Patents by Inventor Myung Ho Lee

Myung Ho Lee 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: 10920142
    Abstract: Provided are a polysiloxane-based compound, a selective etching composition with respect to a silicon nitride layer including the polysiloxane-based compound, and a method of manufacturing a semiconductor device including the etching composition. The silicon nitride layer etching composition including the polysiloxane-based compound may selectively etch the silicon nitride layer relative to a silicon oxide layer, and have a significantly excellent etch selectivity ratio, and a small change in etch rate and a small change in etch selectivity ratio with respect to the silicon nitride layer even when time for using the composition increases or the composition is repeatedly used.
    Type: Grant
    Filed: June 7, 2019
    Date of Patent: February 16, 2021
    Assignee: ENF TECHNOLOGY CO., LTD.
    Inventors: Dong Hyun Kim, Hyeon Woo Park, Du Won Lee, Jang Woo Cho, Myung Ho Lee
  • Patent number: 10912215
    Abstract: A display device includes a display panel including a plurality of pixels, a second driving circuit that applies a gate signal to the plurality of pixels, and a first connecting member connected to the display panel on a first edge of the display panel. The first connecting member includes a control signal wiring connected to the second driving circuit. The display device further includes a flexible printed circuit board (FPCB) connected to the display panel on a second edge of the display panel. The second edge faces the first edge, and the FPCB includes a first driving circuit that applies a data voltage to the plurality of pixels.
    Type: Grant
    Filed: May 1, 2019
    Date of Patent: February 2, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seung-Jun Lee, Myung Ho Lee, Myoung Seop Song
  • Patent number: 10896645
    Abstract: A foldable display device according to example embodiments includes a flexible display panel including a first display area having at least partially foldable area and a second display area not having the foldable area, a folding sensor in the first display area configured to detect a folding status of the flexible display panel and output a detecting signal which includes the folding status of the flexible display panel, a scan driver configured to sequentially provide scan signals to at least a part of a plurality of scan lines based on the detecting signal, a data driver configured to provide data signals to the flexible display panel based on the detecting signal, and a timing controller configured to convert input image data into corrected image data based on the detecting signal and control the scan driver and the data driver.
    Type: Grant
    Filed: October 10, 2017
    Date of Patent: January 19, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seung-Jun Lee, Hyo-Jin Lee, Hui Nam, Myung-Ho Lee
  • Publication number: 20210012704
    Abstract: A display device and a driving method thereof are disclosed, and the display device includes a first pixel connected to a first data line, a first scan line, and a first power source line, emitting light in a first period, and not emitting light in a second period following the first period; a second pixel connected to a second data line, the first scan line, and the first power source line, not emitting light in the first period, and emitting light in the second period; a current sensor sensing a current flowing through the first power source line in the first period to provide a first sensing current value, and sensing the current flowing through the first power source line in the second period to provide a second sensing current value; and a memory to storing a first block target current value corresponding to the first sensing current value and a second block target current value corresponding to the second sensing current value.
    Type: Application
    Filed: April 7, 2020
    Publication date: January 14, 2021
    Inventors: Ki Hyun PYUN, Myoung Seop SONG, Myung Ho LEE
  • Patent number: 10878746
    Abstract: An organic light emitting display device and a driving method thereof are disclosed. The display device has sub-pixels of multiple colors. In one aspect, the organic light emitting display device detects sub-pixels which are positioned at the edges of the panel. Data for the sub-pixels on the edges are reduced so that colors on the edges are less observable.
    Type: Grant
    Filed: November 30, 2018
    Date of Patent: December 29, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ji-Yeon Yang, Geun-Young Jeong, Takeshi Kato, Myung-Ho Lee
  • Patent number: 10837115
    Abstract: A pre-treatment composition for use before etching SiGe includes an acid, an alcohol, and a silane compound having a chemical formula R—Si(R1)n(OR2)3-n in which R is (C3-C20)alkyl, (C6-C12)aryl, (C6-C12)aryl(C3-C20)alkyl, or (C3-C20)alkyl(C6-C12)aryl, R1 is hydrogen, hydroxyl, halogen, (C1-C20)alkyl, halo(C1-C20)alkyl, (C6-C12)aryl, (C6-C12)aryl(C1-C20)alkyl, or (C1-C20)alkyl(C6-C12)aryl, R2 is hydrogen, (C1-C20)alkyl, halo(C1-C20)alkyl, (C6-C12)aryl, (C6-C12)aryl(C1-C20)alkyl, or (C1-C20)alkyl(C6-C12)aryl, n is an integer of 0 to 2, and the alkyl, aryl, arylalkyl, or alkylaryl of R, and the alkyl, haloalkyl, aryl, arylalkyl, or alkylaryl of R1 may be further substituted with at least one substituent selected from halogen, hydroxyl, —N(R11)(R12), and —S(R13), where each of the R11, the R12 and the R13 is independently hydrogen or (C1-C20)alkyl.
    Type: Grant
    Filed: September 24, 2018
    Date of Patent: November 17, 2020
    Assignees: Samsung Electronics Co., Ltd., ENF Technology Co., Ltd.
