CN206618926U - A kind of backlight and display device - Google Patents
A kind of backlight and display device Download PDFInfo
- Publication number
- CN206618926U CN206618926U CN201720160507.2U CN201720160507U CN206618926U CN 206618926 U CN206618926 U CN 206618926U CN 201720160507 U CN201720160507 U CN 201720160507U CN 206618926 U CN206618926 U CN 206618926U
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- light
- light source
- backlight
- display panel
- liquid crystal
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Abstract
This application discloses a kind of backlight and display device, the emitting brightness to improve display panel, and then improve Consumer's Experience.A kind of backlight that the embodiment of the present application is provided, the backlight includes：Substrate and the light source on the substrate in array distribution；The light source is corresponded with the sub-pixel on display panel.
Description
Technical field
The application is related to display technology field, more particularly to a kind of backlight and display device.
Background technology
Current liquid crystal display (Liquid Crystal Display, LCD) will have an additional backlight to come to liquid crystal
Display panel provides light source, and general, it is necessary to which independent do a kind of backlight, the backlight includes light emitting diode (Light
Emitting Diode, LED) or the light source such as fluorescent tube, include light guide plate, the light modulation material, most end form such as blooming piece
Illumination is provided into uniform area source to panel.But, using the liquid crystal display of existing backlight, its display panel goes out light
Degree is not high, influences Consumer's Experience.
Utility model content
The embodiment of the present application provides a kind of backlight and display device, and the emitting brightness to improve display panel is entered
And improve Consumer's Experience.
A kind of backlight that the embodiment of the present application is provided, the backlight includes：Substrate and on the substrate
In the light source of array distribution；The light source is corresponded with the sub-pixel on display panel；Wherein described display panel is located at institute
State on backlight.
The backlight that the embodiment of the present application is provided, by the way that the sub-pixel on light source and display panel is corresponded, so that
The brightness from the light of each sub-pixel outgoing is improved, the emitting brightness of display panel is improved, and then Consumer's Experience can be improved.
It is preferred that the emergent light color of at least one light source is consistent with corresponding sub-pixel colors.
The backlight that the embodiment of the present application is provided, the emergent light color of at least one light source and corresponding sub-pixel face
Color is consistent, so as to need not set colored filter in display panel, so as to reduce the emergent light of light source to corresponding
The optical filtering loss of sub-pixel, improves the brightness for the light for inciding corresponding sub-pixel, improves the emitting brightness of display panel, Jin Erti
High Consumer's Experience.
It is preferred that the backlight also includes light convergent geometry, the smooth convergent geometry is used for each light source outgoing
Light converges to subpixel area corresponding with the light source.
The backlight that the embodiment of the present application is provided, by setting light convergent geometry, it is possible to achieve to the light source outgoing
Light is controlled, and the sub-pixel outside respective color subpixel area is incided so as to the light that avoids the light source outgoing
The different subpixel mixed light that region is caused, and then the resolution ratio of display panel can be improved, improve Consumer's Experience.
It is preferred that the smooth convergent geometry includes：Light trap wall, and/or lens arrangement.
It is preferred that the backlight also includes：Reflective polarizing structures on the light source, the polarization by reflection knot
The light wave of default polarization direction that structure is used to sending light source incides corresponding subpixel area, and by other polarization directions
Light wave reflection light echo source, the refraction through light source, reflection change polarization direction after outgoing again.
The backlight that the embodiment of the present application is provided, by setting the reflective polarizing structures, so as to get up to display panel
Light is polarised light, at the same can also to light source can not be reflected back by the light of other polarization directions of the reflective polarizing structures,
Allow other polarization directions refraction of the light through light source, reflection change polarization direction after outgoing again, so as to improve
The light utilization ratio of the light source.
It is preferred that the reflective polarizing structures include metal wire gate layer.
A kind of display device that the embodiment of the present application is provided, the display device includes：The back of the body that the embodiment of the present application is provided
Light source, and the display panel on the backlight.
