Patents by Inventor Sang Chul Sul

Sang Chul Sul 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).

  • Patent number: 9954034
    Abstract: An image sensor comprising: a first layer having a plurality of groups of photodiodes formed in a semiconductor substrate, each group representing a 2×2 array of photodiodes, with 2 first pixels configured to detect light of a first wavelength and 2 second pixels configured to detect light of a second wavelength, each first pixel positioned adjacent to the second pixels; and a second layer overlapping the first layer, the second layer is organic, having a plurality of organic photodiodes configured to detect light of a third wavelength, each organic photodiode positioned to partially overlap 2 first photodiodes and 2 second photodiodes of the first layer.
    Type: Grant
    Filed: June 22, 2017
    Date of Patent: April 24, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Myung Won Lee, Sang Chul Sul, Hirosige Goto, Sae Young Kim, Gwi Deok Ryan Lee, Masaru Ishii, Kyo Jin Choo
  • Patent number: 9905615
    Abstract: An image sensor comprising: a first layer having a plurality of groups of photodiodes formed in a semiconductor substrate, each group representing a 2×2 array of photodiodes, with 2 first pixels configured to detect light of a first wavelength and 2 second pixels configured to detect light of a second wavelength, each first pixel positioned adjacent to the second pixels; and a second layer overlapping the first layer, the second layer is organic, having a plurality of organic photodiodes configured to detect light of a third wavelength, each organic photodiode positioned to partially overlap 2 first photodiodes and 2 second photodiodes of the first layer.
    Type: Grant
    Filed: August 10, 2016
    Date of Patent: February 27, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Myung Won Lee, Sang Chul Sul, Hirosige Goto, Sae Young Kim, Gwi Deok Ryan Lee, Masaru Ishii, Kyo Jin Choo
  • Patent number: 9894301
    Abstract: ACMOS image sensor includes a pixel array having a plurality of pixels. Each of the plurality of pixels includes: a photogate structure configured to be controlled based on a first gate voltage; and a sensing transistor including a charge pocket region formed in a substrate region, the sensing transistor being configured to be controlled based on a second gate voltage. Based on the first gate voltage, the photogate structure is configured to integrate charges generated in response to light incident on the substrate region. The sensing transistor is configured to adjust at least one of a threshold voltage of the sensing transistor and a current flow in the sensing transistor according to charges transferred from the photogate structure to the charge pocket region based on a difference between the first gate voltage and the second gate voltage.
    Type: Grant
    Filed: October 7, 2015
    Date of Patent: February 13, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young Gu Jin, Min Ho Kim, Tae Chan Kim, Dong Ki Min, Sang Chul Sul, Tae Seok Oh, Kwang Hyun Lee, Tae Yon Lee, Ju Hwan Jung
  • Publication number: 20170294487
    Abstract: An image sensor comprising: a first layer having a plurality of groups of photodiodes formed in a semiconductor substrate, each group representing a 2×2 array of photodiodes, with 2 first pixels configured to detect light of a first wavelength and 2 second pixels configured to detect light of a second wavelength, each first pixel positioned adjacent to the second pixels; and a second layer overlapping the first layer, the second layer is organic, having a plurality of organic photodiodes configured to detect light of a third wavelength, each organic photodiode positioned to partially overlap 2 first photodiodes and 2 second photodiodes of the first layer.
    Type: Application
    Filed: June 22, 2017
    Publication date: October 12, 2017
    Inventors: MYUNG WON LEE, Sang Chul Sul, Hirosige Goto, Sae Young Kim, Gwi Deok Ryan Lee, Masaru Ishii, Kyo Jin Choo
  • Patent number: 9780130
    Abstract: An image sensor is provided. The image sensor includes a first photoelectric conversion element and a second photoelectric conversion element, which are formed in a semiconductor substrate; a red color filter formed on the first photoelectric conversion element; a cyan color filter formed on the second photoelectric conversion element; and an organic photoelectric conversion layer formed on the red color filter and the cyan color filter, the organic photoelectric conversion layer configured to absorb wavelengths in a green range.
