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公开(公告)号：US12232594B2
公开(公告)日：2025-02-25
申请号：US17619963
申请日：2020-06-19
Applicant: L'OREAL
Inventor： Woo Ram Park , Chin Kai Lee , Vishal Sharma
Abstract: The present invention relates to a cosmetic ink application device which functions by producing a region as an alignment marker on human skin and detecting the region to align an applicator with the skin, and a method thereof. A cosmetic ink application device according to the present invention comprises: a light source for irradiating human skin with ultraviolet light; an optical sensor for detecting intensities of fluorescence in a ultraviolet range and/or a visible light range emitted from the skin in response to the irradiation of the ultraviolet light; an applicator for applying a cosmetic ink to the skin; a head portion for holding the light source, the optical sensor, and the applicator; and a controller, wherein the controller defines a region on the skin, which emits fluorescence having an intensity different from fluorescence emitted from other regions of the skin when irradiated with the ultraviolet light, as a marker region, wherein the controller determines a position of the ink application based on the marker region, and wherein the controller causes the applicator to apply the ink on a predetermined portion of the skin.
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公开(公告)号：US20190167962A1
公开(公告)日：2019-06-06
申请号：US16323480
申请日：2017-06-14
Applicant: L'OREAL
Inventor： Woo Ram Park , Shu Liu , Bradford Pistorio
Abstract: Systems, devices, and methods are described for providing a cosmetic device configured to deliver an active component into a skin and a method for manufacturing such a cosmetic device. In an embodiment, the cosmetic device includes an anisotropic magnetic element located in or on the head part of the body and configured to generate a magnetic field which induces diamagnetism in the active component. In an embodiment, the anisotropic magnetic element has a honeycomb magnetization pattern.
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3.发明公开公开(公告)号：US20230314323A1
公开(公告)日：2023-10-05
申请号：US18042977
申请日：2021-09-21
Applicant: L'OREAL
Inventor： Chin Kai Lee , Charlotte Pellet , Woo Ram Park
IPC: G01N21/64
CPC classification number: G01N21/645 , G01N21/6445 , G01N2021/6471 , G01N2021/8433
Abstract: The present invention provides a method and an apparatus for easily and precisely detecting an effect of sunscreen (12) based on results of clinical examinations even if various cosmetic layers (14) are provided on the skin (10). The present invention provides an apparatus (1) for detecting a sunscreen (12), comprising: a light source (2); an ultraviolet light pass filter (4) provided between the light source (2) and an irradiation target (10); a visible light sensor (6); and a polarizer (8) provided between the visible light sensor (6) and the irradiation target (10), wherein the ultraviolet light pass filter (4) is configured to pass light (16) having a wavelength in an ultraviolet light range among light emitted from the light source (2), wherein the irradiation target (10) includes at least one substance emitting fluorescent light (20) in response to the light irradiation (16), wherein the polarizer (8) is configured to block at least a part of light (18) emitted from the light source (2) and reflected by the irradiation target (10), and wherein the visible light sensor (6) is configured to determine an intensity of the fluorescent light (20) passing through the polarizer (8).
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公开(公告)号：US20210268533A1
公开(公告)日：2021-09-02
申请号：US17255141
申请日：2019-06-21
Applicant: L'OREAL
Inventor： Chin Kai Lee , Woo Ram Park , Vishal Sharma , Di Chen
Abstract: The present invention relates to a device (10) for supplying a mist of liquid (F). The device (10) is used in combination with a container (20) with an opening (200) for containing the liquid (F). The device (10) includes a main body (100) comprising: (i) a center axis (C); (ii) a liquid chamber (110) formed inside the main body (100), into which a predetermined amount of liquid (F) can be taken up; (iii) a first port (112) formed in a base wall (114) of the main body (100) forming a bottom surface (116) of the liquid chamber (110) so as to face the opening (200) when the device (10) and the container (20) are combined with each other, through which the liquid (F) can flow; (iv) a second port (118) formed in the base wall (114) at a position different from the position where the first port (112) is formed so as to face the opening (200) when the device (10) and the container (20) are combined with each other, through which the liquid (F) can flow; and (v) an aperture (120) connected to the liquid chamber (110), through which a mist of liquid (F) can be released to the outside of the main body (100). The device (10) further includes: a connecting section (122) provided on the main body (100) so as to extend from it in a direction away from the base wall (114) and used for connecting the container (20) to the main body (100); an atomizing element (124) interposed between the liquid chamber (110) and the aperture (120) to atomize the liquid (F) taken up in the liquid chamber (110) and release a mist of the liquid (F) to the outside of the main body (100) from the aperture (120); a first valve (126) mounted on the main body (100) corresponding to the first port (112), wherein the first valve (126) permits the liquid (F) in the container (20) flowing into the liquid chamber (110) through the first port (112) under the influence of gravity, and prevents the liquid (F) in the liquid chamber (110) flowing into the container (20) under the influence of gravity; and a second valve (128) mounted on the main body (100) corresponding to the second port (118), wherein the second valve (128) prevents the liquid (F) in the container (20) from flowing into the liquid chamber (110) through the second port (118) under the influence of gravity, and selectively permits or prevents the liquid (F) in the liquid chamber (110) flowing into the container (20) through the second port (118) under the influence of gravity.
