CN109358432A - Liquid crystal display device - Google Patents
Liquid crystal display device Download PDFInfo
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- CN109358432A CN109358432A CN201811512573.7A CN201811512573A CN109358432A CN 109358432 A CN109358432 A CN 109358432A CN 201811512573 A CN201811512573 A CN 201811512573A CN 109358432 A CN109358432 A CN 109358432A
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- display
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- display device
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
- G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
- G02B30/34—Stereoscopes providing a stereoscopic pair of separated images corresponding to parallactically displaced views of the same object, e.g. 3D slide viewers
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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
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133603—Direct backlight with LEDs
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
Abstract
The present embodiment provides a kind of liquid crystal display device, which is specifically included: area source and display portion；Area source includes light-emitting substrate plane, and multiple luminescence units are provided in light-emitting substrate plane, and each luminescence unit includes at least one Light-emitting diode LED light source；Each luminescence unit forms predetermined angle in sequence so that into user's right and left eyes optical information from different luminescence units；Display portion includes multiple display units pair；Two display units of each display unit centering show that different optical informations, the optical information that two display units are shown are the optical informations of the different angle of the same content from different luminescence units respectively.The light source that certain angle generates different angle is tilted by luminescence unit, so that it is different with the light of right eye into left eye, to be sent into different pictures to left eye and right eye, the different focusing in front and back is generated, realizes 3D display.
Description
Technical field
This disclosure relates to color display technology industry more particularly to a kind of liquid crystal display device.
Background technique
With the development of 3D video technique, the mode that 3D is all made of in many media products is made, so that user exists
It can be realized more intuitive viewing impression during viewing, however, the technology that can be realized naked eye 3D display is not much, it is existing
There is technology to provide a kind of light barrier technology, by switching Liquid Crystal, stops backlight to reach the access of eyes, so that the picture of left eye and right eye
Face respectively corresponds in different display pixels, to obtain the effect of 3D display.It is using column in another currently existing scheme
Shape lens (Lenticular Lens) technology, also referred to as biconvex lens or microtrabeculae lens 3D technology, maximum advantage are
Its brightness is unaffected.The principle of cylindrical lenses 3D technology is that one layer of cylindrical lenses are added before liquid crystal display,
Make being located on the focal plane of lens as plane for liquid crystal display, the pixel of the image in this way below each cylindrical lens is divided into several
Sub-pixel, such lens can project each sub-pixel in different directions.Then eyes watch display screen from different angles,
Different sub-pixels is just seen, to realize the effect of 3D display.It is shown however, above-mentioned two scheme can not achieve 2D/3D
Switching, and picture brightness is lower, and resolution ratio in the same time can broadcast the increase of image in inverse ratio drop with display
It is low.
Summary of the invention
To overcome the problems in correlation technique, the disclosure provides a kind of liquid crystal display device.
According to the first aspect of the embodiments of the present disclosure, a kind of liquid crystal display device is provided, comprising:
Area source and display portion；
The area source includes light-emitting substrate plane, is provided with multiple luminescence units in the light-emitting substrate plane, each
Luminescence unit includes at least one Light-emitting diode LED light source；Each luminescence unit forms predetermined angle in sequence, so that into
The optical information of access customer right and left eyes is from different luminescence units；
The display portion includes multiple display units pair；Two display units of each display unit centering are shown respectively
Show different optical informations, the optical information that described two display units are shown be the same content from different luminescence units not
With the optical information of angle.
In the liquid crystal display device that the embodiment of the present disclosure provides, predetermined angle is sequentially formed by unused luminescence unit,
The light source of different angle is generated, so that it is different with the light of right eye into left eye, to be sent into different pictures to left eye and right eye
Face generates the different focusing in front and back, realizes 3D display.
The embodiment of the present disclosure one kind in the specific implementation, each display unit to further including light shielding block, the shading
The side for being located at area source between two display units in the display unit pair is arranged in block.
In the present solution, two display unit middle position light sources on the basis of above scheme, in display unit pair
The side does a light shielding block, for the completely isolated light into right and left eyes, avoids interfering, preferably forms 3D effect.
In the another of the embodiment of the present disclosure in the specific implementation, the LED light source is realized using the LED light of RGB.
Optionally, the LED light source is realized using blue LED lamp and color conversion film.
Optionally, the LED light source is realized using white LED lamp and color conversion film.