It is preferred that the display panel is liquid crystal display panel.
It is preferred that the liquid crystal display panel includes：Down polaroid, the infrabasal plate on the down polaroid, position
Liquid crystal layer on the infrabasal plate, the upper substrate on the liquid crystal layer and upper on the upper substrate
Polaroid.
It is preferred that the liquid crystal display panel also includes：
Color filter layers, the color filter layers are located between the infrabasal plate and the liquid crystal layer, or are located at
Between the liquid crystal layer and the upper substrate.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme in the embodiment of the present application, make required in being described below to embodiment
Accompanying drawing is briefly introduced, it should be apparent that, drawings in the following description are only some embodiments of the present application, for this
For the those of ordinary skill in field, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
A kind of back light source structure schematic diagram that Fig. 1 provides for the embodiment of the present application；
Light source shows with the one-to-one structure of display panel pixel in a kind of backlight that Fig. 2 provides for the embodiment of the present application
It is intended to；
Light source and the one-to-one structure of display panel pixel in second of backlight that Fig. 3 provides for the embodiment of the present application
Schematic diagram；
Light source and the one-to-one structure of display panel pixel in the third backlight that Fig. 4 provides for the embodiment of the present application
Schematic diagram；
Light source and the one-to-one structure of display panel pixel in the 4th kind of backlight that Fig. 5 provides for the embodiment of the present application
Schematic diagram；
The structural representation for the 5th kind of backlight that Fig. 6 provides for the embodiment of the present application；
The light source for the 6th kind of backlight that Fig. 7 provides for the embodiment of the present application and wire grating structural representation；
Light source and the one-to-one structure of display panel pixel in the 7th kind of backlight that Fig. 8 provides for the embodiment of the present application
Schematic diagram；
Light source and the one-to-one structure of display panel pixel in the 8th kind of backlight that Fig. 9 provides for the embodiment of the present application
Schematic diagram；
The structural representation for the first display device that Figure 10 provides for the embodiment of the present application；
The structural representation for second of display device that Figure 11 provides for the embodiment of the present application；
The structural representation for the third display device that Figure 12 provides for the embodiment of the present application；
The structural representation for the 4th kind of display device that Figure 13 provides for the embodiment of the present application；
The structural representation for the 5th kind of display device that Figure 14 provides for the embodiment of the present application；
The structural representation for the 6th kind of display device that Figure 15 provides for the embodiment of the present application；
The structural representation for the 7th kind of display device that Figure 16 provides for the embodiment of the present application.
Embodiment
The embodiment of the present application provides a kind of backlight and display device, and the emitting brightness to improve display panel is entered
And improve Consumer's Experience.
A kind of backlight that the embodiment of the present application is provided, as shown in figure 1, the backlight includes：Substrate 1 and positioned at institute
State the light source 2 in array distribution on substrate 1；As shown in Fig. 2 display panel 3 is located on light source 2, the light source 2 and display
Sub-pixel 4 on panel 3 is corresponded, the line with arrow in figure, represents the light that light source is sent.
The backlight that the embodiment of the present application is provided, by the way that the sub-pixel on light source and display panel is corresponded, so that
The brightness from the light of each sub-pixel outgoing is improved, the emitting brightness of display panel is improved, and then Consumer's Experience can be improved.
It is preferred that the size of light source is less than the size of sub-pixel, the size of the size of light source can be according to the chi of sub-pixel
Depending on very little actual conditions, the embodiment of the present application is not limited.
It is preferred that drive circuit can also be provided for the light source, on the substrate 1 so as to realize to light source luminescent
Region is controlled, for example, with control section light source luminescent or can control all light source luminescents.The drive circuit is specific such as
What set, can be according to actual conditions depending on.
It is preferred that the emergent light color of at least one light source is consistent with corresponding sub-pixel colors.