    Inventors: Soojin Kim, Hyo-Sun Lee, Jung-Min Oh, Hyosan Lee, Donghyun Kim, Haksoo Kim, Jung Jae Oh, Myung Ho Lee
  • Publication number: 20200357346
    Abstract: A display device includes: first pixels coupled to data lines and a first scan line; second pixels coupled to the data lines and a second scan line; a data driver for sequentially supplying, to the data lines, first data voltages corresponding to first grayscale values of the first pixels and second data voltages corresponding to second grayscale values of the second pixels; a scan driver for supplying a first scan signal to the first scan line, and supplying a second scan signal to the second scan line; and a precharge controller for determining a width of a pulse of the second scan signal, based on a comparison result of the second grayscale values and previous frame grayscale values and a comparison result of the first grayscale values and the second grayscale values.
    Type: Application
    Filed: March 2, 2020
    Publication date: November 12, 2020
    Inventors: KI HYUN PYUN, MYOUNG SEOP SONG, MYUNG HO LEE
  • Publication number: 20200346600
    Abstract: A bumper beam of a vehicle according to the present invention includes a pair of mounting portions for being fixed to a vehicle member, a supporting portion having a cross-section in which a front surface is closed and a rear surface opens and having both ends supporting the pair of mounting portions, a web disposed in front of the supporting portion, an energy absorbing portion supporting a rear surface of the web and supported by the front surface of the supporting portion to absorb energy generated when a colliding object collides to with the web, and an energy transmitting portion connecting the energy absorbing portion and the pair of mounting portions.
    Type: Application
    Filed: November 29, 2018
    Publication date: November 5, 2020
    Inventor: Myung Ho LEE
  • Publication number: 20200339879
    Abstract: Provided are an etching composition and an etching method using the same, and more particularly, an etching composition for selectively etching a metal nitride film, an etching method of the metal nitride film using the same, and a method of manufacturing a microelectronic device including a process performed using the same.
    Type: Application
    Filed: April 22, 2020
    Publication date: October 29, 2020
    Inventors: Hye Hee LEE, Hyeon Woo PARK, Myung Ho LEE, Myung Geun SONG
  • Patent number: 10643538
    Abstract: A pixel includes: a first driver connected to a first driving data line; a second driver connected to a second driving data line; and an organic light emitting diode (OLED) connected to the first driver and the second driver, the OLED to emit light in response to a data signal supplied to the first driving data line when the first driver is driven, and to emit light in response to a data signal supplied to the second driving data line when the second driver is driven.
    Type: Grant
    Filed: April 1, 2016
    Date of Patent: May 5, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sung Yeon Cho, Hui Nam, Tae Jin Kim, Myung Ho Lee
  • Publication number: 20200135113
    Abstract: A display device may include pixels coupled to scan lines and data lines, at least one scan driver for supplying a scan signal to the pixels through the scan lines, and a data driver for supplying a data signal and a bias signal to the pixels through the data lines. The pixels are supplied with the data signal when the scan signal is supplied during display periods, and are supplied with the bias signal when the scan signal is supplied during a bias period between the display periods. By the bias signal, a bias voltage is supplied to first group pixels that emit light with a preset grayscale during the display periods.
    Type: Application
    Filed: August 15, 2019
    Publication date: April 30, 2020
    Inventors: JOON SUK BAIK, JAE WOO RYU, MYUNG HO LEE, SANG SU HAN
  • Patent number: 10638050
    Abstract: The present disclosure in some embodiments provides a method of setting a captured image by a pan-tilt-zoom camera (PTZ camera) and an apparatus therefor. A method of setting a captured image by a PTZ camera and an apparatus therefor are disclosed for setting captured images of a plurality of image capturing areas, to enable prompt setting of multiple images with the PTZ camera changing its targeted imaging areas while maintaining an On Screen Display setting mode (OSD setting mode) for captured image setting.
    Type: Grant
    Filed: May 8, 2017
    Date of Patent: April 28, 2020
    Assignee: YNM SYSTEMS INC.
    Inventor: Myung-ho Lee
  • Publication number: 20200105657
    Abstract: A display device comprises a pad terminal area and a first circuit board attached to the pad terminal area. The pad terminal area comprises a first pad terminal area having a first pad terminal row of first pad terminals and a second pad terminal area having a second pad terminal row of second pad terminals. The first circuit board comprises a first film having a first lead terminal row of first lead terminals and a second film having a second lead terminal row of second lead terminals. The first lead terminals are connected to the first pad terminals, the second lead terminals are connected to the second pad terminals, an end of the second film protrudes outward from an end of the first film, and the second pad terminal area overlaps an area between the end of the first film and the end of the second film.
    Type: Application
    Filed: July 23, 2019
    Publication date: April 2, 2020
    Inventors: Seung Jun Lee, Myung Ho Lee
  • Publication number: 20200071614
    Abstract: Provided are a silicon nitride layer etching composition, and more specifically, a silicon nitride layer etching composition, capable of etching the silicon nitride layer at a high selectivity ratio relative to a silicon oxide layer by comprising a polysilicon compound in the etching composition, an etching method of a silicon nitride layer using the same, and a method of manufacturing a semiconductor device.
