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    TRANSFLECTIVE DISPLAY HAVING IMPROVED CONTRAST
    291.
    发明公开
    TRANSFLECTIVE DISPLAY HAVING IMPROVED CONTRAST 有权
    具有改进的对比度半透射型显示

    公开(公告)号：EP1668404A1

    公开(公告)日：2006-06-14

    申请号：EP04769939.2

    申请日：2004-09-03

    Applicant: Koninklijke Philips Electronics N.V.

    Inventor： GOTINK-MEINDERS, Nicole, A., C., M. ,  BEEREN, Rudolf, J., M.

    IPC: G02F1/1335

    CPC classification number: G02F1/133555 ,  G02F1/133536 ,  G02F2201/08

    Abstract: The present invention provides for improved contrast in the transmissive mode of a transfiective liquid crystal display having a rear stack polarizing means (302) which is transmissive for light having a desired polarization and reflective for light having an opposite, undesired polarization. The contrast is improved due to enhancements of the black state provided by the inclusion of a reflection preventing means (306). The reflection preventing means is arranged between the transflector (301) and the rear stack polarizer (302), and serves to stop light transmitted through the rear stack polarizer (302) towards the transflector (301) from being reflected by the transflector (301) back to the rear polarizer (302). Thereby undesired reflections having wrong polarization are stopped from being transmitted through the transflector (301) and thus from affecting the transmissive mode black state of the display.

    REFLECTIVE LIQUID CRYSTAL DISPLAY
    292.
    发明授权
    REFLECTIVE LIQUID CRYSTAL DISPLAY 有权
    反射液晶显示器

    公开(公告)号：EP1014161B1

    公开(公告)日：2001-12-19

    申请号：EP99926792.5

    申请日：1999-06-24

    Applicant: Citizen Watch Co. Ltd.

    Inventor： KANEKO, Yasushi Citizen Watch Co., Ltd. ,  IMAZU, Kenzi Citizen Watch Co., Ltd. ,  KANEDA, Yoshihiro Citizen Watch Co., Ltd.

    IPC: G02F1/1335

    CPC classification number: G02F1/1397 ,  G02F1/133514 ,  G02F1/133536 ,  G02F1/133634 ,  G02F2201/08 ,  G02F2203/02

    Abstract: An STN liquid crystal element (20) comprises a first substrate (1) with a first electrode (3), a second substrate (2) with a second electrode (4), a color filter (7) formed on the first or second substrate (1, 2) and consisting of a plurality of color filters, and 180 - 270 DEG twisted nematic liquid crystal (6) between the first and second substrates. A phase plate (12) and a polarizer (11) are provided outside the second substrate (2), which becomes the front side of the STN liquid crystal element (20), while a diffuser layer (13), a reflective polarizer (14) and a light-absorbing layer (15) are provided outside the first substrate (1). The color filter (7), having a thickness of 0.5 - 2.0 microns, comprises color resist composed of photosensitive resin with 5 - 20 % pigment and has a maximum transmittivity of more than 80 % and a minimum transmittivity of 20 - 50 %.

    Abstract translation: 一种STN液晶元件（20）包括具有第一电极（3）的第一基板（1），具有第二电极（4）的第二基板（2），形成在第一或第二基板上的滤色器（7） （1,2）组成并由多个滤色器组成，在第一和第二基片之间有180-270°扭曲的向列型液晶（6）。 在成为STN液晶元件20的前侧的第二基板2的外侧设置有相位差板12和偏振片11，扩散层13，反射型偏振片14 ）和光吸收层（15）设置在第一基板（1）的外侧。 厚度为0.5-2.0微米的彩色滤光片（7）包括由光敏树脂和5-20％颜料组成的彩色光阻，其最大透射率大于80％，最小透射率为20-50％。

    REFLECTIVE LIQUID CRYSTAL DISPLAY
    293.
    发明公开
    REFLECTIVE LIQUID CRYSTAL DISPLAY 有权
    反射式液晶显示

    公开(公告)号：EP1014161A4

    公开(公告)日：2000-08-23

    申请号：EP99926792

    申请日：1999-06-24

    Applicant: CITIZEN WATCH CO LTD

    Inventor： KANEKO YASUSHI ,  IMAZU KENZI ,  KANEDA YOSHIHIRO

    IPC: G02F1/1335 ,  G02F1/13363 ,  G02F1/139

    CPC classification number: G02F1/1397 ,  G02F1/133514 ,  G02F1/133536 ,  G02F1/133634 ,  G02F2201/08 ,  G02F2203/02

    Abstract: An STN liquid crystal element (20) comprises a first substrate (1) with a first electrode (3), a second substrate (2) with a second electrode (4), a color filter (7) formed on the first or second substrate (1, 2) and consisting of a plurality of color filters, and 180 - 270 DEG twisted nematic liquid crystal (6) between the first and second substrates. A phase plate (12) and a polarizer (11) are provided outside the second substrate (2), which becomes the front side of the STN liquid crystal element (20), while a diffuser layer (13), a reflective polarizer (14) and a light-absorbing layer (15) are provided outside the first substrate (1). The color filter (7), having a thickness of 0.5 - 2.0 microns, comprises color resist composed of photosensitive resin with 5 - 20 % pigment and has a maximum transmittivity of more than 80 % and a minimum transmittivity of 20 - 50 %.

