CN105572890A - 一种显示装置及其驱动方法 - Google Patents

一种显示装置及其驱动方法 Download PDF

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Publication number
CN105572890A
CN105572890A CN201610108739.3A CN201610108739A CN105572890A CN 105572890 A CN105572890 A CN 105572890A CN 201610108739 A CN201610108739 A CN 201610108739A CN 105572890 A CN105572890 A CN 105572890A
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China
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time period
display panel
pixel
black
organic electroluminescence
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CN201610108739.3A
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CN105572890B (zh
Inventor
王海生
董学
薛海林
陈小川
丁小梁
刘英明
刘红娟
赵卫杰
杨盛际
王鹏鹏
李昌峰
刘伟
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BOE Technology Group Co Ltd
Beijing BOE Optoelectronics Technology Co Ltd
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BOE Technology Group Co Ltd
Beijing BOE Optoelectronics Technology Co Ltd
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Priority to CN201610108739.3A priority Critical patent/CN105572890B/zh
Publication of CN105572890A publication Critical patent/CN105572890A/zh
Priority to US15/357,945 priority patent/US10283024B2/en
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Publication of CN105572890B publication Critical patent/CN105572890B/zh
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    • H10K77/111—Flexible substrates

Abstract

本发明公开了一种显示装置及其驱动方法，用以实现不需要增加柱面镜或狭缝光栅器件即可实现3D显示，降低生产成本。显示装置包括贴合在一起的黑白液晶显示面板和有机发光显示面板，以及控制有机发光显示面板发光的控制单元；有机发光显示面板用作黑白液晶显示面板的背光源，包括若干像素，每一像素包括红色子像素、绿色子像素和蓝色子像素；黑白液晶显示面板包括若干像素单元，每一像素至少对应一像素单元；控制单元用于将一帧显示时间至少分为第一时间段、第二时间段和第三时间段，在第一时间段内仅控制红色子像素发光，在第二时间段内仅控制绿色子像素发光，在第三时间段内仅控制蓝色子像素发光。

Description

一种显示装置及其驱动方法
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及其驱动方法。
背景技术
