CN107153297A - 显示面板及显示设备 - Google Patents
显示面板及显示设备 Download PDFInfo
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- CN107153297A CN107153297A CN201710599799.4A CN201710599799A CN107153297A CN 107153297 A CN107153297 A CN 107153297A CN 201710599799 A CN201710599799 A CN 201710599799A CN 107153297 A CN107153297 A CN 107153297A
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- 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
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Abstract
本发明公布了一种显示面板,所述显示面板包括第一基板、液晶层及第二基板,所述液晶层位于所述第一基板与所述第二基板之间,所述第一基板包括阵列排布的红色子像素、绿色子像素及蓝色子像素,所述红色子像素填充有红色量子点,所述绿色子像素填充有绿色量子点,所述蓝色子像素填充有透明散射粒子,所述蓝色背光模组位于所述第二基板背离所述液晶层的一侧并向所述显示面板提供蓝色背光源。本发明还公布了一种显示设备。所述蓝色背光源激发所述红色量子点和所述绿色量子点散射红色光线和绿色光线,所述蓝色背光源被所述透明散射粒子打散后搭配所述红色光线和所述绿色光线提高所述显示面板的大视角处显示亮度,改善视角表现,提高用户体验。
Description
技术领域
本发明涉及显示技术领域,尤其是涉及一种显示面板及显示设备。
背景技术
随着科技的发展和社会的进步,人们对于信息交流和传递等方面的依赖程度日益增加。而显示器件,特别是液晶显示器(Liquid Crystal Display,LCD),作为信息交换和传递的主要载体和物质基础,已经成为越来越多人关注的焦点,并广泛应用在工作和生活的方方面面。
液晶显示器的显示视角一直是液晶显示器显示效果的重要评价标准之一,现有技术中,TN、VA等液晶显示器在正视视角显示亮度较好,但是大视角的显示表现不佳,大视角处显示亮度明显较低,导致液晶显示器大视角亮度与正视角亮度差异大,各视角亮度不平衡,显示效果差,影响用户体验。
发明内容
本发明要解决的技术问题是提供一种显示面板及显示设备,用以解决现有技术中液晶显示器大视角亮度与正视角亮度差异大,各视角亮度不平衡,显示效果差,影响用户体验的问题。
为解决上述技术问题,本发明提供一种显示面板,与蓝色背光模组相对层叠设置,所述显示面板包括第一基板、液晶层及第二基板,所述液晶层位于所述第一基板与所述第二基板之间,所述第一基板包括阵列排布的红色子像素、绿色子像素及蓝色子像素,所述红色子像素填充有红色量子点,所述绿色子像素填充有绿色量子点,所述蓝色子像素填充有透明散射粒子,所述蓝色背光模组位于所述第二基板背离所述液晶层的一侧并向所述显示面板提供蓝色背光源,所述蓝色背光源激发所述红色量子点和所述绿色量子点散射红色光线和绿色光线,所述蓝色背光源被所述透明散射粒子打散后搭配所述红色光线和所述绿色光线提高所述显示面板的大视角处显示亮度。
进一步,所述显示面板还包括第一偏光片和第二偏光片,所述第一偏光片位于所述第一基板与所述液晶层之间,所述第一偏光片准直所述蓝色背光源以提高所述蓝色背光源在所述透明散射粒子中的散射效果,所述第二偏光片位于所述液晶层背离所述第一偏光片的一侧。
进一步,所述红色子像素、所述绿色子像素及所述蓝色子像素均包括入光口与出光口,所述入光口位于所述第一基板面对所述液晶层的一侧,所述出光口位于所述第一基板背离所述液晶层的一侧,所述入光口的尺寸大于所述出光口的尺寸,以提高所述红色光线、所述绿色光线及所述蓝色背光源从所述显示面板射出的角度。
