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公开(公告)号：US20190049735A1
公开(公告)日：2019-02-14
申请号：US16165221
申请日：2018-10-19
Applicant: SEIKO EPSON CORPORATION
Inventor： Osamu YOKOYAMA , Masatoshi YONEKUBO , Takashi TAKEDA , Daisuke ISHIDA , Mitsutaka IDE , Hidemitsu SORIMACHI
Abstract: An image display device with which it is possible to visually recognize an image while securing the see-through property regardless of eye movements and changes in interpupillary distance, with which it is possible to display a large-size image with high quality, and which is small, has excellent wearability, and has an excellent external appearance.
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公开(公告)号：US20180348530A1
公开(公告)日：2018-12-06
申请号：US16059743
申请日：2018-08-09
Applicant: SEIKO EPSON CORPORATION
Inventor： Toshiaki MIYAO , Takahiro TOTANI , Masayuki TAKAGI , Takashi TAKEDA , Akira KOMATSU , Kazuya KAMAKURA
CPC classification number: G02B27/0176 , G02B6/0001 , G02B27/0172 , G02B2027/011 , G02B2027/0132 , G02B2027/015 , G02B2027/0152 , G02B2027/0169 , G02B2027/0178 , G02B2027/0198
Abstract: In a frame part, a center portion having a thick structure is provided between a first optical member as a first light guide unit and a second optical member as a second light guide unit to connect to both and fixes relative positions of the first optical member and the second optical member by the center portion, and thereby, reduction in weight and size of the frame part is realized.
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公开(公告)号：US20180284448A1
公开(公告)日：2018-10-04
申请号：US15923674
申请日：2018-03-16
Applicant: SEIKO EPSON CORPORATION
Inventor： Hayato MATSUKI , Takashi TAKEDA
Abstract: Light guide system includes transparent light guide section that leads light inputted through one end portion, to an output section. The light guide section includes a plurality of partial reflection planes, each inclined at a same angle such that a first end portion is located on the side of the one end portion, with respect to a second end portion, and aligned between a first plane and a second plane parallel to each other. Pitches among the partial reflection planes in a first direction are widened toward another end portion, from the side of the one end portion. From an eye of a viewer, a wide overlapping portion is non-existent between two partial reflection planes adjacent to each other on the side of the another end portion, and a wide gap is non-existent between two partial reflection planes adjacent to each other on the side of the one end portion.
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公开(公告)号：US20180284444A1
公开(公告)日：2018-10-04
申请号：US15922330
申请日：2018-03-15
Applicant: SEIKO EPSON CORPORATION
Inventor： Hayato MATSUKI , Takashi TAKEDA
CPC classification number: G02B27/0172 , G02B6/0055 , G02B27/0176 , G02B27/1066 , G02B2027/0136
Abstract: There is provided a display apparatus including a light guide system that includes a light-incident portion including a light-incident curved surface on which image light beams as non-parallel light beams are incident and a light-reflective curved surface which reflects the image light beams such that the image light beams are converted into parallel light beams, and a light guide portion being a portion in which a plurality of partial reflection layers are disposed in parallel. The light guide portion is filled with a parallel light flux emitted from the light-incident portion. The light-incident portion is formed of a first transparent member, the portion in which the partial reflection layers are formed is formed of a second transparent member which is surface-bonded to the first transparent member via a bonding surface, and the bonding surface is inclined in the same direction as that of the partial reflection layer.
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公开(公告)号：US20180267322A1
公开(公告)日：2018-09-20
申请号：US15987230
申请日：2018-05-23
Applicant: SEIKO EPSON CORPORATION
Inventor： Masayuki TAKAGI , Toshiaki MIYAO , Takashi TAKEDA , Akira KOMATSU , Takuya IKEDA
CPC classification number: G02B27/0176 , G02B6/0001 , G02B7/003 , G02B7/025 , G02B27/0081 , G02B2027/015 , G02B2027/0169 , G02B2027/0178
Abstract: A virtual image display apparatus includes a case member that stores a image element and is provided with a first end connected to other members, an optical component holding member with which an optical component guiding image light from the image element is assembled and that is provided with a second end connected to the first end, three or more protruding portions that are provided at one of the first end and the second end, have protrusion shapes, and extend toward the other end, three or more grooves that are provided at the other end, have depression shapes corresponding to the three or more protruding portions, and extend, and adhesive portions that fix the three or more protruding portions to the three or more grooves in a state in which the case member is aligned with the optical component holding member.
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Patent Agency Ranking
公开(公告)号：US20180267311A1
公开(公告)日：2018-09-20
申请号：US15909342
申请日：2018-03-01
Applicant: SEIKO EPSON CORPORATION
Inventor： Toshiaki MIYAO , Masayuki TAKAGI , Takashi TAKEDA , Akira KOMATSU
CPC classification number: G02B27/0172 , G02B1/14 , G02B6/002 , G02B6/0038 , G02B6/0048 , G02B27/0006 , G02B2027/0125 , G02B2027/0174 , G02B2027/0178
Abstract: By forming a hard coat layer on a bonding surface which is a surface of a bonding region between a first base material and a second base material, smoothing is achieved, and as a smoothing assisting treatment before forming the hard coat layer, the surfaces of the base materials are flattened by polishing on the bonding surface or a region corresponding to the bonding surface. By the synergistic effect of smoothing by formation of the hard coat layer and a flattening treatment by polishing as the smoothing assisting treatment, sufficient smoothing is achieved.