    Type: Application
    Filed: August 30, 2019
    Publication date: March 5, 2020
    Inventors: Dong Hyun KIM, Hyeon Woo PARK, Jang Woo CHO, Tae Ho KIM, Myung Ho LEE, Myung Geun SONG
  • Publication number: 20200071640
    Abstract: A thinner composition is capable of reducing the amount of photoresist used in a reducing resist consumption (RRC) coating process, an edge bead removed (EBR) process or the like, and removing unnecessary photoresist on an edge portion or a backside portion of the wafer. The thinner composition includes C1-C10 alkyl C1-C10 alkoxy propionate, propylene glycol C1-C10 alkyl ether, and propylene glycol C1-C10 alkyl ether acetate.
    Type: Application
    Filed: August 29, 2019
    Publication date: March 5, 2020
    Inventors: Du Won LEE, Sang Dae LEE, Myung Ho LEE, Myung Geun SONG
  • Publication number: 20200068733
    Abstract: A display device includes a display panel including a plurality of pixels, a second driving circuit that applies a gate signal to the plurality of pixels, and a first connecting member connected to the display panel on a first edge of the display panel. The first connecting member includes a control signal wiring connected to the second driving circuit. The display device further includes a flexible printed circuit board (FPCB) connected to the display panel on a second edge of the display panel. The second edge faces the first edge, and the FPCB includes a first driving circuit that applies a data voltage to the plurality of pixels.
    Type: Application
    Filed: May 1, 2019
    Publication date: February 27, 2020
    Inventors: Seung-Jun Lee, Myung Ho Lee, Myoung Seop Song
  • Publication number: 20200013341
    Abstract: A display device includes a display part including an organic light emitting diode (OLED) connected to a pixel circuit connected to a scan line and a sensing scan line, a signal generator configured to generate at least one display output enable (OE) signal during an image display period; and generate at least one sensing OE signal during a sensing period; and a scan driver including a display scan signal terminal connected to the scan line and a sensing scan signal terminal connected to the sensing scan line, wherein the scan driver is configured to: generate a scan signal for turning on the switching transistor in response to the display OE signal during the image display period; and generate a sensing scan signal for turning on the sensing transistor in response to the sensing OE signal during the sensing period.
    Type: Application
    Filed: May 21, 2019
    Publication date: January 9, 2020
    Inventors: Tae Jin KIM, Gyu Su LEE, Myung Ho LEE
  • Publication number: 20190390110
    Abstract: Provided is a silicon nitride layer etching composition, and more specifically, a silicon nitride layer etching composition including two different silicon-based compounds in an etching composition to be capable of selectively etching a silicon nitride layer relative to a silicon oxide layer with a remarkable etch selectivity ratio and providing remarkable effects of suppressing generation of precipitates and reducing the abnormal growth of other layers existing in the vicinity, including the silicon oxide layer when the silicon nitride layer etching composition is used for an etching process and a semiconductor manufacturing process.
    Type: Application
    Filed: May 17, 2019
    Publication date: December 26, 2019
    Inventors: Dong Hyun KIM, Hyeon Woo PARK, Du Won LEE, Jang Woo CHO, Myung Ho LEE, Myung Geun SONG
  • Patent number: 10515584
    Abstract: An organic light emitting display device including a scan driver configured to supply scan signals to scan lines, and configured to supply emission control signals to emission control lines, a data driver configured to supply data signals to data lines, pixels respectively including driving transistors configured to be initialized by a voltage of an initializing power source, an initializing power source generator configured to supply the voltage of the initializing power source to an initializing power source line commonly connected to the pixels, and a timing controller configured to control the scan driver, the data driver, and the initializing power source generator, wherein the initializing power source generator is configured to supply the initializing power source having different voltages during a first period in which the scan signals are supplied, and during a second period of a low frequency driving period in which the scan signals are not supplied.
    Type: Grant
    Filed: February 8, 2016
    Date of Patent: December 24, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sung Yeon Cho, Hui Nam, Tae Jin Kim, Myung Ho Lee
  • Publication number: 20190382659
    Abstract: Provided are a polysiloxane-based compound, a selective etching composition with respect to a silicon nitride layer including the polysiloxane-based compound, and a method of manufacturing a semiconductor device including the etching composition. The silicon nitride layer etching composition including the polysiloxane-based compound may selectively etch the silicon nitride layer relative to a silicon oxide layer, and have a significantly excellent etch selectivity ratio, and a small change in etch rate and a small change in etch selectivity ratio with respect to the silicon nitride layer even when time for using the composition increases or the composition is repeatedly used.
    Type: Application
    Filed: June 7, 2019
    Publication date: December 19, 2019
    Inventors: Dong Hyun KIM, Hyeon Woo PARK, Du Won LEE, Jang Woo CHO, Myung Ho LEE