薄膜晶体管液晶显示器(ThinFilmTransistorLiquidCrystalDisplay，TFT-LCD)是目前显示领域的主流产品，占市场的绝大部分份额。随着技术的发展，LCD显示被附加了更多的显示功能，如现有技术运用最广泛的三维(3D)显示，3D显示更真实，更有场景感和进入感。
目前，3D显示技术主要包括戴眼镜式与不戴眼镜式的裸眼式，戴眼镜式的3D显示技术发展的已经很成熟，但不能使我们摆脱特制眼镜的束缚，这使得其应用范围以及使用舒适度都打了折扣；裸眼式的3D显示技术由于不用戴眼镜，受到越来越多人们的关注，成为未来3D显示技术的发展方向。
目前的基于视差原理的裸眼3D显示装置普遍采用柱面镜或狭缝光栅器件，通过将不同视角的图像分别显示在显示器不同位置，通过折射或遮挡原理，使观看者每只眼镜在不同视角仅能看到单一视角的图像，两只眼睛看到的具有视差的图像进入人眼后经过大脑合成即可呈现三维图像，该方法易于实现且不需要佩戴眼镜。
综上所述，现有技术实现裸眼3D显示时，需要增加柱面镜或狭缝光栅器件，生产成本较高，且大视角成像时若采用柱面镜，柱面镜的像差会严重影响三维成像的质量。
发明内容
本发明实施例提供了一种显示装置及其驱动方法，用以实现不需要增加柱面镜或狭缝光栅器件即可实现3D显示，降低生产成本。
本发明实施例提供的一种显示装置，包括黑白液晶显示面板、与所述黑白液晶显示面板贴合在一起的有机发光显示面板，以及控制所述有机发光显示面板发光的控制单元；
所述有机发光显示面板用作所述黑白液晶显示面板的背光源，包括若干阵列排列的像素，每一像素包括红色子像素、绿色子像素和蓝色子像素；
所述黑白液晶显示面板包括若干阵列排列的像素单元，每一所述像素至少对应一所述像素单元；
所述控制单元用于将一帧显示时间至少分为第一时间段、第二时间段和第三时间段，在第一时间段内仅控制所述红色子像素发光，在第二时间段内仅控制所述绿色子像素发光，在第三时间段内仅控制所述蓝色子像素发光。
由本发明实施例提供的显示装置，由于该显示装置包括贴合在一起的黑白液晶显示面板和有机发光显示面板，以及控制有机发光显示面板发光的控制单元；有机发光显示面板用作黑白液晶显示面板的背光源，控制单元用于将一帧显示时间至少分为第一时间段、第二时间段和第三时间段，在第一时间段内仅控制红色子像素发光，在第二时间段内仅控制绿色子像素发光，在第三时间段内仅控制蓝色子像素发光。本发明实施例在一帧显示时间内，有机发光显示面板中的某个子像素发光时，其它两个子像素不发光，不发光的两个子像素相当于3D显示时的后置光栅，与现有技术相比，不需要增加柱面镜或狭缝光栅器件，此时只要黑白液晶显示面板按照光路合理的分配其包括的像素单元，分别让不同的像素单元分别显示左眼及右眼的灰度内容，即可实现3D显示效果。
较佳地，所述第一时间段的时长、所述第二时间段的时长、所述第三时间段的时长均相等。
较佳地，还包括用于控制所述有机发光显示面板中的像素电路工作的柔性电路板，所述控制单元通过所述柔性电路板贴合在所述有机发光显示面板的背板上。
较佳地，所述黑白液晶显示面板的下偏光片与所述有机发光显示面板的封装盖板贴合在一起。
较佳地，所述有机发光显示面板的背板为玻璃基板或柔性基板。
较佳地，所述有机发光显示面板的封装盖板为玻璃基板。
较佳地，还包括触控单元，所述黑白液晶显示面板包括的阵列基板上设置有多个独立的自电容电极，每一所述自电容电极通过一条触控引线与所述触控单元连接，所述自电容电极复用所述阵列基板包括的公共电极。
较佳地，所述公共电极的材料为氧化铟锡或氧化铟锌，或为氧化铟锡和氧化铟锌的复合材料。
本发明实施例还提供了一种上述显示装置的驱动方法，包括：
3D显示时，控制单元在第一时间段内仅控制红色子像素发光，在第二时间段内仅控制绿色子像素发光，在第三时间段内仅控制蓝色子像素发光；所述第一时间段、所述第二时间段和所述第三时间段为一帧显示时间内的三个不同的时间段；
2D显示时，控制单元在所述第一时间段、所述第二时间段和所述第三时间段内均控制所述红色子像素、所述绿色子像素和所述蓝色子像素发光。
较佳地，所述第一时间段的时长、所述第二时间段的时长、所述第三时间段的时长均相等。
附图说明
图1为本发明实施例提供的一种显示装置的结构示意图；
图2为本发明实施例提供的显示装置在一帧显示时间的第一时间段内的光线传播示意图；
图3为本发明实施例提供的显示装置在一帧显示时间的第二时间段内的光线传播示意图；
图4为本发明实施例提供的显示装置在一帧显示时间的第三时间段内的光线传播示意图。
