CN113777852A - 一种基于四种专用颜色的电子墨水屏及其显色方法 - Google Patents

一种基于四种专用颜色的电子墨水屏及其显色方法 Download PDF

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CN113777852A
CN113777852A CN202111178211.0A CN202111178211A CN113777852A CN 113777852 A CN113777852 A CN 113777852A CN 202111178211 A CN202111178211 A CN 202111178211A CN 113777852 A CN113777852 A CN 113777852A
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秦曙光
廖泽宇
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Zhuhai Readboy Software Technology Co Ltd
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Abstract

本发明公开了一种基于四种专用颜色的电子墨水屏及其显色方法，电子墨水屏中，采用四个微胶囊或微杯构成一个像素块，每个微胶囊或微杯中仅有带两种颜色的带电染色粒子，驱动时只需要驱动其中一种需要参与显色的带电染色粒子移动至微胶囊或微杯的顶部即可，驱动电路简单，刷新效率高，显色明亮。

Description

一种基于四种专用颜色的电子墨水屏及其显色方法
技术领域
本发明涉及电子墨水屏技术领域，具体涉及一种基于四种专用颜色的电子墨水屏及其显色方法。
背景技术
电子墨水屏基于省电、护眼的特点得到迅速的发展，但是普遍都是黑白两种颜色，这就制约了电子墨水屏往多媒体的发展。
当前电子墨水屏已经出现了彩色屏幕，但是因为彩色屏幕颜色过多，从而导致驱动电路设计复杂，刷新率降低，电子纸使用过程中的卡顿感会更加明显。考虑到上述的黑白墨水屏和多彩墨水屏的不足，如果可以利用两者的优点，为特定的场景提供对应的专有颜色屏幕，会有很大的实用价值。
发明内容
针对现有技术的不足，本发明旨在提供一种基于四种专用颜色的电子墨水屏及其显色方法。
为了实现上述目的，本发明采用如下技术方案：
一种基于四种专用颜色的电子墨水屏，包括多个像素块，每个像素块中均容置有四个微胶囊或微杯，四个微胶囊或微杯呈田字形排布；四个微胶囊或微杯中均装载有两种不同颜色的带电染色粒子，并且在一个微胶囊或微杯中，相同颜色的带电染色粒子电性相同，不同颜色的带电染色粒子电性不同；每个微胶囊或微杯中均包含有带专用色一的带电染色粒子，并且其中两个微胶囊或微杯中分别装载有带专用色二、专用色三的带电染色粒子；余下两个微胶囊或微杯中均装载有带专用色四的带电染色粒子，并且该两个微胶囊或微杯分别排布在田字形的对角线上；在同一显色时间内，带专用色二、专用色三和专用色四的带电染色粒子中最多只有一种覆盖在所在微胶囊或微杯的顶部。
进一步地，各个微胶囊或微杯中的带专用色一的带电染色粒子的电性均为正电荷，其余带电染色粒子的电性为负电荷。
作为其中一种方式，每个像素块中的各个微胶囊或微杯分别采用不同的驱动电路单独进行控制驱动。
作为另一种方式，每个像素块中，装载有带专用色二和专用色三的带电染色粒子的两个微胶囊或微杯分别采用不同的驱动电路进行驱动控制，装载有带专用色四的带电染色粒子的两个微胶囊或微杯采用同一驱动电路进行驱动控制。
本发明公开了一种利用上述电子墨水屏的显色方法，具体过程为：
令每个微胶囊或微杯中带专用色一的带电染色粒子带上正电荷或负电荷，同一微胶囊或微杯中的带另一种颜色的带电染色粒子则带上相反的电荷；
按照显示界面的显色要求，获取每个像素块上需要展示的颜色；
根据需要展示的颜色，给每个像素块中的各个微胶囊或微杯给予相应的驱动电压进行驱动，使其内部形成相应的电场，从而使需要参与显色的带电染色粒子移动并覆盖在所在微胶囊或微杯的顶部，不需要参与显色的带电染色粒子位于所在微胶囊或微杯的底部。
