中科微点-全球专利检索

  1. Login
  2. Sign Up

Search Results

18 records (took 0.018 seconds)

    OPTICAL SHEET CONTROLLING EXTERNAL LIGHT, DISPLAY DEVICE AND METHOD FOR PRODUCING OPTICAL SHEET
    1.
    发明申请
    OPTICAL SHEET CONTROLLING EXTERNAL LIGHT, DISPLAY DEVICE AND METHOD FOR PRODUCING OPTICAL SHEET 审中-公开
    光学控制外部光源，显示装置及其制造方法

    公开(公告)号：US20150055235A1

    公开(公告)日：2015-02-26

    申请号：US14503629

    申请日：2014-10-01

    Applicant: DAI NIPPON PRINTING CO., LTD.

    Inventor： Tsuyoshi KASHIWAGI

    IPC: G02B5/04 ,  B05D3/06 ,  G02B5/00

    CPC classification number: G02B5/04 ,  B05D3/06 ,  B05D2518/00 ,  G02B5/003 ,  G02B5/045 ,  H01J11/10 ,  H01J11/44 ,  H01J2211/444

    Abstract: An optical sheet, which can suitably absorb external light over a wide range and can improve a contrast, a display device, and a method for producing an optical sheet. The optical sheet is disposed on an observer side relative to an image light source and includes a plurality of layers that control light emitted from the image light source to emit the light on the observer side, at least one of the plurality of layers is an optical functional sheet layer which includes prisms being arranged in parallel along the surface of the optical sheet whereby light can be transmitted and wedge portions are being arranged in parallel between the prisms whereby light can be absorbed. At least one of the plurality of layers other than the optical functional sheet layer is a light-absorbing layer.

    Abstract translation: 可以适当地吸收宽范围内的外部光并且可以改善对比度的光学片，显示装置和用于制造光学片的方法。 光学片相对于图像光源设置在观察者侧，并且包括控制从图像光源发射的光以发射观察者侧的光的多个层，多个层中的至少一个是光学 功能性片层，其包括沿着光学片的表面平行布置的棱镜，由此可以透射光，并且楔形部分平行布置在棱镜之间，由此可以吸收光。 光功能片层以外的多个层中的至少一个是光吸收层。

    OPTICAL SHEET AND METHOD OF MANUFACTURING THE SAME
    2.
    发明申请
    OPTICAL SHEET AND METHOD OF MANUFACTURING THE SAME 有权

    公开(公告)号：US20220350053A1

    公开(公告)日：2022-11-03

    申请号：US17754067

    申请日：2020-09-25

    Applicant: Dai Nippon Printing Co., Ltd.

    Inventor： Tsuyoshi KASHIWAGI

    IPC: G02B1/14 ,  G02B5/00

    Abstract: An optical sheet 1 includes an optical function film 10 and protection films 20. The optical function film 10 includes an optical function layer 11. The optical function layer 11 includes optical-element portions that are of two or more different kinds and are arrayed in one direction. The protection films 20 each include a protection layer 21 and an adhesive layer 22. The protection films 20 are peelably provided on a pair of major surfaces of the optical function film with the adhesive layer 22. The protection films 20 extend externally beyond at least a part of the periphery of the optical function film 10. In the protection films, a portion that is beyond at least the part of the periphery of the optical function film 10 includes a portion of the adhesive layer 22.

    OPTICAL SHEET, LIGHT CONTROLLING MEMBER, SURFACE LIGHT SOURCE DEVICE, IMAGE SOURCE UNIT, AND DISPLAY
    3.
    发明申请
    OPTICAL SHEET, LIGHT CONTROLLING MEMBER, SURFACE LIGHT SOURCE DEVICE, IMAGE SOURCE UNIT, AND DISPLAY 有权

    公开(公告)号：US20210397041A1

    公开(公告)日：2021-12-23

    申请号：US16498786

    申请日：2018-03-30

    Applicant: Dai Nippon Printing Co., Ltd.

    Inventor： Tsuyoshi KASHIWAGI

    IPC: G02F1/1335

    Abstract: To provide an optical sheet that makes it possible to efficiently control a light exiting angle as desired, an optical functional layer has a plurality of light transmissive portions extending in one direction, the light transmissive portions being arranged at intervals in a direction different from the one direction, and a light absorbing portion that is arranged between respective adjacent light transmissive portions, and the optical element layer extends so as to be offset from the one direction at an angle of 0° to 45° in a front view of the optical sheet, the optical element layer having a plurality of unit optical elements that are ridges aligned in a direction different from a direction in which the optical element layer extends.

    IMAGE SOURCE UNIT, AND LIQUID CRYSTAL DISPLAY DEVICE
    4.
    发明申请
    IMAGE SOURCE UNIT, AND LIQUID CRYSTAL DISPLAY DEVICE 审中-公开

    公开(公告)号：US20200081177A1

    公开(公告)日：2020-03-12

    申请号：US16680777

    申请日：2019-11-12

    Applicant: DAI NIPPON PRINTING CO., LTD.

