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No. Publication Number Title Publication/Patent Number Publication/Patent Number Publication Date Publication Date
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Inventor Inventor Assignee Assignee IPC IPC
61
TWI521296B
WAFER-LEVEL LIQUID-CRYSTAL-ON-SILICON PROJECTION ASSEMBLY
Publication/Patent Number: TWI521296B Publication Date: 2016-02-11 Application Number: 103117947 Filing Date: 2014-05-22 Inventor: Fan, Chun Sheng   Assignee: OMNIVISION TECHNOLOGIES, INC.   IPC: G03B21/20 Abstract: A wafer-level liquid-crystal-on-silicon (LCOS) projection assembly includes a LCOS display for spatially modulating light incident on the LCOS display and a polarizing beam-separating (PBS) layer for directing light to and from the LCOS display. A method for fabricating a LCOS projection system includes disposing a PBS wafer above an active-matrix wafer. The active-matrix wafer includes a plurality of active matrices for addressing liquid crystal display pixels. The method further includes disposing a lens wafer above the PBS wafer. The lens wafer includes a plurality of lenses. Additionally
62
TW201632970A
Highly-reflective liquid crystal on silicon panel
Publication/Patent Number: TW201632970A Publication Date: 2016-09-16 Application Number: 105105734 Filing Date: 2016-02-25 Inventor: Fan, Chun Sheng   Assignee: OMNIVISION TECHNOLOGIES, INC.   IPC: G02F1/1343 Abstract: A highly-reflective liquid crystal on silicon (LCOS) panel includes pixel electrodes on a substrate
63
HK1214001A1
WAFER-LEVEL LIQUID-CRYSTAL-ON-SILICON PROJECTION ASSEMBLY SYSTEMS AND METHODS
Publication/Patent Number: HK1214001A1 Publication Date: 2016-07-15 Application Number: 16101993 Filing Date: 2016-02-23 Inventor: Fan chun sheng   Assignee: OMNIVISION TECHNOLOGIES INC.   IPC: G02B
64
US2016246115A1
Highly-Reflective Liquid Crystal On Silicon Panel
Publication/Patent Number: US2016246115A1 Publication Date: 2016-08-25 Application Number: 14/631,390 Filing Date: 2015-02-25 Inventor: Fan chun sheng   Assignee: OmniVision Technologies, Inc.   IPC: G02F1/1335 Abstract: A highly-reflective liquid crystal on silicon (LCOS) panel includes pixel electrodes on a substrate, each pixel electrode having a top surface with a first reflectivity. A continuous reflective coating covers the pixel electrodes and substrate surfaces therebetween, forming a plurality of coated pixel electrodes having an enhanced reflectivity that exceeds the first reflectivity. A method for increasing pixel reflectivity in a LCOS panel includes depositing a continuous reflective coating covering both (1) a plurality of pixel electrodes on a substrate and (2) a plurality of inter-pixel substrate surfaces, and depositing a layer on the continuous reflective coating.
65
TWI560490B
Panel carrier for a liquid crystal on silicon panel and method for electrically interconnecting same
Publication/Patent Number: TWI560490B Publication Date: 2016-12-01 Application Number: 104137949 Filing Date: 2015-11-17 Inventor: Lin, Wei Feng   Fan, Chun Sheng   Assignee: OMNIVISION TECHNOLOGIES, INC.   IPC: G02F1/133 Abstract: A liquid-crystal-on-silicon (LCOS) panel includes a semiconductor wafer having bond pads thereon
66
TW201621411A
Panel carrier for a liquid crystal on silicon panel and method for electrically interconnecting same
Publication/Patent Number: TW201621411A Publication Date: 2016-06-16 Application Number: 104137949 Filing Date: 2015-11-17 Inventor: Lin, Wei Feng   Fan, Chun Sheng   Assignee: OMNIVISION TECHNOLOGIES, INC.   IPC: G02F1/133 Abstract: A liquid-crystal-on-silicon (LCOS) panel includes a semiconductor wafer having bond pads thereon
67
TWI519883B
THERMAL CARRIER FOR AN LCOS DISPLAY PANEL AND ASSOCIATED METHODS
Publication/Patent Number: TWI519883B Publication Date: 2016-02-01 Application Number: 103138113 Filing Date: 2014-11-03 Inventor: Lin, Wei Feng   Fan, Chun Sheng   Assignee: OMNIVISION TECHNOLOGIES, INC.   IPC: G03B21/14 Abstract: A thermal carrier and method control a temperature of an LCOS display panel. The temperature of the LCOS display panel is determined. Electrical power to a heating element within a thermal carrier carrying the LCOS display panel is increased when the temperature of the LCOS display panel is below a first temperature threshold and electrical power to the heating element is decreased when the temperature of the LCOS display panel is above a second temperature threshold.
