WO2018161669A1 - 一种背光模组和液晶显示设备 - Google Patents
一种背光模组和液晶显示设备 Download PDFInfo
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- WO2018161669A1 WO2018161669A1 PCT/CN2017/115502 CN2017115502W WO2018161669A1 WO 2018161669 A1 WO2018161669 A1 WO 2018161669A1 CN 2017115502 W CN2017115502 W CN 2017115502W WO 2018161669 A1 WO2018161669 A1 WO 2018161669A1
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- convex lens
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- light
- structure layer
- backlight module
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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
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
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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
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/10—Beam splitting or combining systems
- G02B27/1006—Beam splitting or combining systems for splitting or combining different wavelengths
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/10—Beam splitting or combining systems
- G02B27/12—Beam splitting or combining systems operating by refraction only
- G02B27/126—The splitting element being a prism or prismatic array, including systems based on total internal reflection
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/0006—Arrays
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/04—Prisms
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/04—Prisms
- G02B5/045—Prism arrays
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
- G02B6/003—Lens or lenticular sheet or layer
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
- G02B6/0053—Prismatic sheet or layer; Brightness enhancement element, sheet or layer
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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
- G02F1/133526—Lenses, e.g. microlenses or Fresnel lenses
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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
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
- G02F1/133607—Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses
Definitions
- This document relates to, but is not limited to, liquid crystal display technology, especially a backlight module and a liquid crystal display device.
- the liquid crystal display device includes an array substrate, a color filter substrate, a liquid crystal layer between the two, a backlight, a polarizer, and the like.
- the color filter substrate includes a plurality of color sub-pixels, and is generally disposed as a red, green, and blue sub-pixel.
- the light incident from the backlight passes through the color filter substrate to transmit light of the corresponding sub-pixel color, thereby realizing color display.
- the transmittance of the liquid crystal display device is affected by factors such as backlight light, transmittance of the polarizer, transmittance of the liquid crystal layer, transmittance of the color film, and aperture ratio.
- the color sub-pixels of the color film absorb other colors of light, and the transmittance thereof is transparent. The rate of passing is only about 30%, and the utilization of light is low.
- This paper provides a backlight module, which has high light utilization rate and good transmittance, good energy efficiency utilization, can reduce energy consumption, and can solve the problem of low utilization of light in related technologies.
- a backlight module includes: a backlight structure layer; a first convex lens structure layer, a second convex lens structure layer and a prism layer disposed on the light exit side of the backlight structure layer; wherein: The first convex lens structure layer and the second convex lens structure layer are used for condensing parallel rays emitted by the backlight structure layer into parallel beams; the prism layer is for refracting light of different colors in the parallel beam Go to the sub-pixel of the corresponding color.
- the backlight module further includes: a refractive layer disposed between the second convex lens structure layer and the prism layer for refracting the parallel light beam onto the prism layer.
- the first convex lens structure layer is provided with a plurality of first convex lenses
- the second convex lens structure layer is provided with a plurality of second convex lenses
- the prism layer is provided with a plurality of prisms
- the First a convex lens has a diameter larger than a diameter of the second convex lens, and a focal point of the opposite side of the first convex lens and the second convex lens coincides;
- the first convex lens is used to focus parallel rays emitted by the backlight structure layer to a focus of the second convex lens; that is, the first convex lens is used to emit parallel rays of the backlight structure layer. Focusing on the second convex lens is close to the focus of the first convex lens.
- the second convex lens is configured to converge the divergent rays emitted from the focus (that is, the focus of the second convex lens close to the first convex lens) into a parallel beam and emit the light onto the refractive layer;
- the refractive layer is for refracting the parallel beam such that the parallel beam is incident on the prism at a particular angle.
- the plurality of first convex lenses are arranged in a matrix
- the plurality of second convex lenses are arranged in a matrix
- the plurality of prisms are arranged in a matrix.
- the first convex lens and the second convex lens are both plano-convex lenses, and the convex surfaces of the first convex lens and the convex surface of the second convex lens are disposed adjacent to the backlight structure layer.
- the prism is a triangular prism.
- the light incident surface of the triangular prism is parallel to the light emitting surface of the refractive layer.
- the sub-pixels comprise a plurality of groups, and the plurality of first convex lenses, the plurality of second convex lenses, and the plurality of prisms are in one-to-one correspondence.
- the parallel light emitted by the backlight structure layer is white light including red light, green light, and blue light.
- the prism is used to separate light of different colors in the parallel beam by two refractions, and the refracted rays of different colors are vertically incident on the sub-pixels of the corresponding color.
- the backlight structure layer includes a light source and a light guide plate disposed in sequence, and the light guide plate is disposed adjacent to the first convex lens structure layer.
- the backlight structure layer comprises a light source and a light guide plate, and the light source is disposed at a side of the light guide plate.