    Inventor： Tsuyoshi KASHIWAGI

    IPC: F21V8/00

    Abstract: An image source unit includes: a surface light source device including a reflective polarizing plate; a liquid crystal panel; and an optical sheet that is arranged between the surface light source device and the liquid crystal panel, the optical sheet including: an optical function layer that is laminated to one surface of a substrate layer; and a light diffuser layer that is arranged on one surface of the optical function layer, the one surface being on an opposite side of another surface of the optical function layer where the substrate layer is arranged across the optical function layer, the optical function layer including: light transmission parts that extend in a horizontal direction, and are arranged in a plurality of rows at predetermined intervals in a vertical direction; and light absorption parts that are formed between adjacent light transmission parts, and have a lower refractive index than that of the light transmission parts, wherein an angle formed by interfaces on upper sides of the light absorption parts and a normal line of a surface of the optical sheet is narrower than that formed by the interfaces on lower sides of the light absorption parts and the normal line of the surface of the optical sheet.

    IMAGE SOURCE UNIT AND DISPLAY DEVICE
    6.
    发明申请
    IMAGE SOURCE UNIT AND DISPLAY DEVICE 审中-公开

    公开(公告)号：US20170315402A1

    公开(公告)日：2017-11-02

    申请号：US15142872

    申请日：2016-04-29

    Applicant: DAI NIPPON PRINTING CO., LTD.

    Inventor： Tsuyoshi KASHIWAGI

    IPC: G02F1/1335 ,  G02F1/1333

    CPC classification number: G02F1/133536 ,  G02B5/00 ,  G02B5/0231 ,  G02B5/0278 ,  G02F1/133504 ,  G02F1/133528 ,  G02F1/133606

    Abstract: Provided is an image source unit including a layer including a light transmissive portion and an in-between portion, which can improve the use efficiency of light from a light source and improve the quality of display, including a liquid crystal panel and an optical sheet arranged on a lower polarizing plate side from the liquid crystal panel, wherein: the optical sheet includes a base material layer, an optical functional layer, and an adhesive layer; the optical functional layer includes a plurality of light transmissive portions having one extending direction along a face of the base material layer having a predetermined cross section, arranged in a different direction from the extending direction at predetermined intervals, and a plurality of in-between portions formed in the intervals of the adjacent light transmissive portions; and the lower polarizing plate and the optical sheet are adhered to each other by the adhesive layer.

    OPTICAL SHEET, LIGHT CONTROLLING MEMBER, SURFACE LIGHT SOURCE DEVICE, IMAGE SOURCE UNIT, AND DISPLAY
    9.
    发明申请
    OPTICAL SHEET, LIGHT CONTROLLING MEMBER, SURFACE LIGHT SOURCE DEVICE, IMAGE SOURCE UNIT, AND DISPLAY 有权

    公开(公告)号：US20220299820A1

    公开(公告)日：2022-09-22

    申请号：US17805881

    申请日：2022-06-08

    Applicant: Dai Nippon Printing Co., Ltd.

    Inventor： Tsuyoshi KASHIWAGI

    IPC: G02F1/1335

    Abstract: To provide an optical sheet that makes it possible to efficiently control a light exiting angle as desired, an optical functional layer has a plurality of light transmissive portions extending in one direction, the light transmissive portions being arranged at intervals in a direction different from the one direction, and a light absorbing portion that is arranged between respective adjacent light transmissive portions, and the optical element layer extends so as to be offset from the one direction at an angle of 0° to 45° in a front view of the optical sheet, the optical element layer having a plurality of unit optical elements that are ridges aligned in a direction different from a direction in which the optical element layer extends.

    OPTICAL SHEET, IMAGE SOURCE UNIT AND IMAGE DISPLAY DEVICE
    10.
    发明申请
    OPTICAL SHEET, IMAGE SOURCE UNIT AND IMAGE DISPLAY DEVICE 审中-公开

    公开(公告)号：US20180128959A1

    公开(公告)日：2018-05-10

    申请号：US15812549

    申请日：2017-11-14

    Applicant: DAI NIPPON PRINTING CO., LTD.

    Inventor： Tsuyoshi KASHIWAGI

    IPC: F21V8/00 ,  G02F1/1333

    CPC classification number: G02B6/0051 ,  G02B6/0053 ,  G02B6/0055 ,  G02F1/133308 ,  G02F1/1335 ,  G02F1/133504 ,  G02F1/133524 ,  G02F2001/133507 ,  G02F2001/133567

    Abstract: An object is to provide an image source unit including an optical sheet that can improve visibility at a desired position, and can keep high efficiency of light utilization, the image source unit comprising: a surface light source device; a liquid crystal panel; and an optical sheet that is arranged between the surface light source device and the liquid crystal panel, the optical sheet comprising: an optical function layer that is laminated to one surface of a substrate layer; and a light diffuser layer that is arranged on one surface of the optical function layer, the one surface being on an opposite side of another surface of the optical function layer where the substrate layer is arranged across the optical function layer, the optical function layer comprising: light transmission parts that extend in a horizontal direction, and are arranged in a plurality of rows at predetermined intervals in a vertical direction; and light absorption parts that are formed between adjacent light transmission parts, and have a lower refractive index than that of the light transmission parts, wherein an angle formed by interfaces on upper sides of the light absorption parts and a normal line of a surface of the optical sheet is narrower than that formed by the interfaces on lower sides of the light absorption parts and the normal line of the surface of the optical sheet.

Patent Agency Ranking