公开(公告)号：US20240027264A1

公开(公告)日：2024-01-25

申请号：US18247675

申请日：2021-10-04

Applicant: UNIVERSITEIT GENT

Inventor： Philippe SMET ,  David VAN DER HEGGEN

IPC: G01J1/58

CPC classification number: G01J1/58

Abstract: A light sensing device includes: a light sensitive layer having a phosphor with two different types of lanthanides dopant ions, switching between a first state and a second state; one or more optical filters on top of the light sensitive layer. When the dopant ions are in the second state after exposure of the light sensitive layer to the second light energy, the light sensitive layer measures a first light intensity of light of the first light energy. When the dopant ions are in the first state after exposure of the light sensitive layer to the first light energy, the light sensitive layer measures a second light intensity of light of the second light energy.

公开(公告)号：US11788886B2

公开(公告)日：2023-10-17

申请号：US17116844

申请日：2020-12-09

Applicant: L'Oreal

Inventor： David B. Kosecoff

IPC: G01J1/42 ,  G01J1/58 ,  H04Q9/00 ,  G16H50/30

CPC classification number: G01J1/58 ,  G01J1/429 ,  G16H50/30 ,  H04Q9/00 ,  G01J2001/4266 ,  H04Q2209/40

Abstract: A wearable UV sensor includes a UV pass filter; a UV phosphor material; and a visible light sensing device, wherein the UV sensor is configured to receive light including visible light and UV light, wherein the UV pass filter directs the UV light to the UV phosphor material and the UV phosphor material fluoresces visible light in proportion to the UV light from the UV pass filter, and the visible light sensing device measures the visible light fluorescing from the UV phosphor material to determine the amount of the UV light entering the sensor, which correlates to the UV exposure of a subject wearing the UV sensor.

公开(公告)号：US11747557B2

公开(公告)日：2023-09-05

申请号：US17633532

申请日：2019-08-23

Applicant: Nippon Telegraph and Telephone Corporation

Inventor： Takuya Tanaka ,  Hiroshi Ishikawa ,  Kota Shikama ,  Atsushi Aratake

IPC: G02B6/12 ,  G01M11/00 ,  G01J1/58 ,  G01J9/00 ,  G02B6/13

CPC classification number: G02B6/12019 ,  G01J1/58 ,  G01M11/35 ,  G02B6/12016 ,  G01J9/00 ,  G02B6/13

Abstract: A wavelength checker includes an optical converter composed of a conversion material that converts infrared light into visible light. The optical converter is disposed, on an output side (side from which light is output to an external space) of a plurality of first output waveguides of an optical waveguide chip, to receive emitted light that is guided through the first output waveguides and reflected on and emitted from the light emitting-side end surface. The light emitting-side end surface is a reflection surface that is inclined to face a main substrate.

公开(公告)号：US11719574B2

公开(公告)日：2023-08-08

申请号：US17721090

申请日：2022-04-14

Applicant: SAF-T-GLO LIMITED

Inventor： Sean Patrick O'Kell ,  Andrew Jon Hallett

IPC: G01J1/58

CPC classification number: G01J1/58

Abstract: A marker is arranged to indicate the presence of ultraviolet radiation. The marker includes at least an emitting layer having a fluorescent material arranged to emit visible light in a first range of wavelengths in response to excitation by ultraviolet radiation in a second range of wavelengths. The emission of visible light is reversible, and the marker is reusable. The marker may be a warning sign, and may be adhered to a surface or incorporated into a freestanding portable apparatus.

公开(公告)号：US20180052045A1

公开(公告)日：2018-02-22

申请号：US15782692

申请日：2017-10-12

Applicant: KLA-Tencor Corporation

Inventor： Mei Sun ,  Earl Jensen ,  Kevin O'Brien

IPC: G01J1/42 ,  G01J5/08 ,  G01J5/04 ,  G01J1/02 ,  G01J1/04 ,  H01L21/67 ,  G01J1/58 ,  G01J5/10

CPC classification number: G01J1/429 ,  G01J1/0204 ,  G01J1/0271 ,  G01J1/0407 ,  G01J1/58 ,  G01J5/04 ,  G01J5/0818 ,  G01J5/10 ,  G01K11/20 ,  H01L21/67248 ,  H01L21/67253 ,  H01L22/10

Abstract: A measurement wafer device for measuring radiation intensity and temperature includes a wafer assembly including one or more cavities. The measurement wafer device further includes a detector assembly. The detector assembly includes one or more light sensors. The detector assembly is further configured to perform a direct or indirect measurement of the intensity of ultraviolet light incident on a surface of the wafer assembly.

公开(公告)号：US20180024009A1

公开(公告)日：2018-01-25

申请号：US15544188

申请日：2014-10-30

Applicant: Shanghai Jiao Tong University

Inventor： Weiwen ZOU ,  Guang YANG ,  Huajie ZHANG ,  Jianping CHEN

IPC: G01J11/00 ,  G01J3/28 ,  G01R27/28

CPC classification number: G01J11/00 ,  G01J1/58 ,  G01J3/28 ,  G01R27/28

Abstract: The present invention relates to a measuring and compensating method for channel mismatch of an ultra-high speed time-wavelength interleaved optical pulse sequence, by employing a generating module of the to-be tested ultra-high speed time-wavelength interleaved optical pulse sequence, an optical spectrum measuring module, an electrical frequency measuring module, and a data analyzing and processing module. The present invention obtains mismatch information of the pulse sequence for each channel by means of measurement and analysis of the ultra-high speed time-wavelength interleaved optical pulse sequence, thus overcoming the bottleneck of inadequate sampling of time-domain observation via an oscilloscope. The channel mismatch information obtained by the present invention may act as a basis for channel mismatch compensation and correction for the ultra-high speed time-wavelength interleaved optical pulse sequence.