具体实施方式
本发明实施例提供了一种显示装置及其驱动方法，用以实现不需要增加柱面镜或狭缝光栅器件即可实现3D显示，降低生产成本。
除非另作定义，本发明使用的技术术语或者科学术语应当为本发明所属领域内具有一般技能的人士所理解的通常意义。本发明专利申请说明书以及权利要求书中使用的“第一”、“第二”以及类似的词语并不表示任何顺序、数量或者重要性，而只是用来区分不同的组成部分。同样，“一个”、“一”或者“该”等类似词语也不表示数量限制，而是表示存在至少一个。“包括”或者“包含”等类似的词语意指出现该词前面的元件或者物件涵盖出现在该词后面列举的元件或者物件及其等同，而不排除其他元件或者物件。“上”、“下”、“左”、“右”、“底”、“顶”等仅用于表示相对位置关系，当被描述对象的绝对位置改变后，则该相对位置关系也可能相应地改变。
为了使本发明的目的、技术方案和优点更加清楚，下面将结合附图对本发明作进一步地详细描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其它实施例，都属于本发明保护的范围。
下面结合附图详细介绍本发明具体实施例提供的显示装置。
附图中各膜层厚度和区域大小、形状不反应各膜层的真实比例，目的只是示意说明本发明内容。
如图1所示，本发明具体实施例提供了一种显示装置，包括黑白液晶显示面板11、与黑白液晶显示面板11贴合在一起的有机发光显示面板12，以及控制有机发光显示面板12发光的控制单元13；
有机发光显示面板12用作黑白液晶显示面板11的背光源，包括若干阵列排列的像素120，每一像素120包括红色(R)子像素1201、绿色(G)子像素1202和蓝色(B)子像素1203；
黑白液晶显示面板11包括若干阵列排列的像素单元(图中未示出)，每一像素120至少对应一像素单元，黑白液晶显示面板11像素单元的具体设置与现有技术相同，这里不再赘述；
控制单元13用于将一帧显示时间至少分为第一时间段、第二时间段和第三时间段，在第一时间段内仅控制红色子像素1201发光，在第二时间段内仅控制绿色子像素1202发光，在第三时间段内仅控制蓝色子像素1203发光。
本发明具体实施例中的黑白液晶显示面板11包括相对设置的阵列基板、对向基板、位于阵列基板和对向基板之间的液晶层115、位于阵列基板背向对向基板一侧的下偏光片1111、位于对向基板背向阵列基板一侧的上偏光片111，以及将阵列基板和对向基板进行粘合的封框胶119。
具体地，本发明具体实施例中的阵列基板包括第一衬底基板1110、位于第一衬底基板1110上的像素电极116、公共电极117、以及位于像素电极116和公共电极117之间的绝缘层118，本发明具体实施例中的第一衬底基板1110为玻璃基板，也可以为柔性基板等类型的基板，本发明具体实施例阵列基板包括的其它膜层，如：栅极层、源漏极层等，在图中未示出，本发明具体实施例阵列基板上各膜层的具体设置与现有技术相同，这里不再赘述。
具体地，本发明具体实施例中的对向基板包括第二衬底基板112、位于第二衬底基板112上的黑矩阵113和位于黑矩阵113上的保护层114，本发明具体实施例中的第二衬底基板112为玻璃基板，也可以为柔性基板等类型的基板，本发明具体实施例对向基板上各膜层的具体设置与现有技术彩膜基板上的各膜层的设置类似，所不同的是对向基板上不设置彩膜层，这里不再赘述。
本发明具体实施例中的有机发光显示面板12包括背板125、位于背板125上的有机发光电路阵列123、位于有机发光电路阵列123上方的阴极122、与背板相对设置的封装盖板121，以及将背板125与封装盖板121粘合在一起的封装胶124，优选地，本发明具体实施例有机发光显示面板的背板125为玻璃基板或柔性基板，封装盖板121为玻璃基板，当然，在实际应用中，背板和封装盖板还可以为其它类型的基板，这里不对背板和封装盖板的材料做限定。本发明具体实施例有机发光显示面板12上各膜层以及具体的有机发光电路阵列的设置与现有技术相同，这里不再赘述。
具体实施时，如图1所示，本发明具体实施例中的黑白液晶显示面板11的下偏光片1111与有机发光显示面板12的封装盖板121通过贴合胶14贴合在一起，此时用有机发光显示面板12作为黑白液晶显示面板11的背光源。
