WO2020062717A1 - 一种显示装置 - Google Patents

一种显示装置 Download PDF

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Publication number
WO2020062717A1
WO2020062717A1 PCT/CN2019/071768 CN2019071768W WO2020062717A1 WO 2020062717 A1 WO2020062717 A1 WO 2020062717A1 CN 2019071768 W CN2019071768 W CN 2019071768W WO 2020062717 A1 WO2020062717 A1 WO 2020062717A1
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Prior art keywords
display device
sub
light source
back plate
light
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PCT/CN2019/071768
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English (en)
French (fr)
Inventor
樊勇
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深圳市华星光电半导体显示技术有限公司
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Application filed by 深圳市华星光电半导体显示技术有限公司 filed Critical 深圳市华星光电半导体显示技术有限公司
Priority to US16/329,242 priority Critical patent/US20200096819A1/en
Publication of WO2020062717A1 publication Critical patent/WO2020062717A1/zh

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    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices

Definitions

  • the present invention relates to the field of display technology, and in particular, to a display device.
  • the proportion of the non-color area will increase. High, making the brightness ratio of the color pixel area lower than the brightness ratio of the achromatic area, so that the contrast and color performance of the picture will be worse.
  • the brightness ratio of the brightness of the color pixel area to the brightness of the achromatic area is relatively low, thereby making the contrast and color performance of the screen poor.
  • a display device includes:
  • a liquid crystal panel including a display area and a non-display area.
  • the display area is provided with a plurality of pixel units, and the non-display area is a transparent area.
  • the liquid crystal panel includes a first polarizer, and A first glass substrate on a first polarizer, a second glass substrate, and a second polarizer disposed on a second glass substrate;
  • the backlight module includes a back plate and a light source component disposed between the back plate and the liquid crystal panel.
  • the light source component includes sub-light sources corresponding to the pixel units on a one-to-one basis.
  • the pixel units are arranged in an array.
  • the pixel units are arranged at intervals.
  • the back plate is a transparent back plate.
  • all the sub-light sources are arranged on the back plate, so that light emitted by the sub-light sources is directly irradiated on the liquid crystal panel.
  • a cavity is formed between adjacent sub-light sources.
  • the sub-light source is a scattering light source.
  • the back plate is a reflective plate, and a reflective surface is provided on a side of the back plate near the sub-light source.
  • a light shielding layer is provided between adjacent sub-light sources.
  • the sub-light source includes a light emitting chip and a phosphor layer provided on the light emitting chip.
  • a display device includes:
  • a liquid crystal panel including a display area and a non-display area, the display area is provided with a plurality of pixel units, and the non-display area is a transparent area;
  • the backlight module includes a back plate and a light source component disposed between the back plate and the liquid crystal panel.
  • the light source component includes sub-light sources corresponding to the pixel units on a one-to-one basis.
  • the pixel units are arranged in an array.
  • the pixel units are arranged at intervals.
  • the back plate is a transparent back plate.
  • all the sub-light sources are arranged on the back plate, so that light emitted by the sub-light sources is directly irradiated on the liquid crystal panel.
  • a cavity is formed between adjacent sub-light sources.
  • the sub-light source is a scattering light source.
  • the back plate is a reflective plate, and a reflective surface is provided on a side of the back plate near the sub-light source.
  • a light shielding layer is provided between adjacent sub-light sources.
  • the sub-light source includes a light emitting chip and a phosphor layer provided on the light emitting chip.
  • Each pixel unit has a corresponding sub-light source, and the brightness of the display area where the pixel unit is located is improved by the sub-light source, thereby improving the contrast and color performance of the screen, thereby improving the quality of the display device.
  • FIG. 1 is a schematic diagram of an arrangement of pixel units in a specific embodiment of the present invention
  • FIG. 2 is a schematic structural diagram of a display device according to a first embodiment of the present invention.
  • FIG. 3 is a schematic structural diagram of a display device according to a second embodiment of the present invention.
  • Reference numerals 10, liquid crystal panel; 11, display area; 111, pixel unit; 12, non-display area; 13, first polarizer; 14, first glass substrate; 15, second glass substrate; 16, second Polarizer; 20, backlight module; 21, back plate; 22, sub-light source; 23, light shielding layer.
  • the present invention is directed to the technical problem that the brightness ratio of the color pixel area to the brightness of the achromatic area is low in the existing display device, so that the contrast and color performance of the picture are poor, and the invention can solve the above technical problem.
