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公开(公告)号：US20220321870A1
公开(公告)日：2022-10-06
申请号：US17843555
申请日：2022-06-17
申请人： Raxium, Inc.
发明人： Gang HE , Richard Peter SCHNEIDER, JR. , Andrew Victor JONES , James Richard DODD, JR. , Joseph Hsiao-Tien HAN
IPC分类号： H04N13/398 , H04N13/356 , H01L27/15 , H01L33/06 , H01L33/30 , G09G3/20 , G09G3/32 , H01L33/32 , G02B30/26
摘要： The disclosure describes various aspects of a partial light field display architecture. In an aspect, a light field display includes multiple picture elements (e.g., super-raxels), where each picture element includes a first portion having a first set of light emitting elements, where the first portion is configured to produce light outputs that contribute to at least one a two-dimensional (2D) view. Each picture element also includes a second portion including a second set of light emitting elements (e.g., sub-raxels) configured to produce light outputs (e.g., ray elements) that contribute to at least one three-dimensional (3D) view. The light field display also includes electronic means configured to drive the first set of light emitting elements and the second set of light emitting elements in each picture element. The light field display can also dynamically identify the first portion and the second portion and allocate light emitting elements accordingly.
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公开(公告)号：US20220155591A1
公开(公告)日：2022-05-19
申请号：US17527081
申请日：2021-11-15
申请人： RAXIUM, INC.
发明人： Michael Anthony Klug
摘要： A stereo viewing system includes a projector and an eyepiece. The projector includes a first microdisplay and emits first and second spatially-modulated light associated with a first image and second image, respectively. The eyepiece includes an eyepiece substrate, a first and second input coupling element, and a first and second output coupling element. The first input coupling element receives the first spatially-modulated light from the projector and incouples the first spatially-modulated light into the eyepiece substrate. The first output coupling element projects at least a portion of the incoupled spatially-modulated light out of the eyepiece substrate from a user-side surface of the eyepiece substrate. The second input coupling element incouples the second spatially-modulated light, received from the projector, into the eyepiece substrate. The second output coupling element projects at least a portion of the incoupled spatially-modulated light out of the eyepiece substrate from the user-side surface.
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公开(公告)号：US20210383746A1
公开(公告)日：2021-12-09
申请号：US17408744
申请日：2021-08-23
申请人： Raxium, Inc.
发明人： Gang HE , Richard Peter SCHNEIDER, JR. , Andrew Victor JONES , James Richard DODD, JR. , Joseph Hsiao-Tien HAN
摘要： A display system includes (i) a plurality of picture elements supported on a single semiconductor substrate and (ii) a backplane including electronic circuitry supported thereon and electronically connected with the picture elements. Each picture element includes a light steering optical element and an array of light emitting elements. The array of light emitting elements includes a first set, a second set, and a third set of inorganic LEDs that (i) are monolithically integrated on the single semiconductor substrate and (ii) emit, respectively, light at a first, a second, and a third wavelength, which are mutually distinct. The light steering optical element is configured for steering the light from the first set, second set, and third set of LEDs in a predetermined direction. The electronic circuitry is configured for individually driving each light emitting element of the array of light emitting elements.
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公开(公告)号：US20220254759A1
公开(公告)日：2022-08-11
申请号：US17576300
申请日：2022-01-14
申请人： Raxium, Inc.
发明人： Gang He , Li Yan , Michael Joseph Cich
IPC分类号： H01L25/075 , H01L33/32 , H01L33/50 , H01L33/00 , H01L33/14
摘要： A light emission system includes an array of micro light-emitting diodes (microLED)s. The array of microLEDs includes a semiconductor substrate, a prep layer formed on at least a portion of the semiconductor substrate, and an active region formed on the prep layer. The array of microLEDs also include a plurality of thick sub-structures forming an array on the active region, and a plurality of thin sub-structures formed on the active region, each one of the thin sub-structures being located between each adjacent pair of thick substructures. Each one of the thick sub-structures defines a shape and size of a corresponding one of the microLEDs. Each one of the thin sub-structures is configured for preventing mobility of free electron carriers therethrough to electrically isolate each one of the thick sub-structures from every other one of the thick sub-structures. Further, the plurality of microLEDs share the active region.