具体实施时，本发明具体实施例中的显示装置还包括用于控制有机发光显示面板中的像素电路工作的柔性电路板(FlexiblePrintedCircuit，FPC)(图中未示出)，如图1所示，本发明具体实施例中的控制单元13通过FPC贴合(bonding)在有机发光显示面板12的背板125上，控制有机发光显示面板12的发光。
下面结合附图详细介绍通过本发明具体实施例提供的显示装置实现3D显示的过程。
本发明具体实施例为实现3D显示，需要黑白液晶显示面板相应像素单元显示不同的画面，分别为画面1(View1)和画面2(View2)，确保显示View1的部分，其画面内容只能进入人的左眼，显示View2的部分，其画面内容只能进入人的右眼。
具体地，如图2所示，图中23表示有机发光显示面板中的多个像素，24表示黑白液晶显示面板中的多个像素单元，有机发光显示面板在一帧显示时间的第一时间段内，所有的R子像素发光，所有的G子像素和B子像素均不发光，此时有机发光显示面板相当于一个红色背光源，这里以有机发光显示面板包括的2个R子像素、2个G子像素和2个B子像素为例进行说明。从图中可以看到，左侧R子像素其光路经过黑白液晶显示面板中的像素单元1进入左眼21，经过黑白液晶显示面板中的像素单元8进入右眼22；右侧R子像素其光路经过黑白液晶显示面板中的像素单元4进入左眼21，经过黑白液晶显示面板中的像素单元11进入右眼22。
如图3所示，有机发光显示面板在一帧显示时间的第二时间段内，所有的G子像素发光，所有的R子像素和B子像素均不发光，此时有机发光显示面板相当于一个绿色背光源。从图中可以看到，左侧G子像素其光路经过黑白液晶显示面板中的像素单元2进入左眼21，经过黑白液晶显示面板中的像素单元9进入右眼22；右侧G子像素其光路经过黑白液晶显示面板中的像素单元5进入左眼21，经过黑白液晶显示面板中的像素单元12进入右眼22。
如图4所示，有机发光显示面板在一帧显示时间的第三时间段内，所有的B子像素发光，所有的R子像素和G子像素均不发光，此时有机发光显示面板相当于一个蓝色背光源。从图中可以看到，左侧B子像素其光路经过黑白液晶显示面板中的像素单元3进入左眼21，经过黑白液晶显示面板中的像素单元10进入右眼22；右侧B子像素其光路经过黑白液晶显示面板中的像素单元6进入左眼21，经过黑白液晶显示面板中的像素单元13进入右眼22。
当然，在具体实施时，本发明具体实施例在第一时间段也可以仅控制B子像素发光，还可以仅控制G子像素发光，本发明具体实施例并不对R子像素、G子像素和B子像素的发光顺序做限定。
具体实施时，本发明具体实施例中的第一时间段的时长、第二时间段的时长、第三时间段的时长均相等，这样能够更好的保证用户观察到的画面的品质。本发明具体实施例有机发光显示面板中的某个子像素发光时，其它两个子像素为暗态，暗态的两个子像素相当于3D显示时的后置光栅，此时只要黑白液晶显示面板分配其包括的像素单元分别显示View1及View2的灰度内容，即可实现3D显示效果。本发明具体实施例中的有机发光显示面板的分辨率不需要与黑白液晶显示面板的分辨率一样，比黑白液晶显示面板的分辨率低就可以满足要求。以图2-图4为例，像素单元1、2、3以及像素单元4、5、6分别表示两个R、G、B子像素显示View1的灰度；像素单元8、9、10以及像素单元11、12、13分别表示两个R、G、B子像素显示View2的灰度。
具体实施时，如图2、3或4所示，本发明具体实施例的黑白液晶显示面板中的像素单元7不接收有机发光显示面板发出的光，当人眼相对于黑白液晶显示面板发生移动时，当其开启时，有机发光显示面板中的发光子像素发出的光可以通过像素单元7进入左眼，显示View1的画面内容；还可以通过像素单元7进入右眼，显示View2的画面内容。具体光线进入左眼还是右眼，可以根据人眼的位置以及所要显示的像素位置进行调整。
另外，本发明具体实施例中的黑白液晶显示面板还可以为带触控功能的面板。具体地，本发明具体实施例中的黑白液晶显示面板还包括触控单元，黑白液晶显示面板包括的阵列基板上设置有多个独立的自电容电极，每一自电容电极通过一条触控引线与触控单元连接，自电容电极复用阵列基板包括的公共电极。本发明具体实施例自电容电极以及触控引线和触控单元的具体设置与现有技术相同，这里不再赘述。当然，本发明具体实施例中的黑白液晶显示面板中还可以设置互电容的驱动电极和感应电极，驱动电极和感应电极的具体设置也与现有技术相同。
优选地，本发明具体实施例中公共电极的材料为氧化铟锡(ITO)或氧化铟锌(IZO)，或为ITO和IZO的复合材料。本发明具体实施例中公共电极还可以选择其它类型的材料，这里不对公共电极的具体材料做限定。
