 on compensation film 1 is equal, and the sawtooth 11 in first area 3
Height H1 be less than the height H2 of the sawtooth 11 in second area 4, the vertex angle theta 1 of the sawtooth 11 in first area 3 is all higher than the
The vertex angle theta 2 of sawtooth 11 in two regions 4.
It is preferred that, on from first area 3 to the direction of second area 4, the height of the sawtooth 11 on compensation film 1 gradually increases
Greatly.That is, on from first area 3 to the direction of second area 4, the drift angle of the sawtooth 11 on compensation film 1 is gradually reduced,
The light intensity of emergent ray is gradually reduced, and makes the liquid crystal display panel 2 corresponding to first area 3 relative to corresponding to second area 4
Liquid crystal display panel 2 obtain more luminosity compensations.
It should be noted that as shown in figure 3, the width W1 of the sawtooth 11 in first area 3 is more than the saw in second area 4
The height of sawtooth 11 on the width W2 of tooth 11, and compensation film 1 is equal, can also make the vertex angle theta of the sawtooth in first area 3
1 is all higher than the vertex angle theta 2 of the sawtooth 11 in second area 4.
It is preferred that, on from first area 3 to the direction of second area 4, the width of the sawtooth 11 on compensation film 1 gradually subtracts
Small, that is, the drift angle for compensating the sawtooth 11 on film 1 is gradually reduced, so that the light intensity of emergent ray is gradually reduced, makes the institute of first area 3
Corresponding liquid crystal display panel 2 can also obtain more light intensity relative to the liquid crystal display panel 2 corresponding to second area 4 and mend
Repay.
It should be noted that with reference to shown in Fig. 1 and Fig. 4, the spacing W3 of the adjacent saw-tooth 11 in first area 3 is less than second
The spacing W4 of adjacent saw-tooth 11 in the domain of area 4.Specifically, the sawtooth 11 on compensation film 1 can make light to liquid crystal display panel 2
Center collect, increase visual perspective under light intensity.The spacing W3 of adjacent saw-tooth 11 in first area 3 is less than the secondth area
The spacing W4 of adjacent saw-tooth 11 in 4 domains, makes the quantity of sawtooth 11 in first area 3 more than the sawtooth 11 in second area 4
Quantity, so as to be more than the visual perspective from the outgoing of second area 4 from the intensity of light under the visual perspective of the outgoing of first area 3
The intensity of lower light, further makes the liquid crystal display panel 2 corresponding to first area 3 relative to the liquid corresponding to second area 4
LCD panel 2 obtains luminosity compensation.
It is preferred that, on from first area 3 to the direction of second area 4, compensation film 1 on adjacent saw-tooth 11 spacing by
It is cumulative big.That is, on from first area 3 to the direction of second area 4, the density of the sawtooth 11 on compensation film 1 is gradually
Reduce, i.e., on from first area 3 to the direction of second area 4, light intensity is gradually reduced under visual perspective, further make the
Liquid crystal display panel 2 corresponding to one region 3 obtains more light relative to the liquid crystal display panel 2 corresponding to second area 4
Strong compensation.
It should be noted that with reference to shown in Fig. 1 and Fig. 5, the sawtooth 11 on compensation film 1 is in oblique triangle, and towards second
Region 4 is tilted.Specifically, sawtooth 11 is less than towards the towards the angle α 3 of surface and the bottom surface of sawtooth 11 of the side of first area 3
The surface of the side of two region 4 and the angle α 4 of the bottom surface of sawtooth 11, from sawtooth 11 towards the surface emergent ray of the side of first area 3
Angular range be more than from sawtooth 11 towards the surface emergent ray of the side of second area 4 angular range, go out compensated film 1
Liquid crystal display panel 2 corresponding to the direction for the overall light penetrated towards first area 3, further make first area 3 pair
The liquid crystal display panel 2 answered obtains luminosity compensation relative to the liquid crystal display panel 2 corresponding to second area 4.
As shown in figure 1, the display device also includes backlight module 10, compensation film 1 is located at the light emission side of backlight module 10.
