Patents by Inventor Yong Wan

Yong Wan has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20200364431
    Abstract: A fingerprint sensor may include first and second electrodes, a light absorption layer isolated from direct contact with the first and second electrodes, and an insulation layer between the first electrode and the light absorption layer and further between the second electrode and the light absorption layer. A reflective layer may be between the light absorption layer and the first electrode. The insulation layer may include a first insulation layer between the first electrode and the light absorption layer, and a second insulation layer between the second electrode and the light absorption layer. A fingerprint sensor array including a plurality of fingerprint sensors may at least partially expose a plurality of sub-pixels of a display panel on which the fingerprint sensor array is located.
    Type: Application
    Filed: December 30, 2019
    Publication date: November 19, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Gae Hwang LEE, Kyung Bae PARK, Sung Jun PARK, Sung Young YUN, Yong Wan JIN, Chui Joon HEO
  • Patent number: 10812738
    Abstract: An electronic device includes a lens, an optical filter asymmetric to an optical axis of the lens, and an image sensor including a visible light image sensor and a non-visible light image sensor. The optical filter has an opening and is configured to transmit visible light and block at least one type of non-visible light. The visible light image sensor is configured to sense the visible light and the non-visible light image sensor is configured to sense the at least one type of non-visible light.
    Type: Grant
    Filed: July 1, 2019
    Date of Patent: October 20, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung Young Yun, Gae Hwang Lee, Dong-Seok Leem, Yong Wan Jin
  • Patent number: 10804303
    Abstract: An image sensor may include an organic photo-detector configured to selectively detect a near infrared wavelength spectrum of light and photoelectrically convert the detected near infrared wavelength spectrum of light, and a photo-detector array on the organic photo-detector, the photo-detector array including a photo-detector configured to detect a limited wavelength spectrum of visible light and photoelectrically convert the limited wavelength spectrum of visible light. The image sensor may discharge charges photoelectrically converted by the photo-detector to a first floating diffusion node, and the image sensor may discharge charges photoelectrically converted by the organic photo-detector to a second floating diffusion node. An area of the first floating diffusion node may be greater than an area of the second floating diffusion node.
    Type: Grant
    Filed: December 27, 2018
    Date of Patent: October 13, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kyung Bae Park, Yong Wan Jin
  • Patent number: 10804327
    Abstract: Disclosed are an organic photoelectric device including a first electrode and a second electrode facing each other and a photoelectric conversion layer disposed between the first electrode and the second electrode and selectively absorbing light in a green wavelength region, wherein the photoelectric conversion layer includes a first and second photoelectric conversion materials, a light-absorption full width at half maximum (FWHM) in a green wavelength region of the first photoelectric conversion material is narrower than the light-absorption FWHM in a green wavelength region of the second photoelectric conversion material, and the first and second photoelectric conversion materials satisfy Relationship Equation 1, and an image sensor and an electronic device including the same. Tm2(° C.)?Ts2(10)(° C.)?Tm1(° C.)?Ts1(10)(° C.
    Type: Grant
    Filed: September 20, 2018
    Date of Patent: October 13, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kiyohiko Tsutsumi, Kyung Bae Park, Takkyun Ro, Chul Joon Heo, Yong Wan Jin
  • Publication number: 20200319741
    Abstract: An electronic device may include an edge touch screen including a main display region and an edge display region extending from the main display region each including one or more of red pixels, near infrared ray pixels, and sensor pixels for detecting light with different wavelengths; and a controller configured to, drive the edge touch screen in response to a touch input for the edge display region being maintained for a set time by instructing at least one selected red pixel of the red pixels and at least one selected near infrared ray pixel of the near infrared ray pixels corresponding to a position of the touch input to emit light, and measure biometrics based on light amounts of light of different wavelengths received from at least one selected sensor pixel of the sensor pixels corresponding to the position of the touch input.
    Type: Application
    Filed: June 19, 2020
    Publication date: October 8, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Chul Joon HEO, Kyung Bae PARK, Yong Wan JIN
  • Patent number: 10795081
    Abstract: A method for measuring and dynamically modulating characteristics of slow light in a photonic-crystal coupled-cavity waveguide is set forth. A photonic-crystal structure consists of a series of microcavity components formed by arranging silicon dielectric rods in triangular lattice structure in the substrate of organic polymer polystyrene with an electro-optical effect, a light waveguide structure being along the X direction, and regularly removing single silicon dielectric rods. The present disclosure has the beneficial effects that extremely high slow light effect and high-performance all-optical buffer are realized.
    Type: Grant
    Filed: October 15, 2019
    Date of Patent: October 6, 2020
    Assignee: Qingdao University
    Inventors: Changhong Li, Yong Wan, Nan Zhang, Yufan Fang, Chongqing Yan
  • Publication number: 20200312928
    Abstract: An OLED panel may be embedded with a near-infrared organic photosensor and may be configured to implement biometric recognition without an effect on an aperture ratio of an OLED emitter. The OLED panel may include a substrate, an OLED stack on the substrate and configured to emit visible light, and an NIR light sensor stack between the substrate and the OLED stack and including an NIR emitter configured to emit NIR light and an NIR detector. The OLED panel may be included in one or more various electronic devices.