  • a display device as shown in FIGS. 1 and 2, the display device includes a liquid crystal panel 10 and a backlight module 20.
  • the liquid crystal panel 10 includes a first polarizer 13, a first glass substrate 14, a second glass substrate 15, and a second glass substrate 15. ⁇ ⁇ ⁇ ⁇ 16 ⁇ The second polarizer 16.
  • the liquid crystal panel 10 includes a display area 11 and a non-display area 12.
  • the display area 11 is provided with a plurality of pixel units 111.
  • the non-display area 12 is a transparent area.
  • the backlight module 20 includes a back plate 21 and a light source assembly disposed between the back plate 21 and the liquid crystal panel 10.
  • the light source assembly includes sub-light sources 22 corresponding to the pixel units 111 one-to-one.
  • each pixel unit 111 has a corresponding sub-light source 22, and the brightness of the display area 11 where the pixel unit 111 is located is increased by the sub-light source 22, thereby improving the contrast and color performance of the screen and improving the quality of the display device.
  • the pixel units 111 are evenly arranged in an array.
  • the pixel units 111 are arranged in an orderly and uniform array, thereby improving the color contrast between the display area 11 and the non-display area 12.
  • the pixel units 111 are arranged at intervals.
  • the area of the non-display area 12 is enlarged, thereby improving the transparency and the color and brightness contrast between the display area 11 and the non-display area 12.
  • the back plate 21 is a transparent back plate 21 to enhance the transparency of the display device.
  • all the sub-light sources 22 are arranged on the back plate 21, so that the light emitted by the sub-light sources 22 is directly irradiated on the liquid crystal panel 10 without passing through other light guide films. Reduce the setting of parts and components, thereby reducing production costs, and at the same time reduce the light loss of the light emitted by the sub-light source 22 into the liquid crystal panel 10.
  • the sub-light source 22 consumes less energy to achieve the brightness of the liquid crystal panel 10 Claim.
  • a cavity is formed between the adjacent sub-light sources 22. Improve the transparency of the display device.
  • the sub-light source 22 may be a direct light source or a diffuse light source.
  • the sub-light source 22 is a diffuse light source, part of the light emitted by the sub-light source 22 is transmitted through the back plate 21, thereby improving the transparency of the display device.
  • the light amount of 111 is adjusted, so that it is easy to adjust the brightness contrast between the display area 11 and the non-display area 12.
  • the sub-light source 22 includes a light emitting chip and a phosphor layer disposed on the light emitting chip.
  • the display device includes a liquid crystal panel 10 and a backlight module 20.
  • the liquid crystal panel 10 includes a first polarizer 13, a first glass substrate 14, a second glass substrate 15, and a second glass substrate 15. ⁇ ⁇ ⁇ ⁇ 16 ⁇ The second polarizer 16.
  • the liquid crystal panel 10 includes a display area 11 and a non-display area 12.
  • the display area 11 is provided with a plurality of pixel units 111.
  • the non-display area 12 is a transparent area.
  • the backlight module 20 includes a back plate 21 and a light source assembly disposed between the back plate 21 and the liquid crystal panel 10.
  • the light source assembly includes sub-light sources 22 corresponding to the pixel units 111 one-to-one.
  • Each pixel unit 111 has a corresponding sub-light source 22, and the brightness of the display area 11 where the pixel unit 111 is located is increased by the sub-light source 22, thereby improving the contrast and color performance of the screen and improving the quality of the display device.
  • the pixel units 111 are evenly arranged in an array.
  • the pixel units 111 are arranged in an orderly and uniform array, thereby improving the color contrast of the display area 11 and the non-display area 12.
  • the pixel units 111 are arranged at intervals.
  • the area of the non-display area 12 is enlarged, thereby improving the transparency and the color and brightness contrast between the display area 11 and the non-display area 12.
  • the sub-light source 22 is a scattering light source.
  • the sub-light source 22 is used to provide light sources for the display area 11 and the non-display area 12 at the same time, thereby reducing production costs.
  • the back plate 21 is made of a non-transparent material, the back plate 21 is a reflective plate, and a reflective surface is provided on a side of the back plate 21 near the sub-light source 22. A part of the light emitted from the sub-light source 22 is reflected to the non-display area 12 by using a reflecting surface, thereby improving the transparency of the non-display area 12.
  • a light shielding layer 23 is provided between adjacent sub-light sources 22.
  • the light emitted from the sub-light source 22 is prevented from interfering with each other on the pixel unit 111, so that the overall display of the liquid crystal panel 10 is more uniform.
  • the sub-light source 22 includes a light emitting chip and a phosphor layer disposed on the light emitting chip.
  • each pixel unit 111 has a corresponding sub-light source 22, and the brightness of the display area 11 where the pixel unit 111 is located is increased by the sub-light source 22, thereby improving the contrast and color performance of the screen, thereby making Quality improvement.