In above-mentioned several schemes, the LED light that multiple colors can be used in area source is realized, can also pass through monochrome
LED light is realized plus color conversion film, can be selected according to the actual situation.
In the another of the embodiment of the present disclosure in the specific implementation, every three luminescence units are one group, wherein two sides are with respect to institute
Stating light-emitting substrate plane has the luminescence unit of default angle to be used to shine in 3D display, and interphase is flat for the light-emitting substrate
The luminescence unit that the angle in face is zero is used to shine in 2D display.
In the present solution, the liquid crystal display device, which connects, can show 2D resource, 3D resource can also be shown, it can basis
Actual resource type selects different display modes, realizes that the switching between 2D and 3D is shown.
In the another in the specific implementation, the predetermined angle of each luminescence unit is according to user to institute of the embodiment of the present disclosure
State what the viewing distance between liquid crystal display device and the luminescence unit were determined apart from user's viewing angle.
In the another of the embodiment of the present disclosure in the specific implementation, the light shielding block is black.
In the another of the embodiment of the present disclosure in the specific implementation, each display unit in the display unit pair includes one
A display pixel or a pixel group；Each pixel group includes multiple display pixels.
Two display units of the display unit centering in the present embodiment respectively correspond the same display content, and left and right is soon
The different-effect arrived, that is to say, that when showing 3D effect, resolution ratio wants drop by half, and a display unit does not refer to 1 singly
A display pixel can be made into single pixel, and effect can be relatively good, but multiple pixel are 1 group, can also reach display effect.
The liquid crystal display device that the embodiment of the present disclosure provides, the light-emitting substrate including area source and display portion area source
Multiple luminescence units are provided in plane, each luminescence unit includes at least one LED light source, and each luminescence unit is in sequence
Form predetermined angle so that into user's right and left eyes optical information from different luminescence units, display portion includes multiple aobvious
Show unit pair, two display units of each display unit centering show that different optical informations, two optical informations come from respectively
The optical information of the different angle of the same content of different luminescence units.Certain angle, which is tilted, by luminescence unit generates difference
The light source of angle, so that it is different with the light of right eye into left eye, so that different pictures is sent into left eye and right eye, before generation
3D display is realized in different focusing afterwards.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows and meets implementation of the invention
Example, and be used to explain the principle of the present invention together with specification.
Fig. 1 is the structural schematic diagram of liquid crystal display device embodiment one shown according to an exemplary embodiment.
Fig. 2 is a kind of schematic diagram of display backlight shown according to an exemplary embodiment.
Fig. 3 is a kind of schematic diagram of the backlight of area source shown according to an exemplary embodiment.
Fig. 4 is the structural schematic diagram of liquid crystal display device embodiment two shown according to an exemplary embodiment.
Fig. 5 is the light path schematic diagram of a pair of of luminescence unit shown according to an exemplary embodiment.
Fig. 6 is the light path schematic diagram of multipair luminescence unit and display unit shown according to an exemplary embodiment.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistented with the present invention.On the contrary, they be only with it is such as appended
The example of device and method being described in detail in claims, some aspects of the invention are consistent.
3D display is carried out in the terminal devices such as television set in order to realize, so that user's naked eye can experience 3D effect
Fruit, what all naked eye 3D technologies to be solved is exactly that problem is exactly the light source for generating different angle, so that into left eye and right eye
Light is different, to be sent into different pictures to left eye and right eye, generates the different focusing in front and back, to realize that 3D feels.
Scheme provided by the present application is exactly by the angle of the micro led in setting area source, to simply generate
Different shooting angle light, to cooperate the effect for realizing 3D.Below by several specific implementations to liquid provided by the present application
Crystal device is illustrated.
Fig. 1 is the structural schematic diagram of liquid crystal display device embodiment one shown according to an exemplary embodiment, such as Fig. 1 institute
Show, which includes: area source and display portion；
The area source includes light-emitting substrate plane, is provided with multiple luminescence units in the light-emitting substrate plane, each
Luminescence unit includes at least one light emitting diode (Light Emitting Diode, LED) light source, black shown in Fig. 1
The luminescence unit that grey parts in the light-emitting substrate plane of color indicate.Each luminescence unit forms predetermined angle in sequence,
The predetermined angle can be determined by test of many times, it is therefore an objective to make the optical information into user's right and left eyes from different luminous lists
Member, specific degree this programme of predetermined angle is with no restrictions.What the arrow in figure indicated is the light that each luminescence unit issues
Angle, the light angle that as can be seen from the figure different luminescence unit issues is different.LED in the program can make
With miniature LED, i.e. micro LED, or also referred to as mini LED.