    Type: Application
    Filed: June 12, 2020
    Publication date: October 1, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Chil Hee CHUNG, Sangyoon LEE, Yong Wan JIN, Kyung Bae PARK, Kwang Hee LEE
  • Publication number: 20200313663
    Abstract: A frequency demultiplication adjustment method of PLL comprises obtaining a plurality of corresponding frequency demultiplication frequency points according to a default frequency demultiplication value of a phase-locked loop; obtaining a load state of the processor within a predetermined sampling period, and obtaining a target frequency point of the processor by the processor frequency adjustor; determining a frequency range of a virtual frequency point to be added according to the position of the target frequency point; performing calculation within the frequency range to obtain equivalent frequencies corresponding to virtual frequency points; judging whether the frequency of the target frequency point is equal to the equivalent frequency corresponding to the virtual frequency points; if not, switching the processor frequency adjustor to the corresponding frequency demultiplication frequency point; and adjusting the frequency demultiplication value of the phase-locked loop which outputs a clock source signa
    Type: Application
    Filed: September 27, 2018
    Publication date: October 1, 2020
    Inventors: Tao ZENG, Yong WAN
  • Publication number: 20200311395
    Abstract: A method and an apparatus for estimating and correcting a human body posture in an image are disclosed. According to the method, persons from an input image, and an individual person area corresponding to each person is obtained, human body parts constituting a person for each individual person area are detected, how much a motion of the person matches with a presented motion as a reference by comparing the human body parts with the presented motion is determined, and correction information to match with the presented motion is generated based on a result of the determining.
    Type: Application
    Filed: March 25, 2020
    Publication date: October 1, 2020
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Daehwan KIM, Ki Tae KIM, Yong Wan KIM, Ki-Hong KIM, Ki Suk LEE
  • Patent number: 10786186
    Abstract: Disclosed is a non-invasive biometric sensor including a light source, an organic photodetector, and a detector. The light source is configured to irradiate light in a desired (and/or alternatively predetermined) wavelength range to a body part. The organic photodetector is configured to sense the light in the desired (and/or alternatively predetermined) wavelength range in response to the light in the desired (and/or alternatively predetermined) range being transmitted through the body part. The detector is configured to determine biomedical information of the body part based on an amount of the light sensed by the organic photodetector.
    Type: Grant
    Filed: June 29, 2017
    Date of Patent: September 29, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chul Joon Heo, Kyung Bae Park, Takkyun Ro, Kwang Hee Lee, Dongseon Lee, Yong Wan Jin, Moon Gyu Han
  • Publication number: 20200297847
    Abstract: Disclosed is a pharmaceutical composition for obesity inhibition for photodynamically inhibiting obesity, containing trisodium Chlorin e6 as an active ingredient.
    Type: Application
    Filed: June 9, 2020
    Publication date: September 24, 2020
    Inventors: Yong Wan KIM, Anil Kumar CHAUHAN
  • Publication number: 20200284568
    Abstract: Disclosed are an organic photoelectric device including a first electrode and a second electrode facing each other and a photoelectric conversion layer between the first electrode and the second electrode, wherein the photoelectric conversion layer includes a p-type semiconductor, an n-type semiconductor, and an n-type dopant represented by Chemical Formula 1, and an image sensor and an electronic device including the same. Definitions of Chemical Formula 1 are the same as defined in the detailed description.
    Type: Application
    Filed: May 15, 2020
    Publication date: September 10, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Kyung Bae PARK, Sung Jun PARK, Hiromasa SHIBUYA, Sung Young YUN, Gae Hwang LEE, Yong Wan JIN, Chul Joon HEO
  • Publication number: 20200261847
    Abstract: The invention discloses a preparation method and application of in-situ high-efficiency degradation carbon based material of VOCs in landfill based on waste regeneration, which comprises the following steps: air drying the agricultural and forestry wastes to a moisture content of 0.001 wt % 20 wt %, and the agricultural and forestry wastes mainly include: straw, wheat straw, leaves, branches, weeds, crushing them to a particle size of 0-50 mm with a grinder, and then using urea or amide as modifier The nitrogen enriched biochar was prepared by mixing the crushed agricultural and forestry wastes with a mass ratio of 1:50-1:10; the nitrogen enriched biochar was prepared by retorting the nitrogen doped agricultural and forestry wastes at 300-600° C. for 20-60 min, and then cooling them rapidly; the nitrogen enriched biochar was mixed with the sewage sludge with a moisture content of 90-98 wt.