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Planar Illumination Modules (AREA)

Abstract

一种显示装置,包括液晶面板(10)和背光模组(20);其中,液晶面板(10)包括显示区(11)和非显示区(12),显示区(11)设置有多个像素单元(111),非显示区(12)为透明区域;背光模组(20)包括背板(21)和设置在背板(21)与液晶面板(10)之间的光源组件,光源组件包括与像素单元(111)一一对应的子光源(22)。

Description

一种显示装置 技术领域
本发明涉及显示技术领域,尤其涉及一种显示装置。
背景技术
在传统的透明显示LCD中,由于采用传统的直下式或侧入式背光源或者直接以背后的环境光作为光源,为了使液晶屏透明度增加,非彩色区域(透明区域)的占比就会越高,使得彩色像素区的亮度比非彩色区域的亮度比例越低,这样使得画面的对比度和色彩表现就会越差。
技术问题
传统的透明显示LCD中,彩色像素区的亮度与非彩色区域的亮度比例较低,从而使得画面的对比度和色彩表现较差。
技术解决方案
一种显示装置,包括:
液晶面板,其包括显示区和非显示区,所述显示区设置有多个像素单元,所述非显示区为透明区域;所述液晶面板包括从下而上依次设置的第一偏光片、设置在第一偏光片上的第一玻璃基板、第二玻璃基板以及设置在第二玻璃基板上的第二偏光片;
背光模组,其包括背板和设置在所述背板与液晶面板之间的光源组件,所述光源组件包括与像素单元一一对应的子光源。
优选的,所述像素单元按阵列排布。
优选的,所述像素单元间隔设置。
优选的,所述背板为透明背板。
优选的,所有所述子光源均布置在所述背板上,以使所述子光源发出的光直接照射在所述液晶面板上。
优选的,相邻所述子光源之间形成空腔。
优选的,所述子光源为散射光源。
优选的,所述背板为反光板,所述背板靠近子光源的一侧设置有反光面。
优选的,相邻子光源之间设置有遮光层。
优选的,所述子光源包括发光芯片和设置在发光芯片上的荧光粉层。
一种显示装置,包括:
液晶面板,其包括显示区和非显示区,所述显示区设置有多个像素单元,所述非显示区为透明区域;
背光模组,其包括背板和设置在所述背板与液晶面板之间的光源组件,所述光源组件包括与像素单元一一对应的子光源。
优选的,所述像素单元按阵列排布。
优选的,所述像素单元间隔设置。
优选的,所述背板为透明背板。
优选的,所有所述子光源均布置在所述背板上,以使所述子光源发出的光直接照射在所述液晶面板上。
优选的,相邻所述子光源之间形成空腔。
优选的,所述子光源为散射光源。
优选的,所述背板为反光板,所述背板靠近子光源的一侧设置有反光面。
优选的,相邻子光源之间设置有遮光层。
优选的,所述子光源包括发光芯片和设置在发光芯片上的荧光粉层。
有益效果
每一个像素单元都具有对应的子光源,通过子光源提高像素单元所在的显示区的亮度,从而提高画面的对比度和色彩表现,从而使显示装置的品质提升。
附图说明
为了更清楚地说明实施例或现有技术中的技术方案,下面将对实施例或现有技术描述中所需要使用的附图作简单介绍,显而易见地,下面描述中的附图仅仅是发明的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图获得其他的附图。
图1为本发明具体实施方式中像素单元的排布示意图;
图2为本发明实施例一中显示装置的结构示意图;
图3为本发明实施例二中显示装置的结构示意图。
附图标记:10、液晶面板;11、显示区;111、像素单元;12、非显示区;13、第一偏光片;14、第一玻璃基板;15、第二玻璃基板;16、第二偏光片;20、背光模组;21、背板;22、子光源;23、遮光层。
本发明的实施方式
以下各实施例的说明是参考附加的图示,用以例示本发明可用以实施的特定实施例。本发明所提到的方向用语,例如[上]、[下]、[前]、[后]、[左]、[右]、[内]、[外]、[侧面]等,仅是参考附加图式的方向。因此,使用的方向用语是用以说明及理解本发明,而非用以限制本发明。在图中,结构相似的单元是用以相同标号表示。