68
TW201637191A
Aerogel-encapsulated image sensor and manufacturing method for same
Publication/Patent Number: TW201637191A Publication Date: 2016-10-16 Application Number: 105106752 Filing Date: 2016-03-04 Inventor: Lin, Wei Feng   Fan, Chun Sheng   Assignee: OMNIVISION TECHNOLOGIES, INC.   IPC: H01L27/146 Abstract: An aerogel-encapsulated image sensor includes a device die with an image sensor fabricated thereon and an aerogel layer that encapsulates the image sensor. A method for encapsulating image sensor pixel arrays of respective bare image sensors formed on a sensor array sheet may include injecting an uncured aerogel portion on each image sensor pixel array
69
TWI527203B
Infrared reflection/absorption layer for reducing ghost image of infrared reflection noise and image sensor using the same
Publication/Patent Number: TWI527203B Publication Date: 2016-03-21 Application Number: 102100322 Filing Date: 2013-01-04 Inventor: Chien, Yeh An   Lin, Wei Feng   Fan, Chun Sheng   Assignee: OMNIVISION TECHNOLOGIES, INC.   IPC: H01L27/146 Abstract: An image sensor includes a photosensing element for receiving infrared (IR) radiation and detecting the IR radiation and generating an electrical signal indicative of the IR radiation. A redistribution layer (RDL) is disposed under the photosensing element
70
US2016231604A1
Liquid Crystal On Silicon Panels And Associated Methods
Publication/Patent Number: US2016231604A1 Publication Date: 2016-08-11 Application Number: 14/616,900 Filing Date: 2015-02-09 Inventor: Lin, Wei-feng   Fan chun sheng   Assignee: OmniVision Technologies, Inc.   IPC: G02F1/1345 Abstract: A liquid crystal on silicon (LCOS) panel is provided that includes an electrical contact layer deposited in a pattern on a portion of a transparent conductive layer. An alignment layer protects the conductive layer and electrical contact layer during LCOS panel assembly. The alignment layer is etched away to expose the electrical contact, which protects the underlying conductive layer from the etching process. The resulting LCOS panel has more reliably formed electrical contacts for improved stability of electrical connections to the conductive layer. A method for forming an electrical contact layer on a conductive layer of a LCOS panel includes steps for depositing a patterned layer on a portion of the conductive layer. The method is compatible with microfabrication techniques for scalable manufacturing. The resulting LCOS panel includes a pattern of one or more electrical contacts exposed on a portion of the conductive layer.
71
US9459500B2
Liquid crystal on silicon panels and associated methods
Publication/Patent Number: US9459500B2 Publication Date: 2016-10-04 Application Number: 14/616,900 Filing Date: 2015-02-09 Inventor: Lin, Wei-feng   Fan chun sheng   Assignee: OmniVision Technologies, Inc.   IPC: G02F1/1343 Abstract: A liquid crystal on silicon (LCOS) panel is provided that includes an electrical contact layer deposited in a pattern on a portion of a transparent conductive layer. An alignment layer protects the conductive layer and electrical contact layer during LCOS panel assembly. The alignment layer is etched away to expose the electrical contact, which protects the underlying conductive layer from the etching process. The resulting LCOS panel has more reliably formed electrical contacts for improved stability of electrical connections to the conductive layer. A method for forming an electrical contact layer on a conductive layer of a LCOS panel includes steps for depositing a patterned layer on a portion of the conductive layer. The method is compatible with microfabrication techniques for scalable manufacturing. The resulting LCOS panel includes a pattern of one or more electrical contacts exposed on a portion of the conductive layer.