本发明的有益效果在于：本发明采用四个微胶囊或微杯构成一个像素块，每个微胶囊或微杯中仅有带两种颜色的带电染色粒子，驱动时只需要驱动其中一种需要参与显色的带电染色粒子移动至微胶囊或微杯的顶部即可，驱动电路简单，刷新效率高，显色明亮。
附图说明
图1为本发明实施例1中的像素块结构示意图。
具体实施方式
以下将结合附图对本发明作进一步的描述，需要说明的是，本实施例以本技术方案为前提，给出了详细的实施方式和具体的操作过程，但本发明的保护范围并不限于本实施例。
实施例1
本实施例提供一种基于四种专用颜色的电子墨水屏，如图1所示，包括多个像素块1(图中仅显示一个像素块的结构)，每个像素块1中均容置有四个微胶囊或微杯2、3、4、5，四个微胶囊或微杯呈田字形排布；四个微胶囊或微杯2、3、4、5中均装载有两种不同颜色的带电染色粒子6、7，并且在一个微胶囊或微杯中，相同颜色的带电染色粒子电性相同，不同颜色的带电染色粒子电性不同；每个微胶囊或微杯中均包含有带专用色一的带电染色粒子，并且其中两个微胶囊或微杯2、5中分别装载有带专用色二、专用色三的带电染色粒子；余下两个微胶囊或微杯3、4中均装载有带专用色四的带电染色粒子，并且该两个微胶囊或微杯3、4分别排布在田字形的对角线上。
需要说明的是，专用色一作为基底色，可以是常用的背景色，也可以是在显示过程中需要占比最多的颜色，例如可以是常见的背景色白色，也可以是在护眼屏中的背景色绿色，具体根据实际应用需要而定，专用色一的最大显色比例是100％(在专用色一显色时，最多可以四个微胶囊或微杯的带专用色一的带电染色粒子都移动到微胶囊或微杯中的顶部参与显色，覆盖面积是100％)。专用色四是除了专用色一外最大显色比例最高的颜色，有50％。专用色四同样可以根据应用需求确定，例如在黑白色使用比较多的场合，在选用白色作为专用色一的同时，可以选择黑色作为专用色四。同理，专用色二、专用色三可以根据需要选择，如绿色、红色等，两者的显色比例均为25％。
需要说明的是，将装载有带专用色四的带电染色粒子的两个微胶囊或微杯呈对角线排布，可以使得专用色四显示更纯，尽可能抵消一个像素显示黑色时显示的黑色较浅的问题。
需要说明的是，微胶囊的具体结构可以参考中国专利申请CN103091926A中的相关描述，微杯的结构可以参考中国专利CN1246730C中的相关描述，此处不再赘述。
在本实施例中，各个微胶囊或微杯中的带专用色一的带电染色粒子的电性均为正电荷，其余带电染色粒子的电性为负电荷。
在本实施例中，每个像素块中的各个微胶囊或微杯分别采用不同的驱动电路单独进行控制驱动。通过对各个微胶囊或微杯分别施加相应的驱动电压，使其内部形成电场，可以分别驱动各个微胶囊或微杯中需要参与显色的带电染色粒子移动到所在微胶囊或微杯的顶部，其他不需要参与显色的带电染色粒子位于所在微胶囊或微杯的底部。从而可以实现像素块显色为红白白白组合的红色、白白白白组合的白色、白白黑黑组合的黑色、绿白白白组合的绿色。这种驱动方式和黑白驱动差异不大，刷新效率高，显色明亮。
作为另一种实施方式，还可以令装载有带专用色二和专用色三的带电染色粒子的两个微胶囊或微杯分别采用不同的驱动电路进行驱动控制，装载有带专用色四的带电染色粒子的两个微胶囊或微杯采用同一驱动电路进行驱动控制(因为这两个微胶囊或微杯的显色是统一的)。
需要说明的是，图1所示的是像素块顶面视觉的平面示意图，图示正面为像素块的正面。
实施例2
本实施例提供一种利用实施例1所述电子墨水屏的显色方法，具体过程为：
令每个微胶囊或微杯中带专用色一的带电染色粒子带上正电荷或负电荷，同一微胶囊或微杯中的带另一种颜色的带电染色粒子则带上相反的电荷。
按照显示界面的显色要求，获取每个像素块上需要展示的颜色。
根据需要展示的颜色，给每个像素块中的各个微胶囊或微杯给予相应的驱动电压进行驱动，使其内部形成相应的电场，从而使需要参与显色的带电染色粒子移动并覆盖在所在微胶囊或微杯的顶部，不需要参与显色的带电染色粒子位于所在微胶囊或微杯的底部。
需要说明的是，虽然每个像素块中对应专用色二、专用色三、专用色四只有部分显色，其余部分为基底色，仍然具备良好的显色能力。虽然显色比例只有25％的专用色二、专用色三会存在微小的颗粒感，但是对使用体验影响并不大。
对于本领域的技术人员来说，可以根据以上的技术方案和构思，给出各种相应的改变和变形，而所有的这些改变和变形，都应该包括在本发明权利要求的保护范围之内。

