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    Three-layer color display using active LED dies
    31.
    发明授权
    Three-layer color display using active LED dies 有权

    公开(公告)号：US11164851B2

    公开(公告)日：2021-11-02

    申请号：US16843590

    申请日：2020-04-08

    Applicant: Nthdegree Technologies Worldwide Inc.

    Inventor： William Johnstone Ray ,  Michael LeFebvre ,  Darin Wagner ,  Richard A. Blanchard

    IPC: H01L25/075 ,  H01L25/065

    Abstract: Over a flexible substrate are deposited stacked pixel layers including a bottom layer of LEDs forming blue pixels, a middle layer of LEDs forming green pixels, and a top layer of LEDs forming red pixels. Each LED die comprises an LED portion and an integrated transistor portion. Applying a voltage to a control terminal of the transistor portion energizes the LED portion. The pixels are substantially transparent, due to the LEDs being microscopic and the pixel areas being much larger, to allow light from the underlying layers to pass through. The three layers of pixels are aligned so that a combination of a single top red pixel, a single underlying green pixel, and a single underlying blue pixel form a single multi-color pixel. The different layers have transparent column and row lines.

    Self-alignment of optical structures to random array of printed micro-LEDs
    33.
    发明授权
    Self-alignment of optical structures to random array of printed micro-LEDs 有权

    公开(公告)号：US10510928B2

    公开(公告)日：2019-12-17

    申请号：US16439141

    申请日：2019-06-12

    Applicant: Nthdegree Technologies Worldwide Inc.

    Inventor： William Johnstone Ray ,  Richard A. Blanchard

    IPC: H01L33/42 ,  G02B27/09 ,  G02B5/02 ,  H01L33/50 ,  H01L23/00 ,  H01L33/38 ,  H01L25/075 ,  H01L33/54 ,  H01L33/40

    Abstract: Printed micro-LEDs have a top metal anode electrode that is relatively tall and narrow and a bottom cathode electrode. After the LED ink is cured, the bottom electrodes are in electrical contact with a conductive layer on a substrate. The locations of the LEDs are random. A thin dielectric layer is then printed between the LEDs, and a thin conductive layer, such as a nano-wire layer, is then printed over the dielectric layer to contact the anode electrodes. The top conductive layer over the tall anode electrodes has bumps corresponding with the locations of the LEDs. An omniphobic liquid is then printed which only resides in the “low” areas of the top conductive layer between the bumps. Any optical material is then uniformly printed over the resulting surface. The printed optical material accumulates only on the bump areas by adhesion and surface tension, so is self-aligned with the individual LEDs.

    Active LED module with LED and vertical MOS transistor formed on same substrate
    35.
    发明授权
    Active LED module with LED and vertical MOS transistor formed on same substrate 有权

    公开(公告)号：US10201051B1

    公开(公告)日：2019-02-05

    申请号：US16003544

    申请日：2018-06-08

    Applicant: Nthdegree Technologies Worldwide Inc.

    Inventor： Richard A. Blanchard

    IPC: H01L27/15 ,  H01L33/00 ,  H05B33/08 ,  H01L33/36

    Abstract: An LED module is disclosed containing an integrated MOSFET driver transistor in series with an LED. In one embodiment, GaN-based LED layers are epitaxially grown over an interface layer on a silicon substrate. The MOSFET gate is formed in a trench in the silicon substrate and creates a vertical channel between a top source and a bottom drain when the gate is biased to turn on the LED. A conductor on the die connects the MOSFET in series with the LED. One power electrode is located on a top of the die, another power electrode is located on the bottom of the die, and the gate electrode may be on the top or the side of the die.

    THIN FLEXIBLE LED LIGHT SHEET APPLICATIONS
    39.
    发明申请
    THIN FLEXIBLE LED LIGHT SHEET APPLICATIONS 审中-公开
    薄柔性LED灯具应用

    公开(公告)号：US20150360606A1

    公开(公告)日：2015-12-17

    申请号：US14303410

    申请日：2014-06-12

    Applicant: Nthdegree Technologies Worldwide Inc.

    Inventor： Travis Thompson ,  Bradley S. Oraw ,  Alexander Ray ,  Andrew Dennis ,  Mark D. Lowenthal ,  Sara Behm ,  William J. Ray ,  Richard A. Blanchard ,  Neil O. Shotton

    IPC: B60Q3/02 ,  B60Q3/06

    CPC classification number: B60Q3/54 ,  B60Q3/225 ,  B60Q3/233 ,  B60Q3/252 ,  B60Q3/283 ,  B60Q3/30 ,  B60Q3/745 ,  B60Q2500/10 ,  F21Y2105/10 ,  F21Y2115/10 ,  H01L25/0753 ,  H01L2924/0002 ,  H01L2924/00

    Abstract: Various applications and customizations of a thin flexible LED light sheet are described. Microscopic LED dice are printed on a thin substrate, and the LEDs are sandwiched between two conductor layers to connect the LEDs in parallel. The conductor layer on the light emitting side is transparent. In one embodiment, the light sheet backlights all or a portion of a translucent ceiling material of an automobile to cause the backlit portion of the ceiling material to illuminate the automobile's interior with diffused lighting. This greatly reduces glare for the driver. The emitted color of the light sheet may be adjusted to compensate for the color component added by the ceiling material color. Four light sheets may be connected in series to drop approximately 12 volts. The light sheet color may be controllable by using adjustable RGB color components, either with phosphors or different LED colors.

    Abstract translation: 描述了薄柔性LED灯片的各种应用和定制。 显微镜LED芯片印刷在薄基板上，LED夹在两个导体层之间，以平行连接LED。 发光侧的导体层是透明的。 在一个实施例中，光片背光汽车的半透明天花板材料的全部或一部分，以使天花板材料的背光部分以扩散的照明照亮汽车的内部。 这大大减少了司机的眩光。 可以调节光片的发射颜色以补偿由天花板材料颜色添加的颜色成分。 四个光片可以串联连接以下降大约12伏特。 光片颜色可以通过使用可调节的RGB颜色分量来控制，或者使用磷光体或不同的LED颜色。

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