进一步,所述第一基板还包括黑色矩阵,所述黑色矩阵位于所述红色子像素、所述绿色子像素及所述蓝色子像素之间。
进一步,所述第二偏光片位于所述第二基板背离所述液晶层的一侧。
进一步,所述透明散射粒子包括无机纳米粒子和树脂微球。
进一步,所述透明散射粒子的直径为10nm~1um。
进一步,所述红色量子点和所述绿色量子点材料体系为丙烯酸系、环氧类或聚烯烃类树脂。
进一步,所述显示面板还包括透明盖板,所述透明盖板位于所述第一基板背离所述液晶层的一侧。
本发明还提供一种显示设备,所述显示设备包括蓝色背光模组及以上任意一项所述显示面板,所述蓝色背光模组位于所述第二基板背离所述液晶层的一侧并向所述显示面板提供蓝色背光源。
本发明的有益效果如下:蓝色背光模组提供的蓝色背光源依次穿过第二基板和液晶层后照射到第一基板,蓝色背光源激发红色量子点发射红色光线,蓝色背光源激发绿色量子点发射绿色光线,量子点材料产生的红色光线和绿色光线向显示面板外各方向散射,蓝色背光源穿过透明散射粒子向显示面板外发射蓝色光线,透明散射粒子重新打散蓝色背光源,光型被拓宽的蓝色光线搭配红色光线和绿色光线的散射效果,提高了液晶显示器大视角处显示亮度,大视角亮度与正视角亮度变化梯度缓和,平衡了各视角亮度,改善视角表现,提高用户体验。
附图说明
为了更清楚地说明本发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地介绍,显而易见地,下面描述中的附图仅仅是本发明的一些实施例,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明显变形方式。
图1为本发明实施例一提供的显示面板的结构示意图。
图2为本发明实施例一提供的第一基板的放大示意图。
图3为本发明实施例一提供的第一基板的出光示意图。
图4为本发明实施例二提供的显示面板的结构示意图。
图5为本发明实施例三提供的显示面板的结构示意图。
图6为本发明实施例提供的显示设备的结构示意图。
具体实施方式
下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述,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他实施例,都属于本发明保护的范围。
请参阅图1,本发明实施例一提供的显示面板20与蓝色背光模组10相对层叠设置,蓝色背光模组10发出蓝色的背光源进入液晶面板后使液晶面板显示彩色图像信息,用于用户通过人眼接收。一种实施方式中,显示面板20为液晶显示面板,液晶显示面板通过施加于液晶分子上的驱动电压的大小调节液晶分子的偏转角度,从而控制显示面板20显示的图像。
本发明实施例一提供的显示面板20包括第一基板22、液晶层26及第二基板24,液晶层26位于第一基板22与第二基板24之间,一种实施方式中,第一基板22为彩膜基板,第二基板24为阵列基板,第一基板22、液晶层26及第二基板24一次层叠设置并通过框胶密封后形成液晶盒。第一基板22提供公共电压,第二基板24提供像素电压,通过改变公共电压与像素电压的压差(即驱动电压)调节液晶分子的偏转角度。
结合图2,第一基板22包括阵列排布的红色子像素222、绿色子像素224及蓝色子像素226,红色子像素222用于发出红色的光线,绿色子像素224用于发出绿色的光线,蓝色子像素226用于发出蓝色的光线,通过控制红、绿、蓝三原色光线的亮暗与搭配可以显示任意的彩色图像。