It should be noted that being set in the case of being white light in the emergent light of light source, it is necessary in display panel colored
Optical filter make it that the color for the light for inciding the sub-pixel is corresponding with the color of the sub-pixel, and white light is filtered through colored filter
Only be left a kind of light of color afterwards, for example, white light only remaining feux rouges after the filtering of Red lightscreening plate, the light of its all band without
Method still, is set colorized optical filtering sector-meeting to cause the loss that filters, is reduced to the brightness up to the light of sub-pixel by colored filter.
When the emergent light color of light source is consistent with corresponding sub-pixel colors, relevant position that just can not be in display panel is set
The optical filter of respective color, so that from the light of light source outgoing, be not present in the process for inciding corresponding sub-pixel by coloured silk
The optical filtering loss that colo(u)r filter is caused, so as to improve the brightness for the light for inciding corresponding sub-pixel, and then can be improved aobvious
Show the emitting brightness of panel.
It should be noted that the emergent light color of light source need to be configured according to actual conditions.All light sources can be made
Emergent light color is consistent with corresponding sub-pixel colors, can also make the emergent light color and corresponding sub-pixel face of part light source
Color is consistent, and when only the emergent light color of part light source is consistent with corresponding sub-pixel colors, i.e. the emergent light of part light source is
White light in the respective regions of display panel, it is necessary to set colored filter, or all set colorized optical filtering in whole pixel region
Piece can also.One pixel can be made up of the sub-pixel of different colours, and the color of sub-pixel needs to carry out according to actual needs
The sub-pixel of setting, such as three sub-pixels of red, green, blue, or more colors.
The embodiment of the present application is carried exemplified by red sub-pixel, green and blue subpixels are constituted by each pixel below
The backlight of confession is illustrated.
As shown in figure 3, light source 8, light source 9, light source 10 respectively with red sub-pixel 5, green sub-pixels 6, blue subpixels 7
Correspondence.Light source 8, light source 9, the difference of light source 10 outgoing feux rouges, green glow, the emergent light face of all light sources in blue light, i.e. backlight
Color is consistent with corresponding sub-pixel colors, and backlight as shown in Figure 3, which is applied in display device, can realize the display
The colored display of device, while the emitting brightness of the display device can be improved.
Backlight as shown in Figure 3, can also make light source 9 and light source 10 distinguish outgoing green glow and blue light, the outgoing of light source 8 is white
Light, while needing to set Red lightscreening plate with the corresponding sub-pixel position of light source 8 in display panel, can equally realize colour
Display.
It should be noted that the sub-pixel in display panel can have various arrangement mode, what the embodiment of the present application was provided
The arrangement mode of red sub-pixel, green sub-pixels and blue subpixels is the possible arrangement mode of one of which, sub- picture
The arrangement mode of element is needed to be configured according to actual needs, and accordingly, the emergent light color of light source is also required to and sub-pixel
Arrangement mode is corresponding.
The backlight that the embodiment of the present application is provided, the emergent light color of at least one light source and corresponding sub-pixel face
Color is consistent, so as to need not set colored filter in display panel, so as to reduce the emergent light of light source to corresponding
The optical filtering loss of sub-pixel, improves the brightness for the light for inciding corresponding sub-pixel, and then improve Consumer's Experience.
It is preferred that the backlight also includes light convergent geometry, the smooth convergent geometry is used for each light source outgoing
Light converges to subpixel area corresponding with the light source.
The backlight that the embodiment of the present application is provided, by setting light convergent geometry, it is possible to achieve to the light source outgoing
Light is controlled, and the sub-pixel outside respective color subpixel area is incided so as to the light that avoids the light source outgoing
The different subpixel mixed light that region is caused, and then the resolution ratio of display panel can be improved, improve Consumer's Experience.
It is preferred that the smooth convergent geometry includes：Light trap wall, and/or lens arrangement.Certainly, the smooth convergent geometry
Can be that other can realize the device for entering line convergence to the light of the light source outgoing, so as to avoid the light source outgoing
Light incide the structure in the region outside corresponding sub-pixel colors.