Claims (5)

1.一种基于四种专用颜色的电子墨水屏，其特征在于，包括多个像素块，每个像素块中均容置有四个微胶囊或微杯，四个微胶囊或微杯呈田字形排布；四个微胶囊或微杯中均装载有两种不同颜色的带电染色粒子，并且在一个微胶囊或微杯中，相同颜色的带电染色粒子电性相同，不同颜色的带电染色粒子电性不同；每个微胶囊或微杯中均包含有带专用色一的带电染色粒子，并且其中两个微胶囊或微杯中分别装载有带专用色二、专用色三的带电染色粒子；余下两个微胶囊或微杯中均装载有带专用色四的带电染色粒子，并且该两个微胶囊或微杯分别排布在田字形的对角线上；在同一显色时间内，带专用色二、专用色三和专用色四的带电染色粒子中最多只有一种覆盖在所在微胶囊或微杯的顶部。
2.根据权利要求1所述的电子墨水屏，其特征在于，各个微胶囊或微杯中的带专用色一的带电染色粒子的电性均为正电荷，其余带电染色粒子的电性为负电荷。
3.根据权利要求1所述的电子墨水屏，其特征在于，每个像素块中的各个微胶囊或微杯分别采用不同的驱动电路单独进行控制驱动。
4.根据权利要求1所述的电子墨水屏，其特征在于，每个像素块中，装载有带专用色二和专用色三的带电染色粒子的两个微胶囊或微杯分别采用不同的驱动电路进行驱动控制，装载有带专用色四的带电染色粒子的两个微胶囊或微杯采用同一驱动电路进行驱动控制。
5.一种利用权利要求1-4任一所述电子墨水屏的显色方法，其特征在于，具体过程为：
令每个微胶囊或微杯中带专用色一的带电染色粒子带上正电荷或负电荷，同一微胶囊或微杯中的带另一种颜色的带电染色粒子则带上相反的电荷；
按照显示界面的显色要求，获取每个像素块上需要展示的颜色；
根据需要展示的颜色，给每个像素块中的各个微胶囊或微杯给予相应的驱动电压进行驱动，使其内部形成相应的电场，从而使需要参与显色的带电染色粒子移动并覆盖在所在微胶囊或微杯的顶部，不需要参与显色的带电染色粒子位于所在微胶囊或微杯的底部。
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US20110069372A1 (en) * 2009-09-23 2011-03-24 Hong Fu Jin Precision Industry (Shenzhen) Co., Ltd. Electrophoretic display
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CN109031843A (zh) * 2018-08-09 2018-12-18 南方科技大学 一种显示面板及装置
CN113093420A (zh) * 2021-03-17 2021-07-09 武汉华星光电技术有限公司 显示面板和显示装置
CN216848412U (zh) * 2021-10-09 2022-06-28 珠海读书郎软件科技有限公司 一种基于四种专用颜色的电子墨水屏

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US20110069372A1 (en) * 2009-09-23 2011-03-24 Hong Fu Jin Precision Industry (Shenzhen) Co., Ltd. Electrophoretic display
CN105807531A (zh) * 2014-12-31 2016-07-27 广州奥翼电子科技有限公司 一种微胶囊电泳电子纸彩色显示屏及其彩色显示层
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