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公开(公告)号：US20220354234A1
公开(公告)日：2022-11-10
申请号：US17619963
申请日：2020-06-19
Applicant: L'OREAL
Inventor： Woo Ram Park , Chin Kai Lee , Vishal Sharma
Abstract: The present invention relates to a cosmetic ink application device which functions by producing a region as an alignment marker on human skin and detecting the region to align an applicator with the skin, and a method thereof. A cosmetic ink application device according to the present invention comprises: a light source for irradiating human skin with ultraviolet light; an optical sensor for detecting intensities of fluorescence in a ultraviolet range and/or a visible light range emitted from the skin in response to the irradiation of the ultraviolet light; an applicator for applying a cosmetic ink to the skin; a head portion for holding the light source, the optical sensor, and the applicator; and a controller, wherein the controller defines a region on the skin, which emits fluorescence having an intensity different from fluorescence emitted from other regions of the skin when irradiated with the ultraviolet light, as a marker region, wherein the controller determines a position of the ink application based on the marker region, and wherein the controller causes the applicator to apply the ink on a predetermined portion of the skin.
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Patent Agency Ranking
公开(公告)号：US11097104B2
公开(公告)日：2021-08-24
申请号：US16344753
申请日：2017-07-14
Applicant: L'OREAL
Inventor： Woo Ram Park , Chin Kai Lee , Bradford Pistorio , Jinghua Nan
IPC: A61N1/36 , A61B5/0531 , A61N1/04 , A61N1/32
Abstract: The present invention provides an electroporation device and a method for controlling an electroporation device for facilitating delivering active substances into skin such as stratum corneum while minimizing discomfort of a user by modulating applied voltage pulses. The electroporation device according to the present invention comprises: a measurement unit being configured to provide multiple outputs of one or more resistance measurement voltage pulses for measuring a resistance of skin of a user at a predetermined interval; and an output unit being configured to provide an output of one or more electroporation voltage pulses to the skin of the user based on the resistance of the skin of the user per each output of the one or more resistance measurement voltage pulses.
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公开(公告)号：US20200009010A1
公开(公告)日：2020-01-09
申请号：US16315964
申请日：2017-05-10
Applicant: L'Oreal
Inventor： Woo Ram Park , Bradford Pistorio , Helio Ito
Abstract: To provide a tapping device, capable of making a more comfortable tapping motion. A tapping device for vertically tapping a skin surface comprising: a tapping applicator for applying a normal force on the skin surface, wherein the tapping applicator is reciprocated in a direction perpendicular to the skin surface; an actuator for generating the linear reciprocating motion of the tapping applicator, wherein the actuator comprises a direct-current motor which is driven at an applied magnitude of voltage; a pressure sensing mechanism for measuring the magnitude of normal pressure exerted on the actuator during the operation of the tapping device in real time; and a controller for controlling the magnitude of voltage to be applied to the direct-current motor in real time, wherein the applied magnitude of voltage corresponds to the magnitude of normal pressure measured by the pressure sensing mechanism.
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公开(公告)号：US20190329035A1
公开(公告)日：2019-10-31
申请号：US16344753
申请日：2017-07-14
Applicant: L'OREAL
Inventor： Woo Ram Park , Chin Kai Lee , Bradford Pistorio , Jinghua Nan
Abstract: The present invention provides an electroporation device and a method for controlling an electroporation device for facilitating delivering active substances into skin such as stratum corneum while minimizing discomfort of a user by modulating applied voltage pulses. The electroporation device according to the present invention comprises: a measurement unit being configured to provide multiple outputs of one or more resistance measurement voltage pulses for measuring a resistance of skin of a user at a predetermined interval; and an output unit being configured to provide an output of one or more electroporation voltage pulses to the skin of the user based on the resistance of the skin of the user per each output of the one or more resistance measurement voltage pulses.
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公开(公告)号：US20240342379A1
公开(公告)日：2024-10-17
申请号：US18292133
申请日：2022-07-22
Applicant: L'Oreal
Inventor： Chin Kai Lee , Woo Ram Park
CPC classification number: A61M5/2053 , A61M5/30 , F02P3/01
Abstract: The present application provides a spark generator for generating pressure. The spark generator comprises: a main device; and a pressure chamber disposed adjacent to the main device, wherein the main device comprises: a circuit for generating a predetermined spark voltage; and an electromagnet, wherein the pressure chamber comprises: a non-compressive fluid contained therein; a fixed electrode disposed in the non-compressive fluid; a movable electrode disposed in the non-compressive fluid and separated from the fixed electrode at a predetermined distance; and a permanent magnet disposed on the movable electrode, wherein the circuit is configured to apply the spark voltage between the movable electrode and the fixed electrode, wherein the electromagnet is configured to apply a magnetic force to the permanent magnet to move the movable electrode toward the fixed electrode for generating spark between the movable electrode and the fixed electrode, wherein the pressure chamber comprises a pressure transferring structure composing a part of a wall of the pressure chamber and configured to transfer a pressure of the non-compressive fluid generated by the spark to outside of the pressure chamber.
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公开(公告)号：US20230417670A1
公开(公告)日：2023-12-28
申请号：US18253016
申请日：2021-11-12
Applicant: L'Oreal
Inventor： Alexandre Nicolas , Chin Kai Lee , Charlotte Pellet , Woo Ram Park
CPC classification number: G01N21/6408 , G01N21/8422 , G01N2021/6419 , G01N2021/8427
Abstract: A method for determining UV coverage on an irradiation target in real time comprises the steps of irradiating an irradiation target (10) with light including UV light (16) immediately after applying a sunscreen (12); detecting an amount of fluorescent light (20) emitted from the irradiation target in response to the light irradiation and storing the amount of the fluorescent light as reference data; irradiating the irradiation target (10) with the light including UV light (16) after a predetermined passage of time, or after applying a predetermined stress on the sunscreen (12); detecting an amount of fluorescent light (20) emitted from the irradiation target in response to the light irradiation and storing the amount of the fluorescent light as measurement data; and determining UV coverage by dividing the amount of the fluorescent light of the reference data by the amount of the fluorescent light of the measurement data, wherein the irradiation target (10) includes at least one substance emitting fluorescent light in response to the light irradiation.
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