SEMICONDUCTOR LIGHT EMITTING DEVICE PACKAGE

    公开(公告)号:US20230011141A1

    公开(公告)日:2023-01-12

    申请号:US17689026

    申请日:2022-03-08

    Abstract: A semiconductor light emitting device package includes a circuit board with an upper pad, a light emitting diode chip on the circuit board and having a first surface facing the circuit board and a second surface opposing the first surface, and the light emitting diode chip including a substrate, a semiconductor stack structure on the substrate that emits ultraviolet light, and electrodes connected to the semiconductor stack structure, connection bumps between the circuit board and the light emitting diode chip, the connection bumps connecting the upper pad and the electrodes, an underfill resin on the upper pad of the circuit board and covering at least a portion of a side surface of the light emitting diode chip, and a passivation layer on the light emitting diode chip and the underfill resin, the passivation layer covering the underfill resin and being spaced apart from the semiconductor stack structure.

    LIGHT SOURCE PACKAGE AND MOBILE DEVICE INCLUDING THE SAME

    公开(公告)号:US20210356844A1

    公开(公告)日:2021-11-18

    申请号:US17118747

    申请日:2020-12-11

    Abstract: A light source package includes: a substrate; a first light source device disposed on the substrate, and configured to emit a light of a first wavelength; a second light source device disposed to be spaced apart from the first light source on the substrate, and configured to emit a light of a second wavelength, different from the first wavelength; and a light transmissive structure disposed above first and second light source devices, and including at least one first lens configured to increase a beam angle of the light of the first wavelength and at least one second lens configured to reduce a beam angle of the light of the second wavelength.

    SEMICONDUCTOR ULTRAVIOLET LIGHT EMITTING DEVICE PACKAGE

    公开(公告)号:US20230039410A1

    公开(公告)日:2023-02-09

    申请号:US17730336

    申请日:2022-04-27

    Abstract: A semiconductor ultraviolet light emitting device package is provided. The semiconductor ultraviolet light emitting device package includes: a semiconductor ultraviolet light emitting device mounted on the first surface of the package substrate and configured to emit deep ultraviolet light including a wavelength in a range of 250 nm to 285 nm; a reflector disposed on the first surface of the package substrate to surround the semiconductor ultraviolet light emitting device, and including an inclined sidewall that defines an opening of the reflector, the semiconductor ultraviolet light emitting device disposed within the opening; and a light transmitting cover including a lower surface covering the opening and an upper surface opposite to the lower surface, wherein an antireflective layer is disposed on at least one from among the lower surface and the upper surface.

    Light source package and mobile device including the same

    公开(公告)号:US11333953B2

    公开(公告)日:2022-05-17

    申请号:US17118747

    申请日:2020-12-11

    Abstract: A light source package includes: a substrate; a first light source device disposed on the substrate, and configured to emit a light of a first wavelength; a second light source device disposed to be spaced apart from the first light source on the substrate, and configured to emit a light of a second wavelength, different from the first wavelength; and a light transmissive structure disposed above first and second light source devices, and including at least one first lens configured to increase a beam angle of the light of the first wavelength and at least one second lens configured to reduce a beam angle of the light of the second wavelength.

    Semiconductor light emitting device package

    公开(公告)号:US12288837B2

    公开(公告)日:2025-04-29

    申请号:US17569323

    申请日:2022-01-05

    Abstract: A semiconductor light emitting device package, includes: a ceramic substrate having first and second electrode structures; a light emitting diode chip mounted on the ceramic substrate, electrically connected to the first and second electrode structures, and configured to emit ultraviolet light; a sidewall structure disposed on the ceramic substrate, providing a cavity surrounding the light emitting diode chip, and including an alloy having a thermal expansion coefficient in a range of 2 to 10 ppm/° C. and a Young's modulus in a range of 100 to 300 Gpa; and a glass cover disposed on the sidewall structure to seal the cavity.

    Apparatus and method for detecting light signal

    公开(公告)号:US12144597B2

    公开(公告)日:2024-11-19

    申请号:US17471862

    申请日:2021-09-10

    Abstract: Provided is an apparatus configured to detect a light signal, the apparatus including a light source configured to radiate light toward an object, a light receiver configured to receive an ambient light and a transmitted light corresponding to the light radiated toward the object from the light source, at least one processor configured to control the light source to be turned off such that a first output signal is generated by the light receiver and control the light source to be turned on such that a second output signal is generated by the light receiver, and an operator configured to generate a transmitted light signal from which noise is removed by differentially operating the second output signal from the first output signal.

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