本实施例中,红色子像素222填充有红色量子点,绿色子像素224填充有绿色量子点。一种实施方式中,红色量子点和绿色量子点为量子点(Quantum Dots,QDs)材料,量子点材料能够将高能区的背光源(本实施例中为蓝色背光模组10提供的蓝色背光源)转换成可控的三色子像素,例如红色量子点将蓝色背光源转化为红色光线,绿色量子点将蓝色背光源转化为绿色光线。具体的,量子点材料本身具备光转换能力,在受到蓝色背光源激发的情况下,发生电子跃迁,而后以荧光辐射的形式完成电子空穴的复合,量子点材料作为典型的零维纳米材料,其各个方向都是在量子限域范围内的尺寸,因此荧光辐射也不存在方向选择性,故受激后的量子点材料是向360°无差别辐射荧光的,第一基板22发出的红色光线和绿色光线向各方向散射,可以有效平衡各视角亮度情况,大视角亮度与正视视角亮度的差异的梯度变化较缓和。一种实施方式中,红色量子点和绿色量子点材料体系为丙烯酸系、环氧类或聚烯烃类树脂。
本实施例中,蓝色子像素226填充有透明散射粒子2260,蓝色背光源照射至第一基板22的蓝色子像素226时,蓝色背光源穿过透明散射粒子2260并以蓝色光线向显示面板20外射出。具体的,蓝色背光源穿过透明散射粒子2260时蓝色光线被重新打散,光型被拓宽,形成向显示面板20外各方向散射的蓝色光线,同时搭配红色子像素222发出的红色光线、绿色子像素224发出的绿色光线的散射效果,从显示面板20发出的所有光线均覆盖较大的显示角度,最终实现改善视角表现的目的。
一种实施方式中,透明散射粒子2260包括无机纳米粒子和树脂微球,具体的,透明散射粒子2260包括TiO2,SiO2,ZnO等,树脂微球包括聚苯乙烯、聚甲基丙烯酸甲酯(PMMA)等。无机纳米粒子和树脂微球具有良好的透明度以提高蓝色背光源的透过率,并且使蓝色光线具有良好的散射效果。
一种实施方式中,透明散射粒子2260的直径为10nm~1um,以提高透明散射粒子2260对蓝色背光源的散射效果。具体的,无机纳米粒子和树脂微球的直径均为10nm~1um,可选的,无机纳米粒子的直径为20nm、100nm、500nm或800nm,树脂微球的直径为30nm、80nm、300nm或900nm。
本实施例中,蓝色背光模组10位于第二基板24背离液晶层26的一侧并向显示面板20提供蓝色背光源。具体的,蓝色背光模组10通过蓝色发光二极管(Light EmittingDiode,LED)发出的蓝色光线依次穿过第二基板24和液晶层26后到达第一基板22,并使红色子像素222、绿色子像素224及蓝色子像素226分别发出散射的红色光线、绿色光线及蓝色光线。
蓝色背光模组10提供的蓝色背光源依次穿过第二基板24和液晶层26后照射到第一基板22,蓝色背光源激发红色量子点发射红色光线,蓝色背光源激发绿色量子点发射绿色光线,量子点材料产生的红色光线和绿色光线向显示面板20外各方向散射,蓝色背光源穿过透明散射粒子2260向显示面板20外发射蓝色光线,透明散射粒子2260重新打散蓝色背光源,光型被拓宽的蓝色光线搭配红色光线和绿色光线的散射效果,提高了液晶显示器大视角处显示亮度,大视角亮度与正视角亮度变化梯度缓和,平衡了各视角亮度,改善视角表现,提高用户体验。
本实施例中,显示面板20还包括第一偏光片282和第二偏光片284,第一偏光片282和第二偏光片284分别设置在液晶层26相对的两侧,并且第二偏光片284位于液晶层26与蓝色背光模组10之间。具体的,蓝色背光源经过第二偏光片284筛选后只剩下与第二偏光片284的偏振方向相同的蓝色光线通过,偏转的液晶分子调整该蓝色光线的偏振方向,并且仅有经过调整后与第一偏光片282的偏振方向相同的蓝色光线能够穿过第一偏光片282。
结合图3,本实施例中,红色子像素222、绿色子像素224及蓝色子像素226均包括入光口22a与出光口22b,入光口22a位于第一基板22面对液晶层26的一侧,出光口22b位于第一基板22背离液晶层26的一侧,入光口22a的尺寸大于出光口22b的尺寸。具体的,第一基板22的截面中,红色子像素222、绿色子像素224及蓝色子像素226的截面为梯形,红色子像素222和绿色子像素224中,红色量子点和绿色量子点受激发出的红色光线和绿色光线在梯形的斜边反射后从出光口22b射出,以提高显示面板20射出的红色光线和绿色光线的角度;蓝色子像素226中,从入光口22a进入的蓝色光线在梯形的斜边反射后从出光口22b射出,以提高显示面板20射出的蓝色光线的角度。