72
US2016139446A1
Panel Carrier For A Liquid Crystal On Silicon Panel And Method For Electrically Interconnecting Same
Publication/Patent Number: US2016139446A1 Publication Date: 2016-05-19 Application Number: 14/547,986 Filing Date: 2014-11-19 Inventor: Li, Wei-feng   Fan chun sheng   Assignee: OmniVision Technologies, Inc.   IPC: G02F1/1345 Abstract: A liquid-crystal-on-silicon (LCOS) panel includes a wafer having bond pads thereon, a liquid crystal layer, and a conductive layer. The panel carrier for the LCOS panel includes a conductive-layer electrode for electrically connecting the conductive layer to a printed circuit assembly (PCA), address electrodes for electrically connecting the bond pads to the PCA, and a cavity for holding the LCOS panel. The cavity includes a conductive pad for electrically connecting the conductive layer to the conductive-layer electrode, and bond-pad electrodes for electrically connecting each bond pad to a respective address electrode. A method for electrically connecting an LCOS panel to a panel carrier includes a step of electrically connecting each bond pad to a respective address electrode, and a step of electrically connecting the conductive layer to the conductive pad.
73
US2016260760A1
AEROGEL-ENCAPSULATED IMAGE SENSOR AND MANUFACTURING METHOD FOR SAME
Publication/Patent Number: US2016260760A1 Publication Date: 2016-09-08 Application Number: 14/639,610 Filing Date: 2015-03-05 Inventor: Fan chun sheng   Lin, Wei-feng   Assignee: OmniVision Technologies, Inc.   IPC: H01L27/146 Abstract: An aerogel-encapsulated image sensor includes a device die with an image sensor fabricated thereon and an aerogel layer that encapsulates the image sensor. A method for encapsulating image sensor pixel arrays of respective bare image sensors formed on a sensor array sheet may include injecting an uncured aerogel portion on each image sensor pixel array, and curing each uncured aerogel portion. The step of curing may include at least one of (a) super-critical drying, (b) surface-modification drying, and (c) pinhole drying an uncured aerogel portion. The method may further include singulating the sensor array sheet into a plurality of aerogel-encapsulated image sensors. A method for encapsulating image sensor pixel arrays of respective bare image sensors on a device wafer may include forming an aerogel layer on each bare image sensor. The step of forming may include at least one of spin-coating, dip-coating, and spray-coating the aerogel layer.
74
TWI533029B
Near-eye display systems
Publication/Patent Number: TWI533029B Publication Date: 2016-05-11 Application Number: 103117953 Filing Date: 2014-05-22 Inventor: Huang, Wei-feng   Fan, Chun Sheng   Wang, Yen Sung   Liu, Yi Wei   Assignee: OMNIVISION TECHNOLOGIES, INC.   IPC: G02B5/30 Abstract: A near-eye display device includes (a) a display unit having a liquid-crystal-on-silicon (LCOS) display and a first polarizing beam splitter interface for (i) reflecting illumination light from an illumination module towards the liquid-crystal-on-silicon display and (ii) transmitting display light from the LCOS display based on the illumination light
75
US2016027832A1
Infrared Reflection/Absorption Layer For Reducing Ghost Image of Infrared Reflection Noise And Image Sensor Using the Same
Publication/Patent Number: US2016027832A1 Publication Date: 2016-01-28 Application Number: 14/876,296 Filing Date: 2015-10-06 Inventor: Lin, Wei-feng   Chien, Yeh-an   Fan chun sheng   Assignee: OmniVision Technologies, Inc.   IPC: H01L27/146 Abstract: An image sensor includes a photosensing element for receiving infrared (IR) radiation and detecting the IR radiation and generating an electrical signal indicative of the IR radiation. A redistribution layer (RDL) is disposed under the photosensing element, the RDL comprising pattern of conductors for receiving the electrical signal. An IR reflection layer, an IR absorption layer or an isolation layer is disposed between the photosensing element and the RDL. The IR reflection layer, IR absorption layer or isolation layer provides a barrier to IR radiation such that the IR radiation does not impinge upon the RDL. As a result, a ghost image of the RDL is not generated, resulting in reduced noise and improved sensitivity and performance of the image sensor.
