CN105118447A - 显示面板及其驱动方法和显示装置 - Google Patents

显示面板及其驱动方法和显示装置 Download PDF

Info

Publication number
CN105118447A
CN105118447A CN201510623094.2A CN201510623094A CN105118447A CN 105118447 A CN105118447 A CN 105118447A CN 201510623094 A CN201510623094 A CN 201510623094A CN 105118447 A CN105118447 A CN 105118447A
Authority
CN
China
Prior art keywords
liquid crystal
crystal box
blue
red
green
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201510623094.2A
Other languages
English (en)
Inventor
鹿堃
柏玲
王娟
李友
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BOE Technology Group Co Ltd
Beijing BOE Display Technology Co Ltd
Original Assignee
BOE Technology Group Co Ltd
Beijing BOE Display Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BOE Technology Group Co Ltd, Beijing BOE Display Technology Co Ltd filed Critical BOE Technology Group Co Ltd
Priority to CN201510623094.2A priority Critical patent/CN105118447A/zh
Publication of CN105118447A publication Critical patent/CN105118447A/zh
Priority to US15/248,733 priority patent/US20170090249A1/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • G02F1/133621Illuminating devices providing coloured light
    • 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
    • G02F1/13306Circuit arrangements or driving methods for the control of single liquid crystal cells
    • 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
    • G02F1/133509Filters, e.g. light shielding masks
    • G02F1/133514Colour filters
    • 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
    • G02F1/133602Direct backlight
    • G02F1/133603Direct backlight with LEDs
    • 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
    • G02F1/133602Direct backlight
    • G02F1/133606Direct backlight including a specially adapted diffusing, scattering or light controlling members
    • 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
    • G02F1/1343Electrodes
    • G02F1/134309Electrodes characterised by their geometrical arrangement
    • 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
    • G02F1/133614Illuminating devices using photoluminescence, e.g. phosphors illuminated by UV or blue light
    • 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
    • G02F1/1343Electrodes
    • G02F1/134309Electrodes characterised by their geometrical arrangement
    • G02F1/134345Subdivided pixels, e.g. for grey scale or redundancy
    • 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
    • G02F1/136Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
    • G02F1/1362Active matrix addressed cells
    • G02F1/1368Active matrix addressed cells in which the switching element is a three-electrode device
    • 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
    • G02F2201/00Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/52RGB geometrical arrangements
    • 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
    • G02F2202/00Materials and properties
    • G02F2202/36Micro- or nanomaterials
    • 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
    • G02F2203/00Function characteristic
    • G02F2203/05Function characteristic wavelength dependent

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Geometry (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Liquid Crystal (AREA)

Abstract

本发明涉及一种显示面板及其驱动方法,显示面板中的背光源包括蓝色光源、绿色光源以及设置在蓝色光源和绿色光源之上的红色光激发层,红色光激发层受到蓝光照射时发红光,在受到绿光照射时不发光,显示面板还包括:控制电路,用于控制蓝色光源在第一时间段开启,控制绿色光源在第二时间段开启,根据目标像素显示的颜色控制红色液晶盒、绿色液晶盒和/或蓝色液晶盒在第一时间段和/或第二时间段开启和/或关闭。本发明可以避免显示面板中的像素发生异色漏光,提高像素显示的色域。