- the backlight structure layer further includes a reflective layer, wherein the reflective layer is a film layer away from the first convex lens structure layer in the backlight structure layer, and a reflective surface of the reflective layer faces the first A convex lens structure layer.
- the present application further provides a liquid crystal display device, comprising the backlight module and the display panel according to any of the above embodiments, wherein the backlight module is configured to provide backlight for the display panel, and the display panel includes the Subpixel.
- the display panel includes a plurality of pixels, each of the pixels including a plurality of the sub-pixels of different colors.
- Each of the pixels includes at least three sub-pixels of different colors; and a plurality of prisms disposed on the prism layer and the plurality of pixels are in one-to-one correspondence.
- the at least three sub-pixels of different colors comprise a red sub-pixel, a green sub-pixel, and a blue sub-pixel.
- the diameter of the first convex lens is equal to the width of the pixel, and the diameter of the second convex lens is 1/3 to 1/2 of the diameter of the first convex lens.
- the display panel is a liquid crystal display panel.
- the parallel light emitted from the backlight structure layer is concentrated by the first convex lens structure layer and concentrated to the focus of the second convex lens structure layer, and passes through the second convex lens structure layer.
- the parallel rays After being converted into parallel beams, the parallel rays are converted from the original one side to the parallel state of the aggregated state.
- the parallel beams After the parallel beams pass through the prism layer, they are split by multiple refractions to refract light of different colors, and different colors of light are incident on the respective beams.
- the sub-pixels of the corresponding colors are used to improve the transmittance of light, thereby achieving the purpose of improving energy efficiency and reducing energy consumption of the product.
- FIG. 1 is a schematic structural diagram of a backlight module according to an embodiment of the present application.
- FIG. 2 is a partial structural schematic view of the backlight module shown in FIG. 1 in a light-emitting state
- FIG. 3 is another schematic structural diagram of a backlight module according to an embodiment of the present application.
- the backlight module provided in FIG. 1 and FIG. 2 includes: a backlight structure layer 1; a first convex lens structure layer 2 and a second convex lens structure layer 3 which are sequentially disposed on the light-emitting side of the backlight structure layer 1 And a prism layer 8; wherein: the first convex lens structure layer 2 and the second convex lens structure layer 3 are used to converge the parallel light rays 4 emitted by the backlight structure layer 1 into parallel light beams 5; Light of different colors within the parallel beam 5 is refracted onto the sub-pixels 9 of the respective colors.
- the parallel light rays 4 emitted from the backlight structure layer 1 are condensed by the first convex lens structure layer 2 and concentrated to the focus of the second convex lens structure layer 3 (the second convex lens structure layer 3)
- the focus of the lenticular lens is converted into a parallel beam 5 after passing through the second lenticular structure layer 3, and the parallel ray 4 is converted into an condensed state from the original uniform side, and the parallel beam 5 is further refracted by the prism layer 8 to achieve spectrometry.
- the light of different colors is reflected, and the light of different colors is respectively incident on the sub-pixels of the corresponding color, thereby improving the transmittance of the light, thereby achieving the purpose of improving energy efficiency utilization and reducing energy consumption of the product.
- the backlight module further includes: a refractive layer 7 disposed between the second convex lens structure layer 3 and the prism layer 8 for using the parallel
- the light beam 5 is refracted onto the prism layer 8 such that the parallel beam 5 incident perpendicularly to the refractive layer 7 is obliquely incident on the refractive layer 7, such that the parallel beam 5 is obliquely incident on the prism layer 8, better facilitating the refractive layer 8.
- the first convex lens structure layer 2 is provided with a plurality of first convex lenses
- the second convex lens structure layer 3 is provided with a plurality of second convex lenses
- the prism layer 8 is provided with a plurality of prisms
- the diameter of the first convex lens is larger than the diameter of the second convex lens (parallel light beams that realize a large cross-sectional area converge into a small cross-sectional area, and the cross-sectional area of the parallel light beam with a small cross-sectional area is small enough to be seen a light ray; wherein a focal point of the opposite side of the first convex lens and the second convex lens coincides (the diameter of the first convex lens in FIG.
- the first convex lens is configured to focus parallel rays emitted by the backlight structure layer to a focus of the second convex lens (the focus is a focus of a focus of the second convex lens near the first convex lens, and the focus is emitted Deriving scattered light, diverging light illuminates the second convex lens);
- the second convex lens Converging light emitted from the focus ie, the focus of the second convex lens near the first convex lens
- the refractive layer is used to refract the parallel a light beam such that the parallel light beam is incident on the prism at a specific angle;
- the prism is used to separate light of different colors in the parallel light beam by multiple refraction, and emit the refracted light of different colors to On the sub-pixel of the corresponding color.