It is preferred that, compensation film 1 is arranged in the basic unit of prismatic lens (not illustrated in figure).
It is understood that the principle that embodiment of above is intended to be merely illustrative of the present and the exemplary implementation that uses
Mode, but the invention is not limited in this.For those skilled in the art, the essence of the present invention is not being departed from
In the case of refreshing and essence, various changes and modifications can be made therein, and these variations and modifications are also considered as protection scope of the present invention.
Claims (10)
1. a kind of display device, it is characterised in that including compensation film and liquid crystal display panel, the compensation film is located at the liquid crystal
The side of the non-exiting surface of display panel, the compensation film includes axisymmetric first area and second area each other, and described the
The transmitance in one region is more than the transmitance of the second area；
The angle of liquid crystal molecule and the first sight in the corresponding liquid crystal display panel in the first area is less than secondth area
The angle of liquid crystal molecule and the second sight in the corresponding liquid crystal display panel in domain, wherein, first sight and the second sight
Equal length, and the orthographic projection of first sight and the second sight on the compensation film is on the first area and the
The symmetrical axial symmetry in two regions.
2. display device according to claim 1, it is characterised in that the compensation film is adjacent to the liquid crystal display panel
Side is provided with drift angle of the drift angle of the sawtooth in multiple sawtooth, the first area more than the sawtooth in the second area.
3. display device according to claim 2, it is characterised in that the width of the sawtooth on the compensation film is equal,
And the height of the sawtooth in the first area is less than the height of the sawtooth in the second area.
4. display device according to claim 3, it is characterised in that from the first area to the second area
On direction, the height of the sawtooth on the compensation film gradually increases.
5. display device according to claim 2, it is characterised in that the width of the sawtooth in the first area is more than institute
The width of the sawtooth in second area is stated, and the height for compensating the sawtooth on film is equal.
6. display device according to claim 5, it is characterised in that from the first area to the second area
On direction, the width of the sawtooth on the compensation film is gradually reduced.
7. display device according to claim 2, it is characterised in that the spacing of the adjacent saw-tooth in the first area is small
In the spacing of the adjacent saw-tooth in the second area.
8. display device according to claim 7, it is characterised in that from the first area to the second area
On direction, the spacing of the adjacent saw-tooth on the compensation film gradually increases.
9. the display device according to claim any one of 2-8, it is characterised in that the sawtooth on the compensation film is in isosceles
Triangle.
10. display device according to claim 1, it is characterised in that the compensation film is adjacent to the liquid crystal display panel
Side be provided with multiple sawtooth, the sawtooth is in oblique triangle, and tilted towards the second area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720198035.XU CN206479738U (en) | 2017-03-02 | 2017-03-02 | A kind of display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720198035.XU CN206479738U (en) | 2017-03-02 | 2017-03-02 | A kind of display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206479738U true CN206479738U (en) | 2017-09-08 |
Family
ID=59746536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720198035.XU Expired - Fee Related CN206479738U (en) | 2017-03-02 | 2017-03-02 | A kind of display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206479738U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108490696A (en) * | 2018-05-11 | 2018-09-04 | 昆山龙腾光电有限公司 | Liquid crystal display device and its view angle switch method |
| CN113485042A (en) * | 2021-06-30 | 2021-10-08 | 厦门天马微电子有限公司 | Display panel, manufacturing method thereof and display device |
-
2017
- 2017-03-02 CN CN201720198035.XU patent/CN206479738U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108490696A (en) * | 2018-05-11 | 2018-09-04 | 昆山龙腾光电有限公司 | Liquid crystal display device and its view angle switch method |
| CN113485042A (en) * | 2021-06-30 | 2021-10-08 | 厦门天马微电子有限公司 | Display panel, manufacturing method thereof and display device |
| CN113485042B (en) * | 2021-06-30 | 2023-04-21 | 厦门天马微电子有限公司 | Display panel, manufacturing method thereof and display device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
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| CF01 | Termination of patent right due to non-payment of annual fee |