    Type: Application
    Filed: January 21, 2020
    Publication date: August 20, 2020
    Applicant: INSTITUTE OF ROCK AND SOIL MECHANICS, CHINESE ACADEMY OF SCIENCES
    Inventors: Yong WAN, Lei LIU, Linbo QIN, Jiangshan LI, Yijun CHEN
  • Patent number: 10734593
    Abstract: An organic electronic device includes an organic device including an organic material, a first protective film on the organic device, a second protective film on the first protective film and including a same material as the first protective film, and a third protective film on the second protective film.
    Type: Grant
    Filed: January 16, 2019
    Date of Patent: August 4, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ryuichi Satoh, Kyusik Kim, Kyung Bae Park, Yong Wan Jin, Chuljoon Heo
  • Patent number: 10727285
    Abstract: An OLED panel may be embedded with a near-infrared organic photosensor and may be configured to implement biometric recognition without an effect on an aperture ratio of an OLED emitter. The OLED panel may include a substrate, an OLED stack on the substrate and configured to emit visible light, and an NIR light sensor stack between the substrate and the OLED stack and including an NIR emitter configured to emit NIR light and an NIR detector. The OLED panel may be included in one or more various electronic devices.
    Type: Grant
    Filed: July 5, 2018
    Date of Patent: July 28, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chil Hee Chung, Sangyoon Lee, Yong Wan Jin, Kyung Bae Park, Kwang Hee Lee
  • Patent number: 10712851
    Abstract: An electronic device may include an edge touch screen including a main display region and an edge display region extending from the main display region each including one or more of red pixels, near infrared ray pixels, and sensor pixels for detecting light with different wavelengths; and a controller configured to, drive the edge touch screen in response to a touch input for the edge display region being maintained for a set time by instructing at least one selected red pixel of the red pixels and at least one selected near infrared ray pixel of the near infrared ray pixels corresponding to a position of the touch input to emit light, and measure biometrics based on light amounts of light of different wavelengths received from at least one selected sensor pixel of the sensor pixels corresponding to the position of the touch input.
    Type: Grant
    Filed: August 6, 2018
    Date of Patent: July 14, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chul Joon Heo, Kyung Bae Park, Yong Wan Jin
  • Patent number: 10686149
    Abstract: An optoelectronic diode may include a first electrode, a second electrode, a third electrode, a first active layer between the first and second electrodes, and a second active layer between the second and third electrodes. Two of the electrodes may be electrically connected to each other and may have different resistances. The first and second active layers may be isolated from each other. The first active layer, the first electrode, and the second electrode may form a diode, and the second active layer, the second electrode, and the third electrode may form a diode. The second electrode may have a refractive index different from a refractive index of the second active layer.
    Type: Grant
    Filed: October 22, 2018
    Date of Patent: June 16, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kyung Bae Park, Gae Hwang Lee, Takkyun Ro, Yong Wan Jin, Chul Joon Heo
  • Publication number: 20200172549
    Abstract: The present disclosure relates to novel chlorine e6-curcumin derivatives, a preparation method thereof for the treatment of cancer, and in particularly, novel compounds were prepared by using different linkers such as hydrophobic and hydrophilic linkers to conjugate chlorine e6 to curcumin, the compounds under investigation showed excellent photophysical properties, stability, and anticancer activity.
    Type: Application
    Filed: December 23, 2019
    Publication date: June 4, 2020
    Inventors: Shivakumar S JALDE, Yong Wan KIM, Kwang Hee SON, Hwan Suk LEE
  • Publication number: 20200152898
    Abstract: A photoelectric conversion device includes a first electrode and a second electrode facing each other, a photoelectric conversion layer between the first electrode and the second electrode and configured to absorb light in at least one part of a wavelength spectrum of light and to convert it into an electric signal, and an organic auxiliary layer between the first electrode and the photoelectric conversion layer and having a higher charge mobility than a charge mobility of the photoelectric conversion layer. An organic sensor may include the photoelectric conversion device. An electronic device may include the organic sensor.
    Type: Application
    Filed: July 23, 2019
    Publication date: May 14, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Chul Joon HEO, Kyung Bae PARK, Hyun Bum KANG, Sung Jun PARK, Jeong II PARK, Chul BAIK, Ji Soo SHIN, Sung Young YUN, Gae Hwang LEE, Don-Wook LEE, Eun Kyung LEE, Yong Wan JIN, Yeong Suk CHOI, Taejin CHOI
  • Publication number: 20200152703
    Abstract: A photoelectric conversion device includes a first electrode and a second electrode facing each other, a photoelectric conversion layer between the first electrode and the second electrode and configured to absorb light in at least one part of a wavelength spectrum of light and to convert it into an electric signal, and an inorganic nanolayer between the first electrode and the photoelectric conversion layer and including a lanthanide element, calcium (Ca), potassium (K), aluminum (Al), or an alloy thereof. An organic CMOS image sensor may include the photoelectric conversion device. An electronic device may include the organic CMOS image sensor.
    Type: Application
    Filed: July 29, 2019
    Publication date: May 14, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Kyung Bae PARK, Chul Joon HEO, Sung Young YUN, Gae Hwang LEE, Yong Wan JIN