It should be noted that light trap wall or lens arrangement can be corresponded with each light source, for example, can be in each light
Light trap wall is respectively provided with around source, or lens arrangement is respectively provided with each light source；Light trap wall or lens arrangement can also be with
The subpixel area of each color is corresponded, for example, when the corresponding sub-pixel colors of adjacent multiple light sources are identical, can be with
Light trap wall is set around the adjacent multiple light sources, or lens arrangement is set on the adjacent multiple light sources；
As long as the set-up mode of light trap wall or lens arrangement can avoid the light of light source outgoing from inciding outside corresponding sub-pixel colors
Region.
As shown in figure 4, light trap wall 11 is separately positioned on around light source 8,9,10 so that the emergent light of light source 8 is only incided
The region of red sub-pixel 5, the emergent light of light source 9 only incides the region of green sub-pixels 6, and the emergent light of light source 10 is only incident
To the region of blue subpixels 7.
As shown in figure 5, lens arrangement 12 can also be set on light source 8,9,10 respectively so that the emergent light of light source 8
The region of red sub-pixel 5 is only incided, the emergent light of light source 9 only incides the region of green sub-pixels 6, the outgoing of light source 10
Light only incides the region of blue subpixels 7.
It should be noted that when light convergent geometry includes lens arrangement, meeting of the same lens to the light of different colours
Poly- effect is different, in order to avoid the light of the light source outgoing incides the region outside corresponding sub-pixel colors, on light source
The parameter (focal length of such as lens arrangement) of the lens arrangement of setting need to accordingly be set according to the wave band of the light source emergent light
Put.Set-up mode as shown in Figure 5 can certainly be used, i.e., same lens knot is set in the subpixel area of different colours
Structure 12, when using same lens arrangement for all light sources, it is necessary to so that lens arrangement meets the sub- picture of each color
The light of light source outgoing in plain area all only incides the subpixel area of respective color after lens convergence.
Lens arrangement is set above light trap wall, another part light source alternatively, it is also possible to be set around a part of light source, also may be used
To realize convergence of rays effect.
It should be noted that the lens arrangement for example can be positive lens, negative lens, planoconvex lens, Fresnel Lenses or
Person's micro-nano structure grating etc..
It is preferred that as shown in fig. 6, the backlight also includes：Reflective polarizing structures 13 on the light source, institute
The light wave for stating default polarization direction of the reflective polarizing structures for light source to be sent incides corresponding subpixel area, and will
The light wave reflection light echo source of other polarization directions, outgoing again after the reflection through light source, refraction change polarization direction.
The backlight that the embodiment of the present application is provided, by setting the reflective polarizing structures, so as to get up to display panel
Light is polarised light, at the same can also to light source can not be reflected back by the light of other polarization directions of the reflective polarizing structures,
Allow other polarization directions refraction of the light through light source, reflection change polarization direction after outgoing again, so as to improve
The light utilization ratio of the light source.
It is preferred that the reflective polarizing structures include metal wire gate layer (or being metal grating structure).Need explanation
It is that metal wire gate layer can be laid on light source with flood, only can also be separately provided on each light source, as shown in fig. 7,
Metal wire gate layer 14 is separately set on light source 2.Reflection of the light Jing Guo metal wire gate layer, light source is incided again, and pass through
The principle for crossing outgoing again after the refraction of light source, reflection belongs to prior art, will not be repeated here.
It should be noted that the default polarization direction described in the embodiment of the present application, can be decided according to the actual requirements, tool
Body by the light wave of which polarization direction by metal grating structure, can be by setting screen periods, depth and material etc.
Design parameter realizes that the application do not limit.
It should be noted that the set-up mode for the backlight that the embodiment of the present application is provided can in any combination, backlight can
With simultaneously including light convergent geometry and reflective polarizing structures, so as to while sub-pixel mixed light is prevented, lift light source
Light utilization ratio.For example, as shown in figure 8, metal wire gate layer 14 is set on light source 8, while setting light around light source 8
Barricade 11；Or as shown in figure 9, lens arrangement 12 is set in metal wire gate layer 14.