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公开(公告)号：US20180067320A1
公开(公告)日：2018-03-08
申请号：US15797261
申请日：2017-10-30
Applicant: SEIKO EPSON CORPORATION
Inventor： Akira KOMATSU , Takahiro TOTANI , Masayuki TAKAGI , Takashi TAKEDA , Toshiaki MIYAO
CPC classification number: G02B27/0172 , G02B13/16 , G02B13/18 , G02B17/0848 , G02B17/086 , G02B27/0012 , G02B2027/011 , G02B2027/0123 , G02B2027/013 , G02B2027/0145 , G02B2027/0178
Abstract: A light guide member includes three surfaces of a second surface, a fourth surface, and a fifth surface as two or more non-axisymmetric curved surfaces, and a projection lens includes a lens surface as a non-axisymmetric aspheric surface. With this, on the light guide member side, even when there is a shape constraint that the first surface or the third surface which is a surface contributing to light guide is a flat surface, and correction of asymmetric aberration is limited, it becomes possible to perform sufficient aberration correction as the whole of an optical system including the projection lens. Therefore, the virtual image display apparatus can have a wide viewing angle and high performance, and can be made small and lightweight.
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公开(公告)号：US20170255014A1
公开(公告)日：2017-09-07
申请号：US15425209
申请日：2017-02-06
Applicant: SEIKO EPSON CORPORATION
Inventor： Akira KOMATSU , Takahiro TOTANI , Takashi TAKEDA , Masayuki TAKAGI , Toshiaki MIYAO , Hayato MATSUKI
CPC classification number: G02B27/0172 , G02B5/3041 , G02B6/0035 , G02B6/0055 , G02B6/0056 , G02B27/0101 , G02B27/285 , G02B2027/0118 , G02B2027/012 , G02B2027/0125
Abstract: A light guide device includes an incident section, a parallel light guide body for light guide, and an emitting section. The emitting section includes a reflection unit formed by arraying a plurality of mirrors. The plurality of mirrors configuring the reflection unit are reflection elements having reflectance of P polarized light lower than reflectance of S polarized light. The plurality of mirrors configuring the reflection unit can be accompanied by wavelength plates to be adjacent to the mirrors.
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公开(公告)号：US20170184862A1
公开(公告)日：2017-06-29
申请号：US15371079
申请日：2016-12-06
Applicant: SEIKO EPSON CORPORATION
Inventor： Toshiaki MIYAO , Takahiro TOTANI , Masayuki TAKAGI , Takashi TAKEDA , Akira KOMATSU , Kazuya KAMAKURA
CPC classification number: G02B27/0176 , G02B6/0001 , G02B27/0172 , G02B2027/011 , G02B2027/0132 , G02B2027/015 , G02B2027/0152 , G02B2027/0169 , G02B2027/0178 , G02B2027/0198
Abstract: In a frame part, a center portion having a thick structure is provided between a first optical member as a first light guide unit and a second optical member as a second light guide unit to connect to both and fixes relative positions of the first optical member and the second optical member by the center portion, and thereby, reduction in weight and size of the frame part is realized.
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公开(公告)号：US20170059868A1
公开(公告)日：2017-03-02
申请号：US15179365
申请日：2016-06-10
Applicant: SEIKO EPSON CORPORATION
Inventor： Takashi TAKEDA , Takahiro TOTANI , Masayuki TAKAGI , Toshiaki MIYAO , Akira KOMATSU
CPC classification number: G02B27/0172 , G02B6/0026 , G02B27/0081 , G02B27/4211 , G02B2027/0116 , G02B2027/0125 , G02B2027/0145 , G02B2027/0174
Abstract: A light guide device may be incorporated into a virtual image display apparatus, and functionally includes a light-incident part for entrance of picture lights, a light guide part that guides the picture lights via the light-incident part, and a light-exiting part that outputs the picture lights from the light guide part to a position of an eye. In the light guide device, light guide that enables non-diffraction virtual image formation is performed with respect to lateral first directions and a pupil size is enlarged by first and second diffraction optical elements with respect to longitudinal second directions.
Abstract translation: 导光装置可以结合到虚像显示装置中，并且功能上包括用于进入图像光的光入射部分，经由光入射部分引导照明光的导光部分和光出射部分 其将来自导光部分的图像光输出到眼睛的位置。 在导光装置中，相对于横向第一方向进行能够进行非衍射虚拟图像形成的光导，并且通过第一和第二衍射光学元件相对于纵向第二方向扩大瞳孔尺寸。
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