Description

显示面板及其驱动方法和显示装置
技术领域
本发明涉及显示技术领域,具体而言,涉及一种显示面板、一种显示装置和一种显示面板驱动方法。
背景技术
现有的液晶显示器使用的背光源一般为蓝色芯片41配合黄色荧光层42,色阻层一般由红色色阻片211、绿色色阻片221、蓝色色阻片231三种色阻材料构成。每个像素分为蓝、绿、红三个亚像素,通过对三个子像素对应液晶层2的控制实现彩色显示。
由于现有的彩膜对红、绿、蓝三种颜色的光过滤区分不够清晰,如图1所示,在红光与绿光、蓝光的光谱之间存在交叠,因此在各像素区域,不能够有效的过滤掉异色光,会有一部分异色光透过彩膜。
图2至图4分别示意了显示蓝色、绿色和红色时的异色漏光。如图2A所示,蓝色子像素对应的液晶盒开启,如图2B所示,蓝色色阻片231可使得波长在380nm和500nm之间的光通过,该区间虽然主要对应蓝光,但是在波长为470nm至500nm的区间也存在绿光,因此部分绿光也会通过蓝色色阻层,从而造成异色漏光,如图2C所示,射出蓝色色阻片231的光中包含绿光的成分,使得色域下降。而根据图3A至图3C可知,通过绿色色阻片221的光中包含蓝光的成分,根据图4A至图4C可知,通过红色色阻片211的光中包含绿光的成分,均存在异色漏光。
发明内容
本发明所要解决的技术问题是,如何避免显示面板中的异色漏光现象。
为此目的,本发明提出了一种显示面板,包括背光源和设置在背光源之上的与每个像素的红色子像素对应设置的红色液晶盒、与每个绿色子像素对应设置的绿色液晶盒和与每个蓝色子像素对应设置的蓝色液晶盒,所述背光源包括蓝色光源、绿色光源以及设置在所述蓝色光源和绿色光源之上的红色光激发层,所述红色光激发层受到蓝光照射时发红光,在受到绿光照射时不发光,
所述显示面板还包括:
控制电路,用于控制所述蓝色光源在第一时间段开启,控制所述绿色光源在第二时间段开启,根据目标像素显示的颜色控制红色液晶盒、绿色液晶盒和/或蓝色液晶盒在第一时间段和/或第二时间段开启和/或关闭。
优选地,在目标像素显示红色时,控制所述目标像素对应的红色液晶盒在第一时间段开启,对应的蓝色液晶盒和绿色液晶盒关闭。
优选地,在目标像素显示绿色时,控制所述目标像素对应的绿色液晶盒在第二时间段开启,对应的蓝色液晶盒和红色液晶盒关闭。
优选地,在目标像素显示蓝色时,控制所述目标像素对应的蓝色液晶盒在第一时间段开启,对应的红色液晶盒和绿色液晶盒关闭。
优选地,所述第一时间段和所述第二时间段长度相等。
优选地,所述第一时间段和所述第二时间段等于7ms。
优选地,所述红色光激发层包括红色量子点材料和/或红色荧光材料。
优选地,所述红色液晶盒包括红色色阻片,所述蓝色液晶盒包括蓝色色阻片,所述绿色液晶盒包括透明薄片。
本发明还提出了一种显示装置,包括上述显示面板。
本发明还提出了一种用于驱动上述显示面板的方法,包括:
控制所述蓝色光源在第一时间段开启,控制所述绿色光源在第二时间段开启;
根据目标像素显示的颜色控制红色液晶盒、绿色液晶盒和/或蓝色液晶盒在第一时间段和/或第二时间段开启和/或关闭。
优选地,在目标像素显示红色时,控制所述目标像素对应的红色液晶盒在第一时间段开启,对应的蓝色液晶盒和绿色液晶盒关闭。
优选地,在目标像素显示绿色时,控制所述目标像素对应的绿色液晶盒在第二时间段开启,对应的蓝色液晶盒和绿色液晶盒关闭。
优选地,在目标像素显示蓝色时,控制所述目标像素对应的蓝色液晶盒在第一时间段开启,对应的红色液晶盒和绿色液晶盒关闭。
根据上述技术方案,通过蓝色光源和绿色光源配合红色光激发层,在蓝色光源开启时,射向红色光激发层的一部分蓝光激发红色光激发层发红光,另一部分蓝光透过红色光激发层,从而使得背光源在第一时间段可以发出红光和蓝光,在开启相应的液晶盒时,通过液晶盒射入色阻层的光仅包含蓝光和红光,由于红光和蓝光的光谱不存在重叠,因此通过色阻层射出的蓝光或红光中几乎不参杂其他颜色的光。在绿色光源开启时,绿光会通过红色光激发层,背光源在第二时间段发绿光,在开启相应的液晶盒时,通过液晶盒射入色阻层的光仅包括绿光,因此通过色阻层的光仅包含绿光中,而不参杂其他颜色的光。从而避免了异色漏光,提高了像素显示的色域。
附图说明
通过参考附图会更加清楚的理解本发明的特征和优点,附图是示意性的而不应理解为对本发明进行任何限制,在附图中:
图1示出了现有技术中红光、绿光和蓝光的光谱交叠示意图;
图2A至图2C示出了现有技术中发蓝光时的异色漏光;