    Type: Grant
    Filed: June 19, 2015
    Date of Patent: October 3, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sung Dong Suh, Masaru Ishii, Sung Young Yun, Sang Chul Sul, Yong Wan Jin
  • Patent number: 9673258
    Abstract: Provided is an organic pixel, which includes a semiconductor substrate including a pixel circuit, an interconnection layer having a first contact and a first electrode formed on a semiconductor substrate, and an organic photo-diode formed on the interconnection layer. For example, the organic photo-diode includes an insulation layer formed on the first electrode, a second electrode and a photo-electric conversion region formed between the first contact, the insulation layer and the second electrode. The photo-electric conversion region includes an electron donating organic material and an electron accepting organic material. The organic photo-diode may further include a second contact electrically connected to the first contact. The horizontal distance between the second contacts and the insulation layer may be less than or equal to a few micrometers, for example, 10 micrometers.
    Type: Grant
    Filed: August 22, 2014
    Date of Patent: June 6, 2017
    Assignee: Samsung Electronics
    Inventors: Kyo Jin Choo, Hirosige Goto, Kyu Sik Kim, Yun Kyung Kim, Kyung Bae Park, Jin Ho Seo, Sang Chul Sul, Kyung Ho Lee, Kwang-hee Lee
  • Publication number: 20160351630
    Abstract: An image sensor comprising: a first layer having a plurality of groups of photodiodes formed in a semiconductor substrate, each group representing a 2×2 array of photodiodes, with 2 first pixels configured to detect light of a first wavelength and 2 second pixels configured to detect light of a second wavelength, each first pixel positioned adjacent to the second pixels; and a second layer overlapping the first layer, the second layer is organic, having a plurality of organic photodiodes configured to detect light of a third wavelength, each organic photodiode positioned to partially overlap 2 first photodiodes and 2 second photodiodes of the first layer.
    Type: Application
    Filed: August 10, 2016
    Publication date: December 1, 2016
    Inventors: MYUNG WON LEE, SANG CHUL SUL, HIROSIGE GOTO, SAE YOUNG KIM, GWI DEOK RYAN LEE, MASARU ISHII, KYO JIN CHOO
  • Patent number: 9432604
    Abstract: An image sensor chip includes a first wafer and a second wafer. The first wafer includes an image sensor having a plurality of sub-pixels, each of which is configured to detect at least one photon and output a sub-pixel signal according to a result of the detection. The image processor is configured to process sub-pixel signals for each sub-pixel and generate image data. The first wafer and the second wafer are formed in a wafer stack structure.
    Type: Grant
    Filed: October 11, 2013
    Date of Patent: August 30, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Tae Chan Kim, Min Ho Kim, Dong Ki Min, Sang Chul Sul, Tae Seok Oh, Kwang Hyun Lee, Tae Yon Lee, Jung Hoon Jung, Young Gu Jin
  • Patent number: 9385166
    Abstract: An image sensor includes a semiconductor layer, an organic photoelectric conversion portion disposed on an upper surface of the semiconductor layer and that converts a color component of incident light into a corresponding electrical signal, a transistor layer disposed on a lower surface of the semiconductor layer and including a pixel circuit that receives the electrical signal, and penetration wiring that laterally penetrates a side surface of the semiconductor layer between the upper and lower surfaces and that electrically connects the organic photoelectric conversion portion with the pixel circuit to communicate the electrical signal.
    Type: Grant
    Filed: January 14, 2015
    Date of Patent: July 5, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jung-Kyu Jung, Sang-Chul Sul, Gwi-Deok Lee, Tae-Yon Lee, Myung-Won Lee
  • Patent number: 9357142
    Abstract: An image sensor includes a pixel array and a row driver block. The pixel array includes a plurality of subpixel groups, each including a plurality of subpixels. Each of the plurality of subpixels is configured to generate a subpixel signal corresponding to photocharge accumulated in response to a photon. The row driver block is configured to generate a first control signal to control the subpixels included in each of the plurality of subpixel groups to accumulate the photocharge in parallel from a first time point to a second time point.
