-
公开(公告)号：US11899196B2
公开(公告)日：2024-02-13
申请号：US17700509
申请日：2022-03-22
发明人： Fu-Ming Chuang , Hung-Ta Chien
CPC分类号： G02B26/08 , G02B5/0278 , G02B26/004 , G02B27/30 , H10N30/2042 , H10N30/802
摘要： A light homogenizing element includes a light incident surface and at least one diffusion surface, including: a first substrate, a carrier layer, a piezoelectric film, a driving electrode, a light-transmitting layer, and multiple light diffusion microstructures. The first substrate includes a first surface and a second surface opposite to each other. The carrier layer is located on the first surface of the first substrate and includes a light passing region penetrating the carrier layer, and includes a protruding structure enclosing the light passing region. The light-transmitting layer is provided overlapping on the protruding structure, and the surface of the light-transmitting layer covering the light passing region is the light incident surface. The multiple light diffusion microstructures are provided on the at least one diffusion surface, and projections of the multiple light diffusion microstructures on the light-transmitting layer are located in the light passing region.
-
公开(公告)号：US20220236465A1
公开(公告)日：2022-07-28
申请号：US17583241
申请日：2022-01-25
发明人： Ming-Wei Tsai , Yu-An Huang , Fu-Ming Chuang
IPC分类号： G02B5/26 , G02B5/00 , H01L25/075 , H01L33/50
摘要： A wavelength conversion module including an isolation structure layer, multiple wavelength conversion patterns, a dichroic filter film, and at least one dichroic filter layer is provided. The isolation structure layer has multiple openings. The wavelength conversion patterns are disposed in a part of the openings, and configured to absorb a first part of multiple excitation light beams be excited to generate multiple converted light beams. The dichroic filter film is disposed on one side of the isolation structure layer. The at least one dichroic filter layer is disposed on another side of the isolation structure layer or disposed in the openings. A part of the converted light beams are reflected to the wavelength conversion patterns by the dichroic filter film. A second part of the excitation light beams passing through the wavelength conversion patterns are reflected to the wavelength conversion patterns by the at least one dichroic filter layer.
-
公开(公告)号：US10948765B2
公开(公告)日：2021-03-16
申请号：US16264709
申请日：2019-02-01
发明人： Yi-Chien Lo , Hsin-Hsiang Lo , Chuan-Chung Chang , Fu-Ming Chuang
IPC分类号： G02F1/1335 , G02F1/1362 , G02B26/08 , G02B27/01 , G02B30/00
摘要： A display device includes a light source, a light-directing element, a first lens, a microlens array, and a reflective display element. The light-directing element is adapted to project a lighting beam provided by the light source toward an incident direction. The first lens is configured to receive the lighting beam projected by the light-directing element and project the lighting beam toward the incident direction. The first lens is located between the microlens array and the light-directing element. The micro-image units of the reflective display element correspond to the microlenses of the microlens array respectively. Each micro-image unit converts the lighting beam into an sub-image beam and reflect the sub-image beam to the microlens array. Each sub-image beam is projected to the first lens by the corresponding microlens, and the sub-image beams pass through the light-directing element and transmit to an aperture to form an image beam.
-
公开(公告)号：US10812784B2
公开(公告)日：2020-10-20
申请号：US16056536
申请日：2018-08-07
IPC分类号： H04N13/327 , H04N13/383 , H04N13/307 , G06F3/01 , G02B27/00 , G02B27/01 , H04N13/344 , H04N13/139 , H04N13/122
摘要： A light field display apparatus and a method for calibrating a display image thereof are provided. The method for calibrating a display image includes: dividing a display image to generate a plurality of block images; displaying the block images by a display, and passing the block images through a light field device to generate a combination image; providing an image capturer to capture the combination image, and comparing the display image and the combination image to generate error information; receiving user parameters; and adjusting at least one of the block images in the display image according to the user parameters and the error information. Without providing a mechanical adjustment device, the light field display apparatus of the invention can compensate for display errors that may be caused by the device-internal parameters and the user parameters, which not only enhances display quality, but also enhances convenience in use.
-
公开(公告)号：US10416420B2
公开(公告)日：2019-09-17
申请号：US15671146
申请日：2017-08-08
发明人： Fu-Ming Chuang , Hsin-Hsiang Lo
IPC分类号： G02B13/06 , G02B13/00 , G02B15/167 , G02B9/62
摘要： An optical lens includes a first lens group and a second lens group. The first lens group includes a first lens, a second lens, and a third lens arranged in sequence from a magnified side towards a reduced side. Refractive powers of the first lens, the second lens, and the third lens are negative, negative and positive respectively. The third lens is a glass lens. The second lens group is disposed between the first lens group and the reduced side. The second lens group includes a fourth lens, a fifth lens, and a sixth lens arranged in sequence from the magnified side towards the reduced side. Refractive powers of the fourth lens, the fifth lens, and the sixth lens are positive, negative and positive respectively. The first lens, the second lens, the fourth lens, the fifth lens and the sixth lens are plastic lenses.