图3A至图3C示出了现有技术中发红光时的异色漏光;
图4A至图4C示出了现有技术中发绿光时的异色漏光;
图5示出了根据本发明一个实施例的显示面板的结构示意图;
图6A至图6C示出了根据本发明一个实施例的发红光时避免异色漏光的示意图;
图7A至图7C示出了根据本发明一个实施例的发绿光时避免异色漏光的示意图;
图8A至图8C示出了根据本发明一个实施例的发蓝光时避免异色漏光的示意图;
图9示出了根据本发明又一个实施例的显示面板的结构示意图;
图10示出了根据本发明一个实施例的显示面板驱动方法的示意流程图;
附图标号说明:
1-背光源;11-蓝色光源;12-绿色光源;13-红色光激发层;2-液晶层;21-红色液晶盒;22-绿色液晶盒;23-蓝色液晶盒;211-红色色阻片;221-绿色色阻片;231-蓝色色阻片;222-透明薄片;41-蓝色芯片;42-黄色荧光层。
具体实施方式
为了能够更清楚地理解本发明的上述目的、特征和优点,下面结合附图和具体实施方式对本发明进行进一步的详细描述。需要说明的是,在不冲突的情况下,本申请的实施例及实施例中的特征可以相互组合。
在下面的描述中阐述了很多具体细节以便于充分理解本发明,但是,本发明还可以采用其他不同于在此描述的其他方式来实施,因此,本发明的保护范围并不受下面公开的具体实施例的限制。
如图5所示,根据本发明一个实施例的显示面板,包括背光源1和设置在背光源1之上的与每个像素的红色子像素对应设置的红色液晶盒21、与每个绿色子像素对应设置的绿色液晶盒22和与每个蓝色子像素对应设置的蓝色液晶盒23,背光源1包括蓝色光源11、绿色光源12以及设置在蓝色光源11和绿色光源12之上的红色光激发层13,红色光激发层13受到蓝光照射时发红光,在受到绿光照射时不发光,
显示面板还包括:
控制电路,用于控制蓝色光源11在第一时间段开启,控制绿色光源12在第二时间段开启,根据目标像素显示的颜色控制红色液晶盒21、绿色液晶盒22和/或蓝色液晶盒23在第一时间段和/或第二时间段开启和/或关闭,其中,每个液晶盒可以包括与子像素对应的液晶层和色阻片以及薄膜晶体管,控制电路可以通过薄膜晶体管控制液晶层中液晶的状态来实现相应液晶盒的开关。
通过蓝色光源11和绿色光源12配合红色光激发层13,在蓝色光源11开启时,射向红色光激发层13的一部分蓝光激发红色光激发层13发红光,另一部分蓝光透过红色光激发层13,从而使得背光源1在第一时间段可以发出红光和蓝光,在开启相应的液晶盒时,通过液晶盒射入色阻层3的光仅包含蓝光和红光,由于红光和蓝光的光谱不存在重叠,因此通过色阻层3射出的蓝光或红光中几乎不参杂其他颜色的光。
在绿色光源12开启时,绿光会通过红色光激发层13,背光源1在第二时间段发绿光,在开启相应的液晶盒时,通过液晶盒射入色阻层3的光仅包括绿光,因此通过色阻层的光仅包含绿光中,而不参杂其他颜色的光。从而避免了像素在发光过程中发生异色漏光,提高了像素显示的色域。
如图6A所示,优选地,在目标像素显示红色时,控制目标像素对应的红色液晶盒21在第一时间段开启,对应的蓝色液晶盒23和绿色液晶盒22关闭。
在第一时间段蓝色光源11开启,其中部分蓝光射向红色光激发层13激发红色光激发层13发红光,另一部分蓝光透过红色光激发层13,使得背光源1在第一时间段可以发出红光和蓝光。
由于在第一时间段只有红色子像素对应的红色液晶盒21开启,因此光源发出的光中包含的红光和蓝光都会通过红色液晶盒21入射到色阻层。如图6B所示,由于红色液晶盒21对应红色色阻片211会滤除波长小于550nm的光,而光源发出的蓝光中并不存在波长大于550nm的成分,因此只会使得光源发出的红光通过,如图6C所示,使得像素发出的光中仅存在红光,而不存在异色漏光。
如图7A所示,优选地,在目标像素显示绿色时,控制目标像素对应的绿色液晶盒12在第二时间段开启,对应的蓝色液晶盒23和红色液晶盒21关闭。
在第二时间段绿色光源12开启,由于绿光不会激发红色光激发层13发红光,因此背光源1在第二时间段仅发出绿光。
由于在第二时间段只有绿色子像素对应的绿色液晶盒22开启,因此光源发出的绿光会通过绿色液晶盒22入射到色阻层。如图7B所示,由于绿色液晶盒22对应绿色色阻片221只会使得波长在450nm至620nm之间的光波通过,而光源发出的绿光的波长在490nm至560nm,因此可以完全通过绿色色阻片221,因此使得光源发出的绿光全部通过,如图7C所示,使得像素发出的光中仅有绿光,而不存在异色漏光。