本发明针对现有的显示装置中,彩色像素区的亮度与非彩色区域的亮度比例较低,从而使得画面的对比度和色彩表现较差的技术问题,本发明可以解决上述技术问题。
实施例一:
一种显示装置,如图1和图2所示,所述显示装置包括液晶面板10和背光模组20。
其中,所述液晶面板10包括从下而上依次设置的第一偏光片13、设置在第一偏光片13上的第一玻璃基板14、第二玻璃基板15以及设置在第二玻璃基板15上的第二偏光片16。
所述液晶面板10包括显示区11和非显示区12,所述显示区11设置有多个像素单元111,所述非显示区12为透明区域。
其中,所述背光模组20包括背板21和设置在所述背板21与液晶面板10之间的光源组件,所述光源组件包括与像素单元111一一对应的子光源22。
具体的,每一个像素单元111都具有对应的子光源22,通过子光源22提高像素单元111所在的显示区11的亮度,从而提高画面的对比度和色彩表现,使显示装置的品质提升。
所述像素单元111按阵列均匀排布。通过像素单元111有序均匀的阵列排布,从而提高显示区11与非显示区12的色彩对比度。
所述像素单元111间隔设置。扩大非显示区12的面积,从而提高透明度以及显示区11与非显示区12的色彩和亮度对比度。
其中,所述背板21为透明背板21,以增强显示装置的透明度。
具体的,所有所述子光源22均布置在所述背板21上,以使所述子光源22发出的光直接照射在所述液晶面板10上而不经过其他导光膜材。减少零部件的设置,从而降低生产成本,同时减少子光源22发出的光射入到液晶面板10的过程中的光损失,子光源22消耗更少的能耗即可使液晶面板10的亮度达到要求。
进一步地,相邻所述子光源22之间形成空腔。提高显示装置的透明度。
可以理解的是,所述子光源22可为直射式光源,也可为散射式光源。
所述子光源22采用散射式光源时,子光源22射出的部分光线透出背板21,从而提升显示装置的透明度;所述子光源22采用直射式光源时,便于对射入所述像素单元111的光量进行调节,从而便于调整显示区11与非显示区12的亮度对比度。
其中,所述子光源22包括发光芯片和设置在发光芯片上的荧光粉层。
实施例二:
一种显示装置,如图2和图3所示,所述显示装置包括液晶面板10和背光模组20。
其中,所述液晶面板10包括从下而上依次设置的第一偏光片13、设置在第一偏光片13上的第一玻璃基板14、第二玻璃基板15以及设置在第二玻璃基板15上的第二偏光片16。
所述液晶面板10包括显示区11和非显示区12,所述显示区11设置有多个像素单元111,所述非显示区12为透明区域。
其中,所述背光模组20包括背板21和设置在所述背板21与液晶面板10之间的光源组件,所述光源组件包括与像素单元111一一对应的子光源22。
每一个像素单元111都具有对应的子光源22,通过子光源22提高像素单元111所在的显示区11的亮度,从而提高画面的对比度和色彩表现,使显示装置的品质提升。
具体的,所述像素单元111按阵列均匀排布。通过像素单元111有序均匀的阵列排布,从而提高显示区11域非显示区12的色彩对比度。
所述像素单元111间隔设置。扩大非显示区12的面积,从而提高透明度以及显示区11与非显示区12的色彩和亮度对比度。
其中,所述子光源22为散射光源。利用子光源22同时为显示区11和非显示区12提供光源,减少生产成本。
其中,所述背板21采用非透明材质制成,所述背板21为反光板,所述背板21靠近子光源22的一侧设置有反光面。利用反光面将子光源22发出的部分光反射到非显示区12,从而提高非显示区12的透明度。
具体的,相邻子光源22之间设置有遮光层23。防止子光源22发出的光在像素单元111上相互干扰,从而使得液晶面板10的整体显示更加均匀。
其中,所述子光源22包括发光芯片和设置在发光芯片上的荧光粉层。
本发明的有益效果为:每一个像素单元111都具有对应的子光源22,通过子光源22提高像素单元111所在的显示区11的亮度,从而提高画面的对比度和色彩表现,从而使显示装置的品质提升。
综上所述,虽然本发明已以优选实施例揭露如上,但上述优选实施例并非用以限制本发明,本领域的普通技术人员,在不脱离本发明的精神和范围内,均可作各种更动与润饰,因此本发明的保护范围以权利要求界定的范围为准。