- the parallel light ray 4 emitted by the backlight structure layer 1 passes through the first convex lens, is focused to the focus of the second convex lens, and passes through the second convex lens to emit a parallel light beam 5, the parallel light beam 5
- the refracting layer 7 is refracted onto the prism, and the prisms refract light of different colors in the parallel light beam 5 to the sub-pixel 9 of the corresponding color, thereby reducing light loss and enhancing light. Utilization.
- the plurality of first convex lenses may be arranged in a matrix, and the plurality of second convex lenses may also be arranged in a matrix, and the plurality of prisms may also be arranged in a matrix.
- the first convex lens and the second convex lens may each be a plano-convex lens, that is, the first convex lens and the second convex lens respectively have a plane and a convex surface, and the convex surface of the first convex lens and the convex surface of the second convex lens are close to the backlight.
- the source structure layer is disposed such that the plane of the first convex lens and the plane of the second convex lens are both disposed away from the backlight structure layer.
- the prism is a triangular prism, and a light incident surface of the triangular prism is parallel to a light emitting surface of the refractive layer 7, and two different colors of light in the parallel light beam 5 are separated by two refractions, at different positions. Different exit angles are reflected.
- the angle of deflection of the outgoing light on the prism relative to the incident light is:
- ⁇ is the angle of deflection of the outgoing light with respect to the incident light
- A is the incident angle of the light
- n is the refractive index of the prism
- light of different colors after being refracted by the prism layer 8 is perpendicularly incident on sub-pixels of corresponding colors (implemented by the above formula), thereby improving light transmittance and ensuring light. Good transmission.
- the sub-pixel includes a plurality of groups, a plurality of the first convex lens, a plurality of the second convex lenses, a plurality of the prisms, and a plurality of sets of the sub-pixels
- the parallel beam 5 includes three different colors of light
- any one of the sub-pixels includes a plurality of sub-pixels of different colors.
- any group of the sub-pixels includes three sub-pixels of different colors (the colors of the three different sub-pixels correspond to the colors of three different rays), and after one beam of the parallel beam 5 passes through the refractive layer 7 and the prism, Lights of three colors are refracted and correspondingly refracted to sub-pixels of three colors.
- any group The sub-pixel contains two sub-pixels of different colors (the colors of the two different sub-pixels correspond to the colors of two different rays).
- the colors of the three different colors and the sub-pixels of the three different colors may be red, green and blue.
- the backlight structure layer 1 includes a light guide plate 12, a light source 11 and a reflective layer 13 disposed in sequence, and the light guide plate 12 is disposed adjacent to the first convex lens structure layer 2, and a reflective surface of the reflective layer 13 faces the first convex lens structure.
- Layer 2
- the backlight structure layer 1 may include a light guide plate 12, a light source 11 and a reflective layer 13, and the light guide plate 12 and the reflective layer 13 are sequentially disposed, and the light guide plate 12 is disposed. Adjacent to the first convex lens structure layer 2, the reflective surface of the reflective layer 13 faces the first convex lens structure layer 2.
- the light source 11 is disposed on the side of the light guide plate 12.
- the liquid crystal display device includes the backlight module and the display panel according to any of the above embodiments, wherein the backlight module is configured to provide backlight for the display panel, and the display panel includes the sub-pixel.
- the display panel can be a liquid crystal display panel.
- the liquid crystal display device provided by the present application has all the advantages of the backlight module described in any of the above embodiments, and details are not described herein again.
- the display panel includes a plurality of pixels, each of the pixels including a plurality of the sub-pixels of different colors.
- each of the pixels includes at least three sub-pixels of different colors; and a plurality of prisms disposed on the prism layer are in one-to-one correspondence with the plurality of pixels, the at least three sub-pixels of different colors.
- the red sub-pixel, the green sub-pixel, and the blue sub-pixel are arranged in the same manner as the current pixel color of the liquid crystal display device, and are implemented in common.
- the diameter of the first convex lens is equal to the width of the pixel, that is, the sum of the widths of the three sub-pixels.
- the diameter of the second convex lens is 1/3 to 1/2 of the diameter of the first convex lens.
- the backlight module provided by the present application, the parallel light emitted from the backlight structure layer is concentrated by the first convex lens structure layer and concentrated to the focus of the second convex lens structure layer, and converted through the second convex lens structure layer.
- the parallel light is converted from the original one side to the parallel state of the concentrated state.
- the parallel beam passes through the prism layer and is refracted by multiple refractions to refract light of different colors.
- the light of different colors is incident on the corresponding color respectively.
- the transmittance of the light is increased, thereby improving the energy efficiency utilization and reducing the energy consumption of the product.
- connection may be a fixed connection, a detachable connection, or an integral connection. They can be directly connected or indirectly connected through an intermediate medium.
- connecting may be a fixed connection, a detachable connection, or an integral connection. They can be directly connected or indirectly connected through an intermediate medium.