The display portion includes multiple display units pair；Two display units of each display unit centering are shown respectively
Show different optical informations, the optical information that described two display units are shown be the same content from different luminescence units not
With the optical information of angle.It is meant that display portion includes multiple display units pair, the display list of every a pair of display unit centering
Member shows the content from different luminescence units respectively, so that the light into the right and left eyes of user is different, can be
The different angle of the same content, to realize 3D display effect.
In the liquid crystal display device that the embodiment of the present disclosure provides, predetermined angle is sequentially formed by unused luminescence unit,
The light source of different angle is generated, so that it is different with the light of right eye into left eye, to be sent into different pictures to left eye and right eye
Face generates the different focusing in front and back, realizes 3D display.
On the basis of the above embodiments, the LED light source on area source can be realized by following several implementations:
The first implementation, LED light source are realized using the LED light of RGB RGB.Wherein, R (red), G (green), B
(blue) redgreenblue light is respectively indicated, current display is mostly to use RGB color standard to be over the display
By light beat screen red, green, blue three-colour light-emitting extremely on generate color, it is all on the screens such as computer and television set
Color is all mixed by the blue three kinds of coloured light of this red green according to different ratios.One group of red green blue is exactly
One the smallest unit of display.Any one color on screen can be recorded and be expressed by one group of rgb value.
Second of implementation, LED light source are realized using blue LED lamp and color conversion film.
The third implementation, LED light source are realized using white LED lamp and color conversion film.
In above two implementation, using monochromatic LED light, film is converted by color and realizes that color is different, face
It is a kind of optical film that color, which converts film, and monochromatic light can be converted to can wrap on multiple color, such as color conversion film
The multiple and different parts for including redgreenblue, realize different colors.
A kind of above-mentioned last structure of mode can switch to the area source being made of small LED light with side entrance back.
In above-mentioned several schemes, the LED light that multiple colors can be used in area source is realized, can also pass through monochrome
LED light is realized plus color conversion film, can be selected according to the actual situation.
Regardless of being to issue from a plane using above-mentioned any implementation, because also by light in above-described embodiment
Source part is known as area source.Fig. 2 is a kind of schematic diagram of display backlight shown according to an exemplary embodiment, and Fig. 3 is basis
A kind of schematic diagram of the backlight of area source shown in one exemplary embodiment.As shown in Fig. 2, in current display backlight, light
After LED sending, leaded light is carried out by light guide plate (Light Guide Plate, LGP), light is led into display portion.Such as
Shown in Fig. 3, in the present solution, including multiple luminescence units on area source, formed between each luminescence unit and light-emitting substrate plane
Different angles, the i.e. light of all angles in Fig. 1 shown in arrow, the principle that 3D display is formed in the program are to allow bottom surface
The sequential formation certain angle of the LED lamp of installation so that into right and left eyes optics from different luminescence units, pass respectively
Enter different display contents, obtains 3D display effect.
Fig. 4 is the structural schematic diagram of liquid crystal display device embodiment two shown according to an exemplary embodiment, such as Fig. 4 institute
Show, on the basis of the above embodiments, one kind of the liquid crystal display device in the specific implementation, each display unit to further including
The side for being located at area source between two display units in the display unit pair is arranged in light shielding block, the light shielding block.
Optionally, the light screening material which can choose black is realized.
Wherein, the black light shielding block in display unit is used for the completely isolated light into right and left eyes, avoids interfering, more preferably
Formation 3D effect.However the light shielding block of the black echoes show that the brightness of content has an impact to a certain extent, compared to direct
It is shown using 2D, the 3D display picture brightness carried out by this way can reduce, i.e., dimmed.
As shown in the figure, for each display unit pair, including two display units different hairs is shown respectively
In general the light of light unit can respectively correspond the different angle of the same display content, to realize that right and left eyes are seen
Different effects, however, when this realizes 3D display effect with this solution, resolution ratio meeting drop by half, wherein each display is single
Member not merely refers to a display pixel (pixel), and effect is relatively preferable if capable of being made into single display pixel.In the specific implementation,
Each display unit can also be realized by a display pixel groups, i.e., including multiple display pixels, also can be realized
Above-mentioned display function.