如图8A所示,优选地,在目标像素显示蓝色时,控制目标像素对应的蓝色液晶盒23在第一时间段开启,对应的红色液晶盒21和绿色液晶盒22关闭。
在第一时间段蓝色光源11开启,其中部分蓝光射向红色光激发层13激发红色光激发层13发红光,另一部分蓝光透过红色光激发层13,使得背光源1在第一时间段可以发出红光和蓝光。
由于在第一时间段只有蓝色子像素对应的蓝色液晶盒23开启,因此光源发出的光中包含的红光和蓝光都会通过蓝色液晶盒23入射到色阻层。如图8B所示,由于蓝色液晶盒23对应蓝色色阻片231会滤除波长大于530nm和波长小于380nm的光,而光源发出的红光中并不存在波长大于530nm或波长小于380nm的成分,因此只会使得光源发出的蓝光通过,如图8C所示,使得像素发出的光中仅存在蓝光,而不存在异色漏光。
优选地,第一时间段和第二时间段长度相等。
本实施例可以使得第一时间段显示的蓝色和红色,与第二时间段显示的绿色产生接近的视觉残留,以便更好地混合为所需显示的色彩。
优选地,第一时间段和第二时间段等于7ms。由于现有技术中的液晶相应速度一般设置为14ms,本实施例则只需将该响应速度降低一半,易于设置和实现。
优选地,红色光激发层13包括红色量子点材料和/或红色荧光材料。红色量子点材料和/或红色荧光材料稳定性强,成本低。
如图9所示,优选地,还包括:
色阻层3,设置在液晶层之上,红色液晶盒21包括红色色阻片211,蓝色液晶盒23包括蓝色色阻片231,绿色液晶盒22包括透明薄片222。
由于绿色色阻片221只能使得所有绿光中一定波长区间内的绿光通过,因此仍会对背光源发出的绿光产生一定的过滤效果。而在绿色子像素对应的色阻层位置设置透明薄片222,能够保证第二时间段背光源发出的绿光完全通过色阻层,从而提高像素的发光亮度。
本发明还提出了一种显示装置,包括上述显示面板。
需要说明的是,本实施例中的显示装置可以为:电子纸、手机、平板电脑、电视机、笔记本电脑、数码相框、导航仪等任何具有显示功能的产品或部件。
如图10所示,本发明还提出了一种用于驱动上述显示面板的方法,包括:
S1,控制蓝色光源在第一时间段开启,控制绿色光源在第二时间段开启;
S2,根据目标像素显示的颜色控制红色液晶盒、绿色液晶盒和/或蓝色液晶盒在第一时间段和/或第二时间段开启和/或关闭。
优选地,在目标像素显示红色时,控制目标像素对应的红色液晶盒在第一时间段开启,对应的蓝色液晶盒和绿色液晶盒关闭。
优选地,在目标像素显示绿色时,控制目标像素对应的绿色液晶盒在第二时间段开启,对应的蓝色液晶盒和绿色液晶盒关闭。
优选地,在目标像素显示蓝色时,控制目标像素对应的蓝色液晶盒在第一时间段开启,对应的红色液晶盒和绿色液晶盒关闭。
以上结合附图详细说明了本发明的技术方案,考虑到现有技术中,显示面板在发光过程中存在异色漏光。根据本发明的技术方案,通过蓝色光源和绿色光源配合红色光激发层,在蓝色光源开启时,射向红色光激发层的一部分蓝光激发红色光激发层发红光,另一部分蓝光透过红色光激发层,从而使得背光源在第一时间段可以发出红光和蓝光,在开启相应的液晶盒时,通过液晶盒射入色阻层的光仅包含蓝光和红光,由于红光和蓝光的光谱不存在重叠,因此通过色阻层射出的蓝光或红光中几乎不参杂其他颜色的光。在绿色光源开启时,绿光会通过红色光激发层,背光源在第二时间段发绿光,在开启相应的液晶盒时,通过液晶盒射入色阻层的光仅包括绿光,因此通过色阻层的光仅包含绿光中,而不参杂其他颜色的光。从而避免了异色漏光,提高了像素显示的色域。
需要指出的是,在附图中,为了图示的清晰可能夸大了层和区域的尺寸。而且可以理解,当元件或层被称为在另一元件或层“上”时,它可以直接在其他元件上,或者可以存在中间的层。另外,可以理解,当元件或层被称为在另一元件或层“下”时,它可以直接在其他元件下,或者可以存在一个以上的中间的层或元件。另外,还可以理解,当层或元件被称为在两层或两个元件“之间”时,它可以为两层或两个元件之间惟一的层,或还可以存在一个以上的中间层或元件。通篇相似的参考标记指示相似的元件。
在本发明中,术语“第一”、“第二”仅用于描述目的,而不能理解为指示或暗示相对重要性。
以上所述仅为本发明的优选实施例而已,并不用于限制本发明,对于本领域的技术人员来说,本发明可以有各种更改和变化。凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。