    Type: Grant
    Filed: October 11, 2013
    Date of Patent: May 31, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Tae Chan Kim, Min Ho Kim, Dong Ki Min, Sang Chul Sul, Tae Seok Oh, Kwang Hyun Lee, Tae Yon Lee, Jung Hoon Jung, Young Gu Jin
  • Publication number: 20160142630
    Abstract: An image sensor comprising: a first layer having a plurality of groups of photodiodes formed in a semiconductor substrate, each group representing a 2×2 array of photodiodes, with 2 first pixels configured to detect light of a first wavelength and 2 second pixels configured to detect light of a second wavelength, each first pixel positioned adjacent to the second pixels; and a second layer overlapping the first layer, the second layer is organic, having a plurality of organic photodiodes configured to detect light of a third wavelength, each organic photodiode positioned to partially overlap 2 first photodiodes and 2 second photodiodes of the first layer.
    Type: Application
    Filed: January 22, 2016
    Publication date: May 19, 2016
    Inventors: MYUNG WON LEE, SANG CHUL SUL, HIROSIGE GOTO, SAE YOUNG KIM, GWI DEOK RYAN LEE, MASARU ISHll, KYO JIN CHOO
  • Patent number: 9300887
    Abstract: An image sensor includes a photoelectric conversion unit, a signal generation unit, and a feedback unit. The photoelectric conversion unit is formed above a substrate and detects incident light to generate photo-charges based on a drive voltage. The signal generation unit is formed on the substrate and generates an analog signal based on the photo-charges. The feedback unit generates the drive voltage based on an amount of the photo-charges generated from the photoelectric conversion unit. The image sensor may perform a wide dynamic range (WDR) function.
    Type: Grant
    Filed: April 18, 2014
    Date of Patent: March 29, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Gwi-Deok Lee, Kyung-Ho Lee, Hiroshige Goto, Sae-Young Kim, Sang-Chul Sul, Myung-Won Lee
  • Patent number: 9287327
    Abstract: An image sensor comprising: a first layer having a plurality of groups of photodiodes formed in a semiconductor substrate, each group representing a 2×2 array of photodiodes, with 2 first pixels configured to detect light of a first wavelength and 2 second pixels configured to detect light of a second wavelength, each first pixel positioned adjacent to the second pixels; and a second layer overlapping the first layer, the second layer is organic, having a plurality of organic photodiodes configured to detect light of a third wavelength, each organic photodiode positioned to partially overlap 2 first photodiodes and 2 second photodiodes of the first layer.
    Type: Grant
    Filed: June 20, 2014
    Date of Patent: March 15, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Myung Won Lee, Sang Chul Sul, Hirosige Goto, Sae Young Kim, Gwi Deok Ryan Lee, Masaru Ishii, Kyo Jin Choo
  • Publication number: 20160035794
    Abstract: A photocharge storage element includes a gate insulator formed on a gate electrode, a channel formed on the gate insulator between a source electrode and a drain electrode, and an organic photoelectric conversion element formed on the channel. The organic photoelectric conversion element generates photocharges in response to light. The channel accumulates the photocharges generated by the organic photoelectric conversion element. The photocharges accumulated in the channel are read out from the channel in response to a voltage between the source electrode and the drain electrode.
    Type: Application
    Filed: July 29, 2015
    Publication date: February 4, 2016
    Applicant: Dong-A University Research Foundation For Industry-Academy Cooperation
    Inventors: Yun Jeong KIM, Sang Chul SUL, Chung Kun SONG, Myung Won LEE, Tae Yon LEE, Gi Seong RYU, Seung Hyeon JEONG, Chang Min JEONG, Hyun Ji JO
  • Publication number: 20160028977
    Abstract: ACMOS image sensor includes a pixel array having a plurality of pixels. Each of the plurality of pixels includes: a photogate structure configured to be controlled based on a first gate voltage; and a sensing transistor including a charge pocket region formed in a substrate region, the sensing transistor being configured to be controlled based on a second gate voltage. Based on the first gate voltage, the photogate structure is configured to integrate charges generated in response to light incident on the substrate region. The sensing transistor is configured to adjust at least one of a threshold voltage of the sensing transistor and a current flow in the sensing transistor according to charges transferred from the photogate structure to the charge pocket region based on a difference between the first gate voltage and the second gate voltage.