Claims (20)

  1. 一种显示装置,其中,所述显示装置包括:
    液晶面板,其包括显示区和非显示区,所述显示区设置有多个像素单元,所述非显示区为透明区域;所述液晶面板包括从下而上依次设置的第一偏光片、设置在第一偏光片上的第一玻璃基板、第二玻璃基板以及设置在第二玻璃基板上的第二偏光片;
    背光模组,其包括背板和设置在所述背板与液晶面板之间的光源组件,所述光源组件包括与像素单元一一对应的子光源。
  2. 根据权利要求1所述的显示装置,其中,所述像素单元按阵列排布。
  3. 根据权利要求2所述的显示装置,其中,所述像素单元间隔设置。
  4. 根据权利要求3所述的显示装置,其中,所述背板为透明背板。
  5. 根据权利要求4所述的显示装置,其中,所有所述子光源均布置在所述背板上,以使所述子光源发出的光直接照射在所述液晶面板上。
  6. 根据权利要求3所述的显示装置,其中,相邻所述子光源之间形成空腔。
  7. 根据权利要求3所述的显示装置,其中,所述子光源为散射光源。
  8. 根据权利要求7所述的显示装置,其中,所述背板为反光板,所述背板靠近子光源的一侧设置有反光面。
  9. 根据权利要求8所述的显示装置,其中,相邻子光源之间设置有遮光层。
  10. 根据权利要求1所述的显示装置,其中,所述子光源包括发光芯片和设置在发光芯片上的荧光粉层。
  11. 一种显示装置,其中,所述显示装置包括:
    液晶面板,其包括显示区和非显示区,所述显示区设置有多个像素单元,所述非显示区为透明区域;
    背光模组,其包括背板和设置在所述背板与液晶面板之间的光源组件,所述光源组件包括与像素单元一一对应的子光源。
  12. 根据权利要求11所述的显示装置,其中,所述像素单元按阵列排布。
  13. 根据权利要求12所述的显示装置,其中,所述像素单元间隔设置。
  14. 根据权利要求13所述的显示装置,其中,所述背板为透明背板。
  15. 根据权利要求14所述的显示装置,其中,所有所述子光源均布置在所述背板上,以使所述子光源发出的光直接照射在所述液晶面板上。
  16. 根据权利要求13所述的显示装置,其中,相邻所述子光源之间形成空腔。
  17. 根据权利要求13所述的显示装置,其中,所述子光源为散射光源。
  18. 根据权利要求17所述的显示装置,其中,所述背板为反光板,所述背板靠近子光源的一侧设置有反光面。
  19. 根据权利要求18所述的显示装置,其中,相邻子光源之间设置有遮光层。
  20. 根据权利要求11所述的显示装置,其中,所述子光源包括发光芯片和设置在发光芯片上的荧光粉层。
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CN109946867A (zh) * 2019-04-25 2019-06-28 深圳市华星光电技术有限公司 透明显示面板及透明显示装置
CN113348496A (zh) * 2019-05-21 2021-09-03 深圳市柔宇科技股份有限公司 显示装置、终端及拍摄方法

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