    CLOCK
    294.
    发明公开
    CLOCK 有权
    时钟

    公开(公告)号：EP1006393A1

    公开(公告)日：2000-06-07

    申请号：EP99907855.3

    申请日：1999-03-03

    Applicant: Citizen Watch Co., Ltd.

    Inventor： KANEKO, Yasushi Citizen Watch Co., Ltd. Tech. Lab. ,  IDE, Masafumi Citizen Watch Co., Ltd. Tech. Lab. ,  AKIYAMA, Takashi Citizen Watch Co., Ltd. Tech. Lab

    IPC: G02F1/1335 ,  G02F1/1333

    CPC classification number: G02F1/13362 ,  G02F1/133533 ,  G02F1/133536 ,  G02F1/133621 ,  G02F2001/133543 ,  G02F2201/08 ,  G02F2203/03 ,  G04G9/0035

    Abstract: A timepiece is provided with a liquid crystal display panel 40 having at least either of a time display section 40a and a calendar display section 40b, and comprising a TN liquid crystal cell with about 90° twisted nematic liquid crystals sealed in-between a pair of transparent substrates having respective transparent electrodes, a first polarizing film disposed on the visible side of the TN liquid crystal cell, a second polarizing film, a retardation film for circularly polarized light, a cholestric liquid crystal polymer sheet, a translucent light absorbing member and a backlight disposed successively on a side of the TN liquid crystal cell, opposite from the visible side thereof. With such a constitution, time display and calendar display are rendered visible even at night by lighting up the backlight, and colored display in a metallic tone can be indicated.

    Abstract translation: 钟表具有液晶显示面板40，该液晶显示面板40至少具有时间显示部分40a和日历显示部分40b中的任一个，并且包括具有约90°扭曲向列型液晶的TN液晶盒， 具有各自的透明电极的透明基板，设置在TN液晶单元的可见侧的第一偏振膜，第二偏振膜，圆偏振光的相位差膜，胆甾型液晶聚合物片，半透明光吸收构件和 在TN液晶盒的与其可见侧相反的一侧上依次设置背光。 利用这样的构造，通过点亮背光源，时间显示和日历显示即使在夜间也能被看到，并且可以指示金属色调的彩色显示。

    Optical waveguide device
    295.
    发明公开
    Optical waveguide device 失效
    Optische Wellenleitervorrichtung。

    公开(公告)号：EP0511815A2

    公开(公告)日：1992-11-04

    申请号：EP92303796.4

    申请日：1992-04-27

    Applicant: NEC CORPORATION

    Inventor： Kawashima, Hisao, c/o Nec Corporation

    IPC: G02F1/313 ,  G02B6/12

    CPC classification number: G02F1/3132 ,  G02F2201/07 ,  G02F2201/08 ,  G02F2202/20 ,  G02F2203/06

    Abstract: A TE polarization absorption film is provided on an optical waveguide between an output end of the optical waveguide and a directional coupler composed of the optical waveguide and another optical waveguide. In accordance with the presence of the TE polarization absorption film, a difference of output light power between polarization components becomes minimized.

    Abstract translation: TE偏光吸收膜设置在光波导的输出端和由光波导与另一光波导构成的定向耦合器之间的光波导上。 根据TE极化吸收膜的存在，偏振分量之间的输出光功率的差异变得最小。

    Display device
    296.
    发明授权
    Display device 有权

    公开(公告)号：US11899310B2

    公开(公告)日：2024-02-13

    申请号：US17772277

    申请日：2019-10-28

    Applicant: LG ELECTRONICS INC.

    Inventor： Soowang Seong ,  Seungwoong Moon ,  Juyoung Joung ,  Woongjoon Hwang

    IPC: G02F1/13357 ,  G02F1/1333

    CPC classification number: G02F1/133606 ,  G02F1/133314 ,  G02F2201/08 ,  G02F2202/28

    Abstract: A display device according to the present invention comprises: a display panel; a middle cabinet for mounting the display panel; and a foam pad which is interposed between the display panel and the middle cabinet, and has a light absorbing material formed in either an area having a contact surface with the display panel or a contact surface with the middle cabinet. The display device of the present invention may be connected to an artificial intelligence module, a robot, an augmented reality (AR) device, a virtual reality (VR) device, a device related to a 5G service, etc.

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