一种实施方式中,第一基板22还包括黑色矩阵200,黑色矩阵200位于红色子像素222、绿色子像素224及蓝色子像素226之间。黑色矩阵200填充红色子像素222、绿色子像素224及蓝色子像素226之间的缝隙,用于遮挡显示面板20中的像素电极等不透明的元件。
请参阅图4,本发明实施例二提供的显示面板20与实施例一的区别在于,第一偏光片282位于第一基板22与液晶层26之间。具体的,蓝色光线在照射至第一基板22之前,蓝色光线已经过第一偏光片282和第二偏光片284的筛选和准直,从而使红色子像素222、绿色子像素224及蓝色子像素226接收的蓝色光线具有相同的偏振方向,并且入射方向较统一,一方面提高了红色量子点和绿色量子点的受激发光效果,另一方面有序的蓝色光线穿过透明散射粒子2260后散射效果较佳。
蓝色背光模组10提供的蓝色背光源依次穿过第二基板24和液晶层26后照射到第一基板22,蓝色背光源激发红色量子点发射红色光线,蓝色背光源激发绿色量子点发射绿色光线,量子点材料产生的红色光线和绿色光线向显示面板20外各方向散射,蓝色背光源穿过透明散射粒子2260向显示面板20外发射蓝色光线,透明散射粒子2260重新打散蓝色背光源,光型被拓宽的蓝色光线搭配红色光线和绿色光线的散射效果,提高了液晶显示器大视角处显示亮度,大视角亮度与正视角亮度变化梯度缓和,平衡了各视角亮度,改善视角表现,提高用户体验。
请参阅图5,本发明实施例三提供的显示面板20与实施例二的区别在于,第二偏光片284位于第二基板24背离液晶层26的一侧。具体的,蓝色背光源进入液晶盒前先经过第二偏光片284筛选准直,以使经过阵列基板的蓝色背光源有序,提高蓝色背光源的透过率,即提高蓝色背光源的利用率,降低能耗。
本发明实施例提供的显示面板20还包括透明盖板210,透明盖板210位于第一基板22背离液晶层26的一侧。一种实施方式中,透明盖板210贴合于第一基板22的表面。透明盖板210可以为玻璃或塑料等透明材料制成。透明盖板210用于保护显示面板20,以避免刮伤或损坏第一基板22。
蓝色背光模组10提供的蓝色背光源依次穿过第二基板24和液晶层26后照射到第一基板22,蓝色背光源激发红色量子点发射红色光线,蓝色背光源激发绿色量子点发射绿色光线,量子点材料产生的红色光线和绿色光线向显示面板20外各方向散射,蓝色背光源穿过透明散射粒子2260向显示面板20外发射蓝色光线,透明散射粒子2260重新打散蓝色背光源,光型被拓宽的蓝色光线搭配红色光线和绿色光线的散射效果,提高了液晶显示器大视角处显示亮度,大视角亮度与正视角亮度变化梯度缓和,平衡了各视角亮度,改善视角表现,提高用户体验。
请参阅图6,本发明实施例还提供一种显示设备100,显示设备100包括蓝色背光模组10及本发明实施例提供的显示面板20,蓝色背光模组10位于第二基板24背离液晶层26的一侧并向显示面板20提供蓝色背光源,从而使显示面板20显示图像供人眼30观察。本发明实施例提供的显示设备100包括但不限于电视、手机、平板电脑及笔记本电脑等用于输出图像信息的电子设备。
蓝色背光模组10提供的蓝色背光源依次穿过第二基板24和液晶层26后照射到第一基板22,蓝色背光源激发红色量子点发射红色光线,蓝色背光源激发绿色量子点发射绿色光线,量子点材料产生的红色光线和绿色光线向显示面板20外各方向散射,蓝色背光源穿过透明散射粒子2260向显示面板20外发射蓝色光线,透明散射粒子2260重新打散蓝色背光源,光型被拓宽的蓝色光线搭配红色光线和绿色光线的散射效果,提高了液晶显示器大视角处显示亮度,大视角亮度与正视角亮度变化梯度缓和,平衡了各视角亮度,改善视角表现,提高用户体验。
以上所揭露的仅为本发明几种较佳实施例而已,当然不能以此来限定本发明之权利范围,本领域普通技术人员可以理解实现上述实施例的全部或部分流程,并依本发明权利要求所作的等同变化,仍属于发明所涵盖的范围。
Claims (10)