It is preferred that the backlight as shown in Fig. 1~9 that the embodiment of the present application is provided, the light source for example can be luminous
Diode (Light Emitting Diode, LED).Certainly, the light source can also be other kinds of light source, be not limited to
LED。
A kind of display device that the embodiment of the present application is provided, the display device includes：The back of the body that the embodiment of the present application is provided
Light source, and the display panel on the backlight.
For example, as shown in Figure 10, display device includes：Substrate 1, the light source 2 on substrate 1 and positioned at light source 2
On display panel 3.
It is preferred that the display panel is liquid crystal display panel.
It is preferred that as shown in figure 11, the liquid crystal display panel includes：Down polaroid 15, positioned at the down polaroid 15
On infrabasal plate 16, the liquid crystal layer 17 on the infrabasal plate 16, the upper substrate 18 on the liquid crystal layer 17
And the upper polaroid 19 on the upper substrate 18.Light source 8,9,10 respectively at the red sub-pixel 5 in liquid crystal layer 17,
Green sub-pixels 6, the correspondence of blue subpixels 7.
It is preferred that the liquid crystal display panel also includes：
Color filter layers, as shown in figure 12, the color filter layers 20 are located at the infrabasal plate and the liquid crystal layer
Between, or as shown in figure 13, the color filter layers 20 are located between the liquid crystal layer and the upper substrate.Need explanation
, colored filter, which can be used for filtering white light, is left the light consistent with sub-pixel colors, can also be in all light sources
Go out light color it is all consistent with corresponding sub-pixel colors in the case of make it is photochromic purer.Therefore, when the emergent light that there is the light source
In the case of for white light, it is necessary to liquid crystal display panel set colored filter, when all light sources go out light color all with accordingly
In the case that sub-pixel colors are consistent, colored filter can be set, colored filter can also be not provided with.
As shown in figure 14, the display device that the embodiment of the present application is provided, in addition to the light trap wall around light source.
As shown in figure 15, the display device that the embodiment of the present application is provided, in addition to the lens arrangement above light source.
As shown in figure 16, the display device that the embodiment of the present application is provided, in addition to the metal wire gate layer on light source
14, due to being polarised light from the light of the metal wire gate layer outgoing, also, the effect of the lower polarizer of liquid crystal display panel is also
So that the light for reaching wire grating is polarised light, therefore, liquid crystal display panel can remove down polaroid.
In summary, the embodiment of the present application is provided backlight and display device, by by light source and display panel
Sub-pixel correspond, so as to improve the brightness of the light from each sub-pixel outgoing, improve the emitting brightness of display panel, enter
And Consumer's Experience can be improved.The emergent light color of at least one light source is consistent with corresponding sub-pixel colors, so that
Colored filter need not be set in display panel, damaged so as to reduce the optical filtering of emergent light to corresponding sub-pixel of light source
Consumption, improves the brightness for the light for inciding corresponding sub-pixel, and then improve Consumer's Experience.By setting light convergent geometry, Ke Yishi
Now the light of the light source outgoing is controlled, the sub- picture of respective color is incided so as to the light that avoids the light source outgoing
The different subpixel mixed light that subpixel area outside plain region is caused, and then the resolution ratio of display panel can be improved, improve
Consumer's Experience.By setting the reflective polarizing structures, so as to get the light up to display panel is polarised light, while can also be to nothing
Method is reflected back light source by the light of other polarization directions of the reflective polarizing structures so that the light of other polarization directions can be through
Refraction, the reflection of light source change outgoing again behind polarization direction, so as to improve the light utilization ratio of the light source, Jin Erke
To improve the light utilization ratio of display device.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the application to the application
God and scope.So, if these modifications and variations of the application belong to the scope of the application claim and its equivalent technologies
Within, then the application is also intended to comprising including these changes and modification.