76
US9406716B2
Infrared reflection/absorption layer for reducing ghost image of infrared reflection noise and image sensor using the same
Publication/Patent Number: US9406716B2 Publication Date: 2016-08-02 Application Number: 14/876,296 Filing Date: 2015-10-06 Inventor: Lin, Wei-feng   Chien, Yeh-an   Fan chun sheng   Assignee: OmniVision Technologies, Inc.   IPC: H01L27/00 Abstract: An image sensor includes a photosensing element for receiving infrared (IR) radiation and detecting the IR radiation and generating an electrical signal indicative of the IR radiation. A redistribution layer (RDL) is disposed under the photosensing element, the RDL comprising pattern of conductors for receiving the electrical signal. An IR reflection layer, an IR absorption layer or an isolation layer is disposed between the photosensing element and the RDL. The IR reflection layer, IR absorption layer or isolation layer provides a barrier to IR radiation such that the IR radiation does not impinge upon the RDL. As a result, a ghost image of the RDL is not generated, resulting in reduced noise and improved sensitivity and performance of the image sensor.
77
TWI485439B
Device and method for reducing speckle in projected images
Publication/Patent Number: TWI485439B Publication Date: 2015-05-21 Application Number: 102123505 Filing Date: 2013-07-01 Inventor: Fan, Chun Sheng   Assignee: OMNIVISION TECHNOLOGIES, INC.   IPC: G02B27/48 Abstract: An image projector includes a light source for displaying light and a diffusing screen coupled to an in-plane vibrator. The diffusing screen is positioned to receive the display light from the light source and generate phase-modulated display light. The image projector also includes a collimating element positioned to receive the phase-modulated display light. The image projector further includes a display panel positioned to receive the phase-modulated display light after being collimated by the collimating element. The display panel is configured to generate a projectable image using the phase-modulated display light.
78
TW201543131A
WAFER-LEVEL LIQUID-CRYSTAL-ON-SILICON PROJECTION ASSEMBLY
Publication/Patent Number: TW201543131A Publication Date: 2015-11-16 Application Number: 103117947 Filing Date: 2014-05-22 Inventor: Fan, Chun Sheng   Assignee: OMNIVISION TECHNOLOGIES, INC.   IPC: G03B21/20 Abstract: A wafer-level liquid-crystal-on-silicon (LCOS) projection assembly includes a LCOS display for spatially modulating light incident on the LCOS display and a polarizing beam-separating (PBS) layer for directing light to and from the LCOS display. A method for fabricating a LCOS projection system includes disposing a PBS wafer above an active-matrix wafer. The active-matrix wafer includes a plurality of active matrices for addressing liquid crystal display pixels. The method further includes disposing a lens wafer above the PBS wafer. The lens wafer includes a plurality of lenses. Additionally
79
US2015331305A1
Wafer-Level Liquid-Crystal-On-Silicon Projection Assembly, Systems and Methods
Publication/Patent Number: US2015331305A1 Publication Date: 2015-11-19 Application Number: 14/278,452 Filing Date: 2014-05-15 Inventor: Fan chun sheng   Assignee: OmniVision Technologies, Inc.   IPC: G03B21/20 Abstract: A wafer-level liquid-crystal-on-silicon (LCOS) projection assembly includes a LCOS display for spatially modulating light incident on the LCOS display and a polarizing beam-separating (PBS) layer for directing light to and from the LCOS display. A method for fabricating a LCOS projection system includes disposing a PBS wafer above an active-matrix wafer. The active-matrix wafer includes a plurality of active matrices for addressing liquid crystal display pixels. The method, further includes disposing a lens wafer above the PBS wafer. The lens wafer includes a plurality of lenses. Additionally, a method for fabricating a wafer-level polarizing beam includes bonding a PBS wafer and at least one other wafer to form a stacked wafer. The PBS wafer includes a PBS layer that contains a plurality of PBS film bands.
80
TW201520676A
THERMAL CARRIER FOR AN LCOS DISPLAY PANEL AND ASSOCIATED METHODS
Publication/Patent Number: TW201520676A Publication Date: 2015-06-01 Application Number: 103138113 Filing Date: 2014-11-03 Inventor: Lin, Wei Feng   Fan, Chun Sheng   Assignee: OMNIVISION TECHNOLOGIES, INC.   IPC: G03B21/14 Abstract: A thermal carrier and method control a temperature of an LCOS display panel. The temperature of the LCOS display panel is determined. Electrical power to a heating element within a thermal carrier carrying the LCOS display panel is increased when the temperature of the LCOS display panel is below a first temperature threshold and electrical power to the heating element is decreased when the temperature of the LCOS display panel is above a second temperature threshold.
Total 6 pages