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Abstract
Description
Claims (20)
- 一种背光模组,包括:背光源结构层;依次设置在所述背光源结构层出光侧的第一凸透镜结构层、第二凸透镜结构层和棱镜层;其中:所述第一凸透镜结构层和所述第二凸透镜结构层用于将所述背光源结构层发出的平行光线汇聚为平行光束;所述棱镜层用于将所述平行光束内不同颜色的光线折射到相应颜色的子像素上。
- 根据权利要求1所述的背光模组,还包括:折射层,设置在所述第二凸透镜结构层和所述棱镜层之间,用于将所述平行光束折射至所述棱镜层上。
- 根据权利要求2所述的背光模组,其特征在于,所述第一凸透镜结构层上设置有多个第一凸透镜,所述第二凸透镜结构层上设置有多个第二凸透镜,所述棱镜层上设置有多个棱镜,且所述第一凸透镜的直径大于所述第二凸透镜的直径。
- 根据权利要求3所述的背光模组,所述第一凸透镜和所述第二凸透镜相对一侧的焦点重合;其中,所述第一凸透镜用于将所述背光源结构层发出的平行光线聚焦到所述第二凸透镜靠近所述第一凸透镜的焦点;所述第二凸透镜用于将其焦点处发出的发散光线汇聚成平行光束并发射到所述折射层上;所述折射层用于折射所述平行光束,以使所述平行光束以特定角度入射到所述棱镜上。
- 根据权利要求4所述的背光模组,所述多个第一凸透镜呈矩阵状排布,所述多个第二凸透镜呈矩阵状排布,所述多个棱镜呈矩阵状排布。
- 根据权利要求4所述的背光模组,所述第一凸透镜和所述第二凸透镜均为平凸透镜,且所述第一凸透镜的凸面以及所述第二凸透镜的凸面均靠近所述背光源结构层设置。
- 根据权利要求4所述的背光模组,所述棱镜为三棱镜。
- 根据权利要求7所述的背光模组,所述三棱镜的入光面与所述折射层的出光面相平行。
- 根据权利要求4所述的背光模组,所述多个第一凸透镜、所述多个第二凸透镜和所述多个棱镜一一对应。
- 根据权利要求1所述的背光模组,所述背光源结构层发出的平行光线为包括有红色光线、绿色光线和蓝色光线的白光。
- 根据权利要求1所述的背光模组,所述棱镜用于将平行光束内的不同颜色的光线通过两次折射进行分离,并使得折射出的不同颜色的光线垂直入射到相应颜色的子像素上。
- 根据权利要求1所述的背光模组,所述背光源结构层包括依次设置的光源和导光板,且所述导光板靠近所述第一凸透镜结构层设置。
- 根据权利要求1所述的背光模组,所述背光源结构层包括光源和导光板,所述光源设置在所述导光板的侧面。
- 根据权利要求1所述的背光模组,所述背光源结构层还包括反射层,所述反射层为所述背光源结构层中远离所述第一凸透镜结构层的膜层,所述反射层的反射面朝向所述第一凸透镜结构层。
- 一种液晶显示设备,包括有背光模组和显示面板,所述背光模组为权利要求1所述的背光模组,所述背光模组用于为所述显示面板提供背光,所述显示面板包括所述子像素。
- 根据权利要求15所述的液晶显示设备,所述显示面板包括多个像素,且所述棱镜层上设置的多个棱镜和所述多个像素一一对应。
- 根据权利要求16所述的液晶显示设备,每个所述像素包括多个不同颜色的所述子像素。
- 根据权利要求17所述的液晶显示设备,每个所述像素包括至少三个不同颜色的所述子像素。
- 根据权利要求18所述的液晶显示设备,所述至少三个不同颜色的子像素包括红色子像素、绿色子像素和蓝色子像素。
- 根据权利要求18所述的液晶显示设备,所述第一凸透镜的直径等于所述像素的宽度,所述第二凸透镜的直径为所述第一凸透镜的直径的1/3~1/2。
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EP3477704A1 (en) * | 2017-10-27 | 2019-05-01 | Beijing Xiaomi Mobile Software Co., Ltd. | Camera photosensitive component, camera, and camera shooting terminal |
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CN106908993A (zh) * | 2017-03-06 | 2017-06-30 | 合肥鑫晟光电科技有限公司 | 一种背光模组和液晶显示设备 |
CN107247365B (zh) * | 2017-07-28 | 2020-04-17 | 京东方科技集团股份有限公司 | 背光模组及显示装置 |
CN108646338B (zh) * | 2018-07-02 | 2019-12-31 | 京东方科技集团股份有限公司 | 一种背光模组及显示装置 |
CN112130236B (zh) * | 2020-09-29 | 2022-09-16 | 厦门天马微电子有限公司 | 低反射结构、显示面板、显示装置及显示面板的制作方法 |
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