本发明具体实施例还提供了一种上述显示装置的驱动方法，包括：
3D显示时，控制单元在第一时间段内仅控制红色子像素发光，在第二时间段内仅控制绿色子像素发光，在第三时间段内仅控制蓝色子像素发光；所述第一时间段、所述第二时间段和所述第三时间段为一帧显示时间内的三个不同的时间段；
2D显示时，控制单元在第一时间段、第二时间段和第三时间段内均控制红色子像素、绿色子像素和蓝色子像素发光。
优选地，本发明具体实施例中的第一时间段的时长、第二时间段的时长、第三时间段的时长均相等。
综上所述，本发明具体实施例提供一种显示装置，包括黑白液晶显示面板、与黑白液晶显示面板贴合在一起的有机发光显示面板，以及控制有机发光显示面板发光的控制单元；有机发光显示面板用作黑白液晶显示面板的背光源，包括若干阵列排列的像素，每一像素包括红色子像素、绿色子像素和蓝色子像素；黑白液晶显示面板包括若干阵列排列的像素单元，每一像素至少对应一像素单元；控制单元用于将一帧显示时间至少分为第一时间、第二时间和第三时间，在第一时间段内仅控制红色子像素发光，在第二时间段内仅控制绿色子像素发光，在第三时间段内仅控制蓝色子像素发光。本发明具体实施例在一帧显示时间内，有机发光显示面板中的某个子像素发光时，其它两个子像素不发光，不发光的两个子像素相当于3D显示时的后置光栅，与现有技术相比，不需要增加柱面镜或狭缝光栅器件，此时只要黑白液晶显示面板按照光路合理的分配其包括的像素单元，分别让不同的像素单元分别显示左眼及右眼的灰度内容，即可实现3D显示效果。
显然，本领域的技术人员可以对本发明进行各种改动和变型而不脱离本发明的精神和范围。这样，倘若本发明的这些修改和变型属于本发明权利要求及其等同技术的范围之内，则本发明也意图包含这些改动和变型在内。

Claims (10)

1.一种显示装置，其特征在于，包括黑白液晶显示面板、与所述黑白液晶显示面板贴合在一起的有机发光显示面板，以及控制所述有机发光显示面板发光的控制单元；
所述有机发光显示面板用作所述黑白液晶显示面板的背光源，包括若干阵列排列的像素，每一像素包括红色子像素、绿色子像素和蓝色子像素；
所述黑白液晶显示面板包括若干阵列排列的像素单元，每一所述像素至少对应一所述像素单元；
所述控制单元用于将一帧显示时间至少分为第一时间段、第二时间段和第三时间段，在第一时间段内仅控制所述红色子像素发光，在第二时间段内仅控制所述绿色子像素发光，在第三时间段内仅控制所述蓝色子像素发光。
2.根据权利要求1所述的显示装置，其特征在于，所述第一时间段的时长、所述第二时间段的时长、所述第三时间段的时长均相等。
3.根据权利要求2所述的显示装置，其特征在于，还包括用于控制所述有机发光显示面板中的像素电路工作的柔性电路板，所述控制单元通过所述柔性电路板贴合在所述有机发光显示面板的背板上。
4.根据权利要求3所述的显示装置，其特征在于，所述黑白液晶显示面板的下偏光片与所述有机发光显示面板的封装盖板贴合在一起。
5.根据权利要求4所述的显示装置，其特征在于，所述有机发光显示面板的背板为玻璃基板或柔性基板。
6.根据权利要求5所述的显示装置，其特征在于，所述有机发光显示面板的封装盖板为玻璃基板。
7.根据权利要求6所述的显示装置，其特征在于，还包括触控单元，所述黑白液晶显示面板包括的阵列基板上设置有多个独立的自电容电极，每一所述自电容电极通过一条触控引线与所述触控单元连接，所述自电容电极复用所述阵列基板包括的公共电极。
8.根据权利要求7所述的显示装置，其特征在于，所述公共电极的材料为氧化铟锡或氧化铟锌，或为氧化铟锡和氧化铟锌的复合材料。
9.一种如权利要求1-8任一权项所述的显示装置的驱动方法，其特征在于，所述方法包括：
3D显示时，控制单元在第一时间段内仅控制红色子像素发光，在第二时间段内仅控制绿色子像素发光，在第三时间段内仅控制蓝色子像素发光；所述第一时间段、所述第二时间段和所述第三时间段为一帧显示时间内的三个不同的时间段；
2D显示时，控制单元在所述第一时间段、所述第二时间段和所述第三时间段内均控制所述红色子像素、所述绿色子像素和所述蓝色子像素发光。
10.根据权利要求9所述的方法，其特征在于，所述第一时间段的时长、所述第二时间段的时长、所述第三时间段的时长均相等。
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