    Type: Application
    Filed: October 7, 2015
    Publication date: January 28, 2016
    Inventors: Young Gu JIN, Min Ho Kim, Tae Chan Kim, Dong Ki Min, Sang Chul Sul, Tae Seok Oh, Kwang Hyun Lee, Tae Yon Lee, Ju Hwan Jung
  • Publication number: 20150372036
    Abstract: An image sensor is provided. The image sensor includes a first photoelectric conversion element and a second photoelectric conversion element, which are formed in a semiconductor substrate; a red color filter formed on the first photoelectric conversion element; a cyan color filter formed on the second photoelectric conversion element; and an organic photoelectric conversion layer formed on the red color filter and the cyan color filter, the organic photoelectric conversion layer configured to absorb wavelengths in a green range.
    Type: Application
    Filed: June 19, 2015
    Publication date: December 24, 2015
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sung Dong SUH, Masaru ISHII, Sung Young YUN, Sang Chul SUL, Yong Wan JIN
  • Patent number: 9177987
    Abstract: A binary complementary metal-oxide-semiconductor (CMOS) image sensor includes a pixel array and a readout circuit. The pixel array includes at least one pixel having a plurality of sub-pixels. The readout circuit is configured to quantize a pixel signal output from the pixel using a reference signal. The pixel signal corresponds to sub-pixel signals output from sub-pixels, from among the plurality of sub-pixels, activated in response to incident light.
    Type: Grant
    Filed: October 10, 2013
    Date of Patent: November 3, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Tae-Yon Lee, Ju Hwan Jung, Seok Yong Hong, Tae-Chan Kim, Dong Ki Min, Yoon Dong Park, Sang-Chul Sul, Tae-Seok Oh, Je Il Ryu, Kwang-Hyun Lee, Young-Gu Jin
  • Publication number: 20150287766
    Abstract: A unit pixel of an image sensor is provided. The unit pixel includes a visible light detection layer and an infrared light detection layer disposed on the visible light detection layer. The visible light detection layer includes visible light pixels and color filters configured to detect visible light to output first charges. The infrared light detection layer includes at least one infrared light pixel configured to detect infrared light to output second charges.
    Type: Application
    Filed: April 1, 2015
    Publication date: October 8, 2015
    Inventors: Tae-Chan Kim, June-Taeg Lee, Dong-Ki Min, Sang-Chul Sul, Myung-Won Lee, Tae-Yon Lee, Jung-Kyu Jung
  • Patent number: 9148599
    Abstract: An image sensor and an image sensing method are provided. The image sensor includes a semiconductor substrate; a photoelectric converter comprising a bias unit, which comprises a first electrode and a second electrode, and an organic photoelectric conversion layer, which selectively absorbs light and converts the light into electrons; a via contacting the second electrode to connect the photoelectric converter with the semiconductor substrate; a storage node configured to store electrons; a read-out unit to converts charge transferred from the storage node into an image signal; a pixel array comprising a plurality of pixels, each of which comprises an intermediate insulating layer; and an output circuit configured to read out the image signal from the pixel array. The quantity of light received by the organic photoelectric conversion layer is adjusted by a bias change of the bias unit.
    Type: Grant
    Filed: December 22, 2014
    Date of Patent: September 29, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang Chul Sul, Hirosige Goto, Kyung Ho Lee
  • Publication number: 20150221702
    Abstract: Provided are an image sensor and an image processing device. The image sensor includes a semiconductor layer, an organic photoelectric conversion portion disposed on an upper surface of the semiconductor layer and converts a color component of incident light into a corresponding electrical signal, a transistor layer disposed on a lower surface of the semiconductor layer and including a pixel circuit that receives the electrical signal, and penetration wiring that laterally penetrates a side surface of the semiconductor layer between the upper and lower surfaces and that electrically connects the organic photoelectric conversion portion with the pixel circuit to communicate the electrical signal.
    Type: Application
    Filed: January 14, 2015
    Publication date: August 6, 2015
    Inventors: JUNG-KYU JUNG, SANG-CHUL SUL, GWI-DEOK LEE, TAE-YON LEE, MYUNG-WON LEE