-
公开(公告)号：US20190094545A1
公开(公告)日：2019-03-28
申请号：US16133570
申请日：2018-09-17
发明人： Hsin-Hsiang Lo , Fu-Ming Chuang
IPC分类号： G02B27/01 , G02B27/09 , G03B21/14 , H04N13/332
摘要： A near-eye light field display device includes a display element, a microlens array and an optical element. The display element has a plurality of micro-image units and each of the plurality of micro-image units is configured to provide an elemental image beam. The microlens array is disposed in front of the display element and has a plurality of microlenses corresponding to the plurality of the micro-image units respectively. The optical element is disposed in front of the microlens array and located on a transmission path of the elemental image beams from the microlenses. An Abbe number of the microlens array is VdMLA, a refractive index of the microlens array is ndML,A, an Abbe number of the optical element is VdOE, a refractive index of the optical element is ndOE, and the microlens array and the optical element meet at least one of: VdOE>VdMLA and ndOE
-
公开(公告)号：US20190052866A1
公开(公告)日：2019-02-14
申请号：US16056536
申请日：2018-08-07
IPC分类号： H04N13/327 , H04N13/383 , H04N13/344 , H04N13/139 , H04N13/122
CPC分类号： H04N13/327 , G02B27/0093 , G02B27/0172 , G02B2027/0134 , G06F3/011 , G06F3/013 , G09G2320/0693 , H04N13/122 , H04N13/139 , H04N13/307 , H04N13/344 , H04N13/383
摘要： A light field display apparatus and a method for calibrating a display image thereof are provided. The method for calibrating a display image includes: dividing a display image to generate a plurality of block images; displaying the block images by a display, and passing the block images through a light field device to generate a combination image; providing an image capturer to capture the combination image, and comparing the display image and the combination image to generate error information; receiving user parameters; and adjusting at least one of the block images in the display image according to the user parameters and the error information. Without providing a mechanical adjustment device, the light field display apparatus of the invention can compensate for display errors that may be caused by the device-internal parameters and the user parameters, which not only enhances display quality, but also enhances convenience in use.
-
公开(公告)号：US11719940B2
公开(公告)日：2023-08-08
申请号：US17752857
申请日：2022-05-25
发明人： Fu-Ming Chuang , Hsin-Hsiang Lo
CPC分类号： G02B27/0172 , G02B5/10 , G02B26/0833 , G02B26/0883 , G02B26/101 , G03B5/06 , G02B2027/0174
摘要： A head-mounted display device including a projection device and an optical waveguide is provided. The projection device has an optical pupil located on a second surface of the optical waveguide, and includes a light source, a first MEMS mirror element, a second MEMS mirror element, and a relay optical element group. The relay optical element group has a first axis equivalent focal length corresponding to a first parallel light beam and has a second axis equivalent focal length corresponding to a second parallel light beam. The first parallel light beam and the second parallel light beam travel along an optical axis of the relay optical element group, and a value of the first axis equivalent focal length is different from a value of the second axis equivalent focal length. The head-mounted display device may provide good image quality and a large field of view.
-
公开(公告)号：US11604403B2
公开(公告)日：2023-03-14
申请号：US17522937
申请日：2021-11-10
摘要： An imaging system, including a light valve and a projection lens, is provided. The projection lens has a reduction side and a magnification side, and includes a lens group and a convex mirror. The light valve is configured on the reduction side. The projection lens is configured to image the beam from the light valve on a projection surface, and the projection surface is configured on the magnification side. There is an included angle between the projection surface and a light receiving surface. The lens group is configured on an optical path between the magnification side and the reduction side, and includes first to seventh lens elements sequentially arranged from the magnification side to the reduction side. The refractive powers of the first to seventh lens elements are respectively negative, negative, positive, positive, negative, positive, and positive. The convex mirror is configured on an optical path between the lens group and the magnification side. A projection device, including the imaging system, is also provided.
-
公开(公告)号：US20230049696A1
公开(公告)日：2023-02-16
申请号：US17862414
申请日：2022-07-12
发明人： Fu-Ming Chuang , Hsin-Hsiang Lo
摘要： A head-mounted display including an image generator, a projection lens, and a waveguide is provided. The image generator is configured to provide an image beam. The projection lens is disposed on a path of the image beam. The projection lens has an image side and an object side. The image generator is configured at the image side. The projection lens includes a first lens element and a lens element group. The lens element group is disposed between the image generator and the first lens element. A first central axis of the first lens element and a second central axis of the lens element group are not overlapped. The waveguide is disposed on the path of the image beam and located at the object side of the projection lens.
-
-
-
-
-
-
-
-
-
搜索结果
42 条记录 (耗时 0.02 秒)