Claims (13)

1.一种显示面板,包括背光源和设置在背光源之上的与每个像素的红色子像素对应设置的红色液晶盒、与每个绿色子像素对应设置的绿色液晶盒和与每个蓝色子像素对应设置的蓝色液晶盒,其特征在于,所述背光源包括蓝色光源、绿色光源以及设置在所述蓝色光源和绿色光源之上的红色光激发层,所述红色光激发层受到蓝光照射时发红光,在受到绿光照射时不发光,
所述显示面板还包括:
控制电路,用于控制所述蓝色光源在第一时间段开启,控制所述绿色光源在第二时间段开启,根据目标像素显示的颜色控制红色液晶盒、绿色液晶盒和/或蓝色液晶盒在第一时间段和/或第二时间段开启和/或关闭。
2.根据权利要求1所述的显示面板,其特征在于,在目标像素显示红色时,控制所述目标像素对应的红色液晶盒在第一时间段开启,对应的蓝色液晶盒和绿色液晶盒关闭。
3.根据权利要求1所述的显示面板,其特征在于,在目标像素显示绿色时,控制所述目标像素对应的绿色液晶盒在第二时间段开启,对应的蓝色液晶盒和红色液晶盒关闭。
4.根据权利要求1所述的显示面板,其特征在于,在目标像素显示蓝色时,控制所述目标像素对应的蓝色液晶盒在第一时间段开启,对应的红色液晶盒和绿色液晶盒关闭。
5.根据权利要求1至4中任一项所述的显示面板,其特征在于,所述第一时间段和所述第二时间段长度相等。
6.根据权利要求5所述的显示面板,其特征在于,所述第一时间段和所述第二时间段等于7ms。
7.根据权利要求1至4中任一项所述的显示面板,其特征在于,所述红色光激发层包括红色量子点材料和/或红色荧光材料。
8.根据权利要求1至4中任一项所述的显示面板,其特征在于,所述红色液晶盒包括红色红色色阻片,所述蓝色液晶盒包括蓝色色阻片,所述绿色液晶盒包括透明薄片。
9.一种显示装置,其特征在于,包括权利要求1至8中任一项所述的显示面板。
10.一种用于驱动权利要求1至8中任一项所述显示面板的方法,其特征在于,包括:
控制所述蓝色光源在第一时间段开启,控制所述绿色光源在第二时间段开启;
根据目标像素显示的颜色控制红色液晶盒、绿色液晶盒和/或蓝色液晶盒在第一时间段和/或第二时间段开启和/或关闭。
11.根据权利要求10所述的方法,其特征在于,在目标像素显示红色时,控制所述目标像素对应的红色液晶盒在第一时间段开启,对应的蓝色液晶盒和绿色液晶盒关闭。
12.根据权利要求10所述的方法,其特征在于,在目标像素显示绿色时,控制所述目标像素对应的绿色液晶盒在第二时间段开启,对应的蓝色液晶盒和绿色液晶盒关闭。
13.根据权利要求10所述的方法,其特征在于,在目标像素显示蓝色时,控制所述目标像素对应的蓝色液晶盒在第一时间段开启,对应的红色液晶盒和绿色液晶盒关闭。
CN201510623094.2A 2015-09-25 2015-09-25 显示面板及其驱动方法和显示装置 Pending CN105118447A (zh)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201510623094.2A CN105118447A (zh) 2015-09-25 2015-09-25 显示面板及其驱动方法和显示装置
US15/248,733 US20170090249A1 (en) 2015-09-25 2016-08-26 Display panel, method for driving the same, and display device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510623094.2A CN105118447A (zh) 2015-09-25 2015-09-25 显示面板及其驱动方法和显示装置