公开(公告)号：US20170315056A1

公开(公告)日：2017-11-02

申请号：US15529790

申请日：2015-09-30

Applicant: SONY CORPORATION

Inventor： KOICHIRO KISHIMA

IPC: G01N21/64 ,  G02B21/16 ,  G01J1/58 ,  G02B21/36 ,  A61B5/00

CPC classification number: G01N21/64 ,  A61B1/00 ,  A61B5/0071 ,  G01J1/58 ,  G02B21/06 ,  G02B21/16 ,  G02B21/36

Abstract: [Object] To propose an information processing device, an image acquisition system, an information processing method, an image information acquisition method, and a program which enable a position of a surface of a measurement subject to be more simply specified.[Solution] An information processing device according to the present invention includes: a representative luminance value specifying unit configured to, when luminance values constituting a plurality of fluorescence images of a measurement subject captured while a position of the measurement subject in a thickness direction is changed are sequentially rearranged from a highest luminance value on the basis of the fluorescence images for each of the fluorescence images corresponding to respective thickness positions, extract a luminance value ranked at a predetermined position from the highest luminance value and set the extracted luminance value as a representative luminance value of the fluorescence image at the thickness position to be noted; and a surface position specifying unit configured to use the representative luminance value for each of the fluorescence images and set the thickness position corresponding to the fluorescence image that gives the maximum representative luminance value as a position corresponding to a surface of the measurement subject.

公开(公告)号：US20170311805A9

公开(公告)日：2017-11-02

申请号：US14866973

申请日：2015-09-27

Applicant: Thomas Nathan Millikan

Inventor： Thomas Nathan Millikan

IPC: A61B5/00 ,  H04N7/18 ,  H04N5/232 ,  G06T7/90 ,  G01J1/58 ,  G01J3/02 ,  G01J3/10 ,  G01J3/14 ,  G01J3/28 ,  G06T7/00 ,  H04N5/33 ,  G01J3/51 ,  G01J3/36 ,  G01J3/12 ,  A61B5/11

CPC classification number: A61B5/0075 ,  A61B5/0071 ,  A61B5/0077 ,  A61B5/1112 ,  A61B5/743 ,  A61B2560/0242 ,  A61B2576/00 ,  G01J1/58 ,  G01J3/0208 ,  G01J3/0229 ,  G01J3/0264 ,  G01J3/027 ,  G01J3/10 ,  G01J3/14 ,  G01J3/2823 ,  G01J3/36 ,  G01J3/513 ,  G01J2003/1213 ,  G01J2003/2826 ,  G06T7/0012 ,  G06T7/90 ,  G06T2207/10024 ,  G06T2207/10048 ,  G06T2207/30088 ,  G06T2207/30196 ,  H04N5/23293 ,  H04N5/332 ,  H04N7/18 ,  H04N7/183

Abstract: Multispectral images, including ultraviolet light and its interactions with ultraviolet light-interactive compounds, can be captured, processed, and represented to a user. Ultraviolet-light related information can be conveniently provided to a user to allow the user to have awareness of UV characteristics and the user's risk to UV exposure.

公开(公告)号：US09743483B2

公开(公告)日：2017-08-22

申请号：US15093917

申请日：2016-04-08

Applicant: OSRAM SYLVANIA Inc.

Inventor： Ming Li ,  Qi Dai ,  Keng Chen

IPC: G01J1/02 ,  G01J1/16 ,  H05B33/08 ,  G01J1/58

CPC classification number: H05B33/0869 ,  G01J1/0228 ,  G01J1/0238 ,  G01J1/16 ,  G01J1/58 ,  G01J2001/1673

Abstract: Techniques are disclosed for maintaining consistent lumen output of a lighting assembly over time. By maintaining a consistent lumen output, it is possible to maintain acceptable color stability where color mixing of multiple outputs is used. The lighting assembly may be any lighting configuration that might suffer from lumen depreciation and/or color drift over time, and may include any type(s) of light source(s) that may be monitored and driven accordingly. The lighting assembly, in addition to light source(s), includes a photo detector and a directed light source, such as a laser. The directed light source provides a golden sample for use in calibrating the photo detector, which in turn monitors lumen output of the light source(s). Drive signals are adjusted to account for lumen depreciation of the monitored light source(s).

公开(公告)号：US09702757B2

公开(公告)日：2017-07-11

申请号：US14804613

申请日：2015-07-21

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Joon Sub Lee ,  Seung Won Park

IPC: G01J1/04 ,  G01J1/42 ,  G01J3/02 ,  G01J1/58

CPC classification number: G01J1/42 ,  G01J1/58 ,  G01J3/0254 ,  G01J2001/0481 ,  G01J2001/4252

Abstract: A light measuring system including an integrating sphere having an aperture configured by opposing reflectors selectively aligned with complementary reflectors of at least one light source mounting block having a light source mounting region for mounting a light source thereon.