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公开(公告)号：US20210367099A1
公开(公告)日：2021-11-25
申请号：US17324461
申请日：2021-05-19
申请人： Raxium, Inc.
发明人： Benjamin LEUNG , Miao-Chan TSAI
摘要： A light emitting diode (LED) structure includes a semiconductor template having a template top-surface, an active quantum well (QW) structure formed over the semiconductor template, and a p-type layer. The p-type layer has a bottom-surface that faces the active QW and the template top-surface. The bottom-surface includes a recess sidewall. The recess sidewall of the p-type layer is configured for promoting injection of holes into the active QW structure through a QW sidewall of the active QW structure.
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公开(公告)号：US20210313298A1
公开(公告)日：2021-10-07
申请号：US17223299
申请日：2021-04-06
申请人： Raxium, Inc.
发明人： Melissa Archer , Gang He
IPC分类号： H01L25/065 , H01L25/16 , G02B26/08
摘要： A backplane for controlling a display is disclosed. The backplane includes a plurality of tiles formed into an array. Each of the plurality of tiles includes a plurality of complementary metal-oxide-semiconductor backplane dies. Edges of the backplane dies that form a perimeter of the array include electrical connections that direct electrical signals to at least one of the CMOS backplane dies. A display assembly is also disclosed wherein the display assembly includes a backplane having an array of tiles. Each tile includes a plurality of electrically coupled CMOS backplane dies, where edges of the tiles that form an outer perimeter of the array include electrical connections directing electrical signals to one or more of the plurality of CMOS backplane dies. The display assembly further includes at least one light emitting diode array electrically coupled with at least one tile.
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公开(公告)号：US20220404618A1
公开(公告)日：2022-12-22
申请号：US17831817
申请日：2022-06-03
申请人： Raxium, Inc.
摘要： A display system is disclosed including an emitter system assembly for providing a light output. The emitter system assembly includes a first emitter that provides a first emission spectrum, a cavity at least partially surrounding the first emitter, a first aperture configured for transmitting therethrough at least a portion of the first emission spectrum from the first emitter, and a shaping element in optical communication with the first aperture. The cavity includes reflectors that reflect the first emission spectrum within the cavity and toward the aperture.
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公开(公告)号：US20220302101A1
公开(公告)日：2022-09-22
申请号：US17695563
申请日：2022-03-15
申请人： Raxium, Inc.
发明人： Gang He
IPC分类号： H01L25/00 , H01L25/18 , H01L25/065
摘要： A method for transferring one or more clusters of micro-LEDs to a display panel includes fabricating or loading a plurality of micro-LED clusters comprising two or more micro-LEDs onto a substrate, and positioning the substrate in a first position. At least a first micro-LED cluster is aligned with at least a first electrical connector on a display panel. The method also includes lowering the substrate toward the display panel such that the first micro-LED cluster contacts the first electrical connector, and releasing the first micro-LED cluster from the substrate.
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公开(公告)号：US20210367106A1
公开(公告)日：2021-11-25
申请号：US17324437
申请日：2021-05-19
申请人： Raxium, Inc.
摘要： The disclosure describes various aspects of strain management layers for light emitting elements such as light-emitting diodes (LEDs). The present disclosure describes an LED structure formed on a substrate and having a strain management region supported on the substrate, and an active region configured to provide a light emission associated with the LED structure. The strain management region includes a first layer including a superlattice having a plurality of repeated first and second sublayers, and a second layer including a bulk layer. In an embodiment, at least one of the first and second sublayers and the bulk layer includes a composition of InxAlyGa1-x-yN. A device having multiple LED structures and a method of making the LED structure are also described.
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10.发明申请公开(公告)号：US20210343897A1
公开(公告)日：2021-11-04
申请号：US17307561
申请日：2021-05-04
申请人： Raxium, Inc.
发明人： Ying-Lan CHANG , Benjamin LEUNG , Miao-Chan TSAI , Richard Peter SCHNEIDER , Sheila HURTT , Gang HE
摘要： A light-emitting diode (LED) structure includes an active region that has at least one aluminum-containing quantum well (QW) stack that emits light from the LED structure when activated. The LED structure exhibits a modified internal quantum efficiency value, which is higher than a LED structure that does not include aluminum within a QW stack. The LED structure also exhibits a modified peak wavelength, which is longer than an unmodified peak wavelength of the unmodified LED structure.
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