Publications (1)

Publication Number Publication Date
CN105118447A true CN105118447A (zh) 2015-12-02

Family

ID=54666410

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510623094.2A Pending CN105118447A (zh) 2015-09-25 2015-09-25 显示面板及其驱动方法和显示装置

Country Status (2)

Country Link
US (1) US20170090249A1 (zh)
CN (1) CN105118447A (zh)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101441351A (zh) * 2008-12-26 2009-05-27 友达光电股份有限公司 液晶显示器
US20100039587A1 (en) * 2008-08-12 2010-02-18 Au Optronics Corporation Color liquid crystal display with backlight
US20100141871A1 (en) * 2008-12-09 2010-06-10 Ya-Ling Hsu Liquid crystal display
CN103440826A (zh) * 2013-08-27 2013-12-11 京东方科技集团股份有限公司 一种显示装置
WO2015135222A1 (zh) * 2014-03-13 2015-09-17 深圳市华星光电技术有限公司 液晶显示器及其驱动方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7045375B1 (en) * 2005-01-14 2006-05-16 Au Optronics Corporation White light emitting device and method of making same
JP5971976B2 (ja) * 2011-05-02 2016-08-17 キヤノン株式会社 液晶表示装置及びその制御方法
TWI459359B (zh) * 2011-07-27 2014-11-01 Chunghwa Picture Tubes Ltd 用以補償色序法色偏移的電路及其方法
US8922533B2 (en) * 2012-06-28 2014-12-30 Htc Corporation Micro-electro-mechanical display module and display method
DE102012013028A1 (de) * 2012-07-02 2014-01-02 Infitec Gmbh Stereoprojektionsvorrichtung und Verfahren zur Projektion von stereoskopischen Bildern
KR102070657B1 (ko) * 2012-12-03 2020-01-30 삼성디스플레이 주식회사 표시 장치 및 이의 구동 방법
EP3053874B1 (en) * 2015-02-04 2017-11-22 LG Electronics Inc. Light conversion member, and backlight unit and display device including the same

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100039587A1 (en) * 2008-08-12 2010-02-18 Au Optronics Corporation Color liquid crystal display with backlight
US20100141871A1 (en) * 2008-12-09 2010-06-10 Ya-Ling Hsu Liquid crystal display
CN101441351A (zh) * 2008-12-26 2009-05-27 友达光电股份有限公司 液晶显示器
CN103440826A (zh) * 2013-08-27 2013-12-11 京东方科技集团股份有限公司 一种显示装置
WO2015135222A1 (zh) * 2014-03-13 2015-09-17 深圳市华星光电技术有限公司 液晶显示器及其驱动方法

Also Published As

Publication number Publication date
US20170090249A1 (en) 2017-03-30

Similar Documents

Publication Publication Date Title
CN105144275B (zh) 具有光致发光层的液晶显示器
CN104732924B (zh) 一种三色数据到四色数据的转换方法及转换系统
CN106033156B (zh) 显示装置及显示方法
CN108206016A (zh) 像素单元及其驱动方法、显示装置
CN104111552B (zh) 多基色液晶显示器及其驱动方法
CN101493602B (zh) 彩色液晶显示器及其控制方法
CN105702202A (zh) 显示面板及其控制方法、显示装置、显示系统
CN103680420B (zh) 显示器
US9666141B2 (en) Display apparatus and method of driving the same
US8264449B2 (en) Method for driving a color-sequential display
CN104217670A (zh) 像素结构及显示装置
CN101627415B (zh) 改进的显示设备和方法
CN101379426A (zh) 液晶显示装置
CN103901667B (zh) 液晶显示装置
CN101789225A (zh) 彩色显示单元
WO2017124782A1 (zh) 背光源、背光模组、显示装置及显示系统
US20160260389A1 (en) Backlight module, display device and driving method thereof
US8698719B2 (en) Displaying method for field sequential color displays using two color fields
CN101501558B (zh) 液晶显示装置
CN103390390A (zh) 用于显示器的显示控制方法
CN104464649A (zh) 场色序法液晶显示装置及其驱动方法
CN105976771A (zh) 液晶显示面板及其驱动方法
CN107146583B (zh) 显示装置及其驱动方法
CN104050945B (zh) 色序型液晶显示器及其驱动方法
CN105489172A (zh) 显示面板、显示装置和显示控制方法

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20151202