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公开(公告)号：US09298040B2
公开(公告)日：2016-03-29
申请号：US14144142
申请日：2013-12-30
Applicant: LG DISPLAY CO., LTD.
Inventor： Sang-Woong Choi , Jeong-Hoon Ko , Hyoun-Sung Son , Eun-Jung Kim , Dong-Ha Yoo
IPC: G02F1/1335 , G02F1/13363 , G02F1/1343
CPC classification number: G02F1/13363 , G02F1/133634 , G02F1/134363 , G02F2001/133638 , G02F2413/02 , G02F2413/04 , G02F2413/05 , G02F2413/06
Abstract: An LCD device includes a liquid crystal panel; a first polarizer attached to a first surface of the liquid crystal panel and including a first polarizing film, first and second optical compensation films disposed on one surface of the first polarizing film, and a phase retardation film, a protective film and a functional film disposed on another surface of the first polarizing film; and a second polarizer attached to a second surface of the liquid crystal panel and including a second polarizing film, an inner protective film disposed on one surface of the second polarizing film, and an outer protective film disposed on another surface of the second polarizing film, wherein the first polarizing film is disposed between the phase retardation film and the liquid crystal panel, and the phase retardation film has a retardation value of λ/4.
Abstract translation: LCD装置包括液晶面板; 安装在液晶面板的第一表面上并包括第一偏振膜的第一偏振片，设置在第一偏振膜的一个表面上的第一和第二光学补偿膜，以及相位延迟膜，保护膜和功能膜， 在第一偏光膜的另一个表面上; 以及第二偏振器，其安装在液晶面板的第二表面，并且包括第二偏振膜，设置在第二偏振膜的一个表面上的内部保护膜和设置在第二偏振膜的另一个表面上的外部保护膜， 其特征在于，所述第一偏光膜配置在所述相位延迟膜与所述液晶面板之间，所述相位延迟膜的延迟值为λ/ 4。
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公开(公告)号：US09645639B2
公开(公告)日：2017-05-09
申请号：US13675154
申请日：2012-11-13
Applicant: LG Display Co., Ltd.
Inventor： Hyun-Woo Jang , Shi-Cheol Song , Eun-Jung Kim
CPC classification number: G06F3/011 , G01R31/2829 , G02F1/13338 , G06F3/0416 , G06F3/044
Abstract: Disclosed herein is an apparatus and method for driving a touch sensor, which is capable of improving touch sensitivity and accuracy. The touch sensor driving apparatus includes a touch sensor; a read-out circuit; and a signal processor configured to compare raw data from the read-out circuit with a predetermined primary reference value and secondary reference value so as to determine whether the touch node has been touched, wherein the signal processor collects the raw data of each touch node or each channel during a plurality of frames and resets and updates the secondary reference value of each touch node or each channel using the collected raw data.
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公开(公告)号：US20130124140A1
公开(公告)日：2013-05-16
申请号：US13675154
申请日：2012-11-13
Applicant: LG DISPLAY CO., LTD.
Inventor： Hyun-Woo Jang , Shi-Cheol Song , Eun-Jung Kim
IPC: G06F3/01
CPC classification number: G06F3/011 , G01R31/2829 , G02F1/13338 , G06F3/0416 , G06F3/044
Abstract: Disclosed herein is an apparatus and method for driving a touch sensor, which is capable of improving touch sensitivity and accuracy. The touch sensor driving apparatus includes a touch sensor; a read-out circuit; and a signal processor configured to compare raw data from the read-out circuit with a predetermined primary reference value and secondary reference value so as to determine whether the touch node has been touched, wherein the signal processor collects the raw data of each touch node or each channel during a plurality of frames and resets and updates the secondary reference value of each touch node or each channel using the collected raw data.
Abstract translation: 这里公开了一种用于驱动触摸传感器的装置和方法，其能够提高触摸灵敏度和精度。 触摸传感器驱动装置包括触摸传感器; 读出电路; 以及信号处理器，被配置为将来自读出电路的原始数据与预定的主参考值和次参考值进行比较，以便确定触摸节点是否已被触摸，其中信号处理器收集每个触摸节点的原始数据，或 在多个帧期间的每个信道，并且使用收集的原始数据重新设置和更新每个触摸节点或每个信道的辅助参考值。
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公开(公告)号：US09268173B2
公开(公告)日：2016-02-23
申请号：US14144142
申请日：2013-12-30
Applicant: LG DISPLAY CO., LTD.
Inventor： Sang-Woong Choi , Jeong-Hoon Ko , Hyoun-Sung Son , Eun-Jung Kim , Dong-Ha Yoo
IPC: G02F1/1335 , G02F1/13363 , G02F1/1343
Abstract: An LCD device includes a liquid crystal panel; a first polarizer attached to a first surface of the liquid crystal panel and including a first polarizing film, first and second optical compensation films disposed on one surface of the first polarizing film, and a phase retardation film, a protective film and a functional film disposed on another surface of the first polarizing film; and a second polarizer attached to a second surface of the liquid crystal panel and including a second polarizing film, an inner protective film disposed on one surface of the second polarizing film, and an outer protective film disposed on another surface of the second polarizing film, wherein the first polarizing film is disposed between the phase retardation film and the liquid crystal panel, and the phase retardation film has a retardation value of λ/4.
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