As shown in figure 4, the liquid crystal display device another kind in the specific implementation, every three luminescence units be one group,
The relatively described light-emitting substrate plane in middle two sides has the luminescence unit of default angle to be used to shine in 3D display, and interphase is for institute
The luminescence unit that the angle for stating light-emitting substrate plane is zero is used to shine in 2D display.
The program is meant that, 3 luminescence units are 1 group, and when 3D display, angled LED light shines, when 2D is shown
When, intermediate LED light shines, and realizes the switching of 2D/3D.The light emission luminance for testing intermediate LED is slightly larger than other two, and whole is bright
It is little to spend variation.
The liquid crystal display device that the embodiment of the present disclosure provides, can show 2D resource, can also show to 3D resource,
Different display modes can be selected according to actual resource type, realize that the switching between 2D and 3D is shown.
On the basis of any of the above-described a embodiment, one kind of the liquid crystal display device is in the specific implementation, each list that shines
Member predetermined angle be according to user between the liquid crystal display device viewing distance and the luminescence unit distance described in
User's viewing angle is determined.It is illustrated below by a specific example.
Fig. 5 is the light path schematic diagram of a pair of of luminescence unit shown according to an exemplary embodiment, and Fig. 6 is according to an example
Property implement the light path schematic diagram of multipair luminescence unit and display unit exemplified.As shown in Figure 5 and Figure 6, into right and left eyes
Light needs just to match the angle of luminescence unit.And showing structure difference, light has different foldings by different materials
Reflected line is penetrated, but is all relatively-stationary.Simplify the light route of other materials, only considers that the light of luminescence unit enters a left side
Right eye, to illustrate the calculating of LED tilt angle.
As shown below, from current angular, into the optics of right and left eyes, if necessary to from different luminescence units, that
Distance between assuming two is 60mm, and the distance from eyes to light levels position is 200mm, and each luminescence unit is (in figure
It is red) radius be that the angle of 0.05mm so luminescence unit and horizontal position is set as α, all α in figure are identical big
It is small.If the length of the lines marked in figure is c.
So from the point of view of the small right angled triangle that luminescence unit is formed with ground:
Tg α=(c^2+0.05^2) ^0.5/0.05；
From the point of view of maximum triangle:
Tg α=(60/2+c)/200；
Two equations, two unknown numbers, the size that can calculate the angle α is about 9 °.Here it is simple computation, illustrates this
Angle is can to determine the tilt angle of individual relative to viewing angle by confirmation viewing distance and luminescence unit.
By the technical solution of above-mentioned offer, the 3D2D of the single-view of realization is changed.Eyes necessarily are in fixed position,
The effect of 3D can be just generated, and this programme can be used for generating the 3D scheme of multi-angle of view.
Generating multi-angle of view will have the visual field data of continuous multiple angles to generate, and eyes move in these visual fields,
Though where the effect of 3D can be formed, as long as eyes are located in the range of dark color display unit in left side shown in fig. 6,
3D image can be formed.If certain eyes, which are located at 3D effect at wave crest, to get well, it is in trough, 3D effect can be poor.
In the present solution, using the 3D effect for forming multi-angle of view with area source.Form the 3D effect of multi-angle of view, it is desirable that several views
Angle requires several corresponding LED luminescence units.Such as 4 visual angles can be realized with the luminous matrix unit of 2x2.9 views
Angle can be realized with 3x3 matrix units.According to the realization demand at visual angle, the light emitting angle of LED light is adjusted, is realized similar
Following luminescence unit: the light in a unit is respectively facing different angles, and corresponding subtense angle is less than between each visual angle
6.3°
The corresponding display content of luminescence unit will show the display content at corresponding visual angle respectively simultaneously, that is to say, that generate more
Few visual angle shows that the resolution ratio of content just reduces how many times.Such as 1 object of display, the resolution ratio of 2D is 120x120
Words, then the 3D at 1 visual angle, the resolution ratio of display is exactly 120x60, and the 3D display resolution ratio at 4 visual angles is exactly 60x60.