1.一种显示面板,与蓝色背光模组相对层叠设置,其特征在于,所述显示面板包括第一基板、液晶层及第二基板,所述液晶层位于所述第一基板与所述第二基板之间,所述第一基板包括阵列排布的红色子像素、绿色子像素及蓝色子像素,所述红色子像素填充有红色量子点,所述绿色子像素填充有绿色量子点,所述蓝色子像素填充有透明散射粒子,所述蓝色背光模组位于所述第二基板背离所述液晶层的一侧并向所述显示面板提供蓝色背光源,所述蓝色背光源激发所述红色量子点和所述绿色量子点散射红色光线和绿色光线,所述蓝色背光源被所述透明散射粒子打散后搭配所述红色光线和所述绿色光线提高所述显示面板的大视角处显示亮度。
2.根据权利要求1所述的显示面板,其特征在于,所述显示面板还包括第一偏光片和第二偏光片,所述第一偏光片位于所述第一基板与所述液晶层之间,所述第一偏光片准直所述蓝色背光源以提高所述蓝色背光源在所述透明散射粒子中的散射效果,所述第二偏光片位于所述液晶层背离所述第一偏光片的一侧。
3.根据权利要求2所述的显示面板,其特征在于,所述红色子像素、所述绿色子像素及所述蓝色子像素均包括入光口与出光口,所述入光口位于所述第一基板面对所述液晶层的一侧,所述出光口位于所述第一基板背离所述液晶层的一侧,所述入光口的尺寸大于所述出光口的尺寸,以提高所述红色光线、所述绿色光线及所述蓝色背光源从所述显示面板射出的角度。
4.根据权利要求3所述的显示面板,其特征在于,所述第一基板还包括黑色矩阵,所述黑色矩阵位于所述红色子像素、所述绿色子像素及所述蓝色子像素之间。
5.根据权利要求2所述的显示面板,其特征在于,所述第二偏光片位于所述第二基板背离所述液晶层的一侧。
6.根据权利要求1至5任意一项所述的显示面板,其特征在于,所述透明散射粒子包括无机纳米粒子和树脂微球。
7.根据权利要求6所述的显示面板,其特征在于,所述透明散射粒子的直径为10nm~1um。
8.根据权利要求1所述的显示面板,其特征在于,所述红色量子点和所述绿色量子点材料体系为丙烯酸系、环氧类或聚烯烃类树脂。
9.根据权利要求1所述的显示面板,其特征在于,所述显示面板还包括透明盖板,所述透明盖板位于所述第一基板背离所述液晶层的一侧。
10.一种显示设备,其特征在于,所述显示设备包括蓝色背光模组及权利要求1至9任意一项所述显示面板,所述蓝色背光模组位于所述第二基板背离所述液晶层的一侧并向所述显示面板提供蓝色背光源。
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CN110120190A (zh) * | 2019-04-10 | 2019-08-13 | 深圳康佳电子科技有限公司 | 一种Micro LED显示面板及其控制方法 |
CN110794503A (zh) * | 2019-11-25 | 2020-02-14 | Tcl华星光电技术有限公司 | 量子点偏光片及其制作方法、显示装置 |
CN111025732A (zh) * | 2019-12-12 | 2020-04-17 | Tcl华星光电技术有限公司 | 一种显示面板及装置 |
CN111341816A (zh) * | 2020-03-11 | 2020-06-26 | 武汉华星光电半导体显示技术有限公司 | 一种显示面板、显示面板制程方法及显示装置 |
CN111883008A (zh) * | 2020-08-12 | 2020-11-03 | 上海天马微电子有限公司 | 可拉伸显示面板及可拉伸显示装置 |
CN113219721A (zh) * | 2021-04-26 | 2021-08-06 | 北海惠科光电技术有限公司 | 显示装置和显示终端 |
CN115993736A (zh) * | 2021-10-20 | 2023-04-21 | 广东小天才科技有限公司 | 显示面板和显示装置 |
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US20190049777A1 (en) | 2019-02-14 |
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