Claims (8)
1. a kind of backlight, it is characterised in that the backlight includes：Substrate and on the substrate be in array distribution
Light source；The light source is corresponded with the sub-pixel on display panel；Wherein described display panel be located at the backlight it
On；
The emergent light color of at least one light source is consistent with corresponding sub-pixel colors；
The backlight also includes light convergent geometry, and the smooth convergent geometry is used to converge to the light of each light source outgoing with being somebody's turn to do
The corresponding subpixel area of light source.
2. backlight according to claim 1, it is characterised in that the smooth convergent geometry includes：Light trap wall, and/or thoroughly
Mirror structure.
3. backlight according to claim 1, it is characterised in that the backlight also includes：On the light source
Reflective polarizing structures, the light wave of default polarization direction that the reflective polarizing structures are used to sending light source incides corresponding
Subpixel area, and by the light wave reflection light echo source of other polarization directions, after the refraction through light source, reflection change polarization direction
Outgoing again.
4. backlight according to claim 3, it is characterised in that the reflective polarizing structures include metal wire gate layer.
5. a kind of display device, it is characterised in that the display device includes：Described in Claims 1 to 4 any claim
Backlight, and the display panel on the backlight.
6. device according to claim 5, it is characterised in that the display panel is liquid crystal display panel.
7. device according to claim 6, it is characterised in that the liquid crystal display panel includes：Down polaroid, positioned at institute
State the infrabasal plate on down polaroid, the liquid crystal layer on the infrabasal plate, the upper substrate on the liquid crystal layer
And the upper polaroid on the upper substrate.
8. device according to claim 7, it is characterised in that the liquid crystal display panel also includes：
Color filter layers, the color filter layers are located between the infrabasal plate and the liquid crystal layer, or positioned at described
Between liquid crystal layer and the upper substrate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720160507.2U CN206618926U (en) | 2017-02-22 | 2017-02-22 | A kind of backlight and display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720160507.2U CN206618926U (en) | 2017-02-22 | 2017-02-22 | A kind of backlight and display device |
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| CN206618926U true CN206618926U (en) | 2017-11-07 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108107502A (en) * | 2017-12-21 | 2018-06-01 | 吴丽莹 | A kind of glass light guide plate |
| CN108803136A (en) * | 2018-04-27 | 2018-11-13 | 厦门天马微电子有限公司 | Backlight module and display device |
| CN109143683A (en) * | 2018-09-26 | 2019-01-04 | 深圳市华星光电半导体显示技术有限公司 | A kind of display device |
| CN109212829A (en) * | 2018-07-27 | 2019-01-15 | 江苏如高第三代半导体产业研究院有限公司 | A kind of two-dimensional quadrature polarization structure of enhanced region delustring |
| CN115291432A (en) * | 2022-08-17 | 2022-11-04 | 惠科股份有限公司 | Backlight module and display device |
| WO2023123156A1 (en) * | 2021-12-30 | 2023-07-06 | 华为技术有限公司 | Backlight display assembly and electronic device |
-
2017
- 2017-02-22 CN CN201720160507.2U patent/CN206618926U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108107502A (en) * | 2017-12-21 | 2018-06-01 | 吴丽莹 | A kind of glass light guide plate |
| CN108803136A (en) * | 2018-04-27 | 2018-11-13 | 厦门天马微电子有限公司 | Backlight module and display device |
| CN108803136B (en) * | 2018-04-27 | 2021-02-09 | 厦门天马微电子有限公司 | Backlight module and display device |
| CN109212829A (en) * | 2018-07-27 | 2019-01-15 | 江苏如高第三代半导体产业研究院有限公司 | A kind of two-dimensional quadrature polarization structure of enhanced region delustring |
| CN109143683A (en) * | 2018-09-26 | 2019-01-04 | 深圳市华星光电半导体显示技术有限公司 | A kind of display device |
| WO2023123156A1 (en) * | 2021-12-30 | 2023-07-06 | 华为技术有限公司 | Backlight display assembly and electronic device |
| CN115291432A (en) * | 2022-08-17 | 2022-11-04 | 惠科股份有限公司 | Backlight module and display device |
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