Liquid crystal display device disclosed in the embodiment of the present application tilts certain angle by luminescence unit and generates different angle
Light source, to be sent into different pictures to left eye and right eye, generate front and back not so that the light into left eye and right eye is different
3D display is realized in same focusing.Different luminescence units can be switched simultaneously, realize that 2D is shown and the switching of 3D display, raising
User experience.
Those skilled in the art after considering the specification and implementing the invention disclosed here, will readily occur to of the invention its
Its embodiment.This application is intended to cover any variations, uses, or adaptations of the invention, these modifications, purposes or
Person's adaptive change follows general principle of the invention and including the undocumented common knowledge in the art of the disclosure
Or conventional techniques.The description and examples are only to be considered as illustrative, and true scope and spirit of the invention are wanted by right
Book is asked to point out.
It should be understood that the present invention is not limited to the precise structure already described above and shown in the accompanying drawings, and
And various modifications and changes may be made without departing from the scope thereof.The scope of the present invention is only limited by appended claims
System.
Claims (9)
1. a kind of liquid crystal display device characterized by comprising
Area source and display portion；
The area source includes light-emitting substrate plane, is provided with multiple luminescence units in the light-emitting substrate plane, each to shine
Unit includes at least one Light-emitting diode LED light source；Each luminescence unit forms predetermined angle in sequence, uses so as to enter
The optical information of family right and left eyes is from different luminescence units；
The display portion includes multiple display units pair；Two display units of each display unit centering are shown not respectively
Same optical information, the optical information that described two display units are shown is the different angles of the same content from different luminescence units
The optical information of degree.
2. liquid crystal display device according to claim 1, which is characterized in that each display unit is to further including shading
The side for being located at area source between two display units in the display unit pair is arranged in block, the light shielding block.
3. liquid crystal display device according to claim 1, which is characterized in that the LED light source uses RGB RGB's
LED light is realized.
4. liquid crystal display device according to claim 1, which is characterized in that the LED light source using blue LED lamp and
Color is converted film and is realized.
5. liquid crystal display device according to claim 1, which is characterized in that the LED light source using white LED lamp and
Color is converted film and is realized.
6. liquid crystal display device according to claim 1, which is characterized in that every three luminescence units are one group, wherein two
The relatively described light-emitting substrate plane in side has the luminescence unit of default angle to be used to shine in 3D display, and interphase is for the hair
The luminescence unit that the angle of photopolymer substrate plane is zero is used to shine in 2D display.
7. liquid crystal display device according to any one of claims 1 to 6, which is characterized in that each luminescence unit is preset
Angle be according to user between the liquid crystal display device viewing distance and the luminescence unit observe apart from the user
What angle was determined.
8. liquid crystal display device according to claim 2, which is characterized in that the light shielding block is black.
9. liquid crystal display device according to claim 1, which is characterized in that each display list of the display unit centering
Member includes a display pixel or a pixel group；Each pixel group includes multiple display pixels.
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| CN201811512573.7A CN109358432B (en) | 2018-12-11 | 2018-12-11 | Liquid crystal display device having a plurality of pixel electrodes |
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| CN201811512573.7A CN109358432B (en) | 2018-12-11 | 2018-12-11 | Liquid crystal display device having a plurality of pixel electrodes |
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| CN104769485A (en) * | 2012-11-16 | 2015-07-08 | 皇家飞利浦有限公司 | Autostereoscopic display device |
| CN105527718A (en) * | 2016-01-19 | 2016-04-27 | 中山大学 | Naked-eye 3D display method, display system and simulation analysis method of display system |
| CN107908014A (en) * | 2017-12-28 | 2018-04-13 | 广州弥德科技有限公司 | A kind of large scale directive property backlight bore hole 3D display system |
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|---|---|---|---|---|
| CN104769485A (en) * | 2012-11-16 | 2015-07-08 | 皇家飞利浦有限公司 | Autostereoscopic display device |
| CN104216130A (en) * | 2014-09-16 | 2014-12-17 | 中山大学 | Naked eye 3D display method, device and system with adjustable depth of visual area |
| CN105527718A (en) * | 2016-01-19 | 2016-04-27 | 中山大学 | Naked-eye 3D display method, display system and simulation analysis method of display system |
| CN107908014A (en) * | 2017-12-28 | 2018-04-13 | 广州弥德科技有限公司 | A kind of large scale directive property backlight bore hole 3D display system |
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