Patents by Inventor Hae-Goo Jung
Hae-Goo Jung 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).
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Patent number: 11956997Abstract: A display device according to an exemplary embodiment includes: a substrate including a display area and a transmission area; a metal blocking layer disposed in the display area of the substrate; an inorganic insulating layer disposed on the metal blocking film; a transistor disposed on the inorganic insulating layer; an emission layer connected to the transistor; and a light blocking layer and a color filter disposed on the emission layer of the display area, wherein the edge of the light blocking layer is protruded toward the transmission area more than the edge of the metal blocking layer.Type: GrantFiled: August 23, 2021Date of Patent: April 9, 2024Assignee: Samsung Display Co., Ltd.Inventors: Se Wan Son, Nak Cho Choi, Moo Soon Ko, Dong Hyun Son, Sang Hoon Oh, Jin Goo Jung, Kyung Hyun Choi, Hae-Yeon Lee, Seong Min Cho
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Publication number: 20240057437Abstract: A display device includes: a substrate including a display area at a front surface and a non-display area at a periphery of the display area, wherein the non-display area includes a bending area having at least a portion bent toward a rear surface; a first metal layer on the substrate, the first metal layer overlapping with a contact hole at an out side of the bending area in the non-display area; a first via layer as an organic layer, located over the first metal layer, the first via layer including the contact hole; a second metal layer on the first via layer, the second metal layer being electrically connected to the first metal layer in the contact hole; and an inorganic layer on the second metal layer, wherein at least a portion of one side end of the inorganic layer, which is in the non-display area, is at an outside of the bending area and an area on the contact hole.Type: ApplicationFiled: June 22, 2023Publication date: February 15, 2024Inventors: Hae Goo JUNG, Yeon Shil JUNG, Soo Kyung KIM, Yeon Ji BAE
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Patent number: 11499936Abstract: A sensor includes: a hole; a sensing area formed around the hole, wherein at least one sensor is in the sensing area; and a crack detector configured to output a first crack signal if a comparison value obtained by comparing a detected value from the at least one sensor with a reference value exceeds an error range.Type: GrantFiled: November 26, 2019Date of Patent: November 15, 2022Assignee: Samsung Display Co., Ltd.Inventors: Il Hun Jeong, Yeon Shil Jung, Hwan Woo Lee, Hae Goo Jung
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Patent number: 11282440Abstract: A display device includes: a display panel including a pixel electrically connected to each of a data line, a first power line, a second power line, and a third power line; a power supply to provide a first power voltage to the first power line, and a second power voltage to the second power line; and a driver to provide a data voltage to the data line, and a third power voltage to the third power line. The driver is to determine whether a sensing voltage measured at the second power line is out of a reference range, and to limit the supply of the third power voltage when the sensing voltage is out of the reference range.Type: GrantFiled: August 31, 2020Date of Patent: March 22, 2022Assignee: Samsung Display Co., Ltd.Inventors: Il Hun Jeong, Hai Jung In, Yeon Shil Jung, Hae Goo Jung
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Publication number: 20210264847Abstract: A display device includes: a display panel including a pixel electrically connected to each of a data line, a first power line, a second power line, and a third power line; a power supply to provide a first power voltage to the first power line, and a second power voltage to the second power line; and a driver to provide a data voltage to the data line, and a third power voltage to the third power line. The driver is to determine whether a sensing voltage measured at the second power line is out of a reference range, and to limit the supply of the third power voltage when the sensing voltage is out of the reference range.Type: ApplicationFiled: August 31, 2020Publication date: August 26, 2021Inventors: Il Hun JEONG, Hai Jung IN, Yeon Shil JUNG, Hae Goo JUNG
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Publication number: 20200278312Abstract: A sensor includes: a hole; a sensing area formed around the hole, wherein at least one sensor is in the sensing area; and a crack detector configured to output a first crack signal if a comparison value obtained by comparing a detected value from the at least one sensor with a reference value exceeds an error range.Type: ApplicationFiled: November 26, 2019Publication date: September 3, 2020Inventors: Il Hun JEONG, Yeon Shil JUNG, Hwan Woo LEE, Hae Goo JUNG
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Patent number: 10373542Abstract: In order to display an image in a display device, in which a plurality of sub pixels within a unit pixel receives driving power from one driving power line, a driving voltage stability weak pattern is detected by analyzing image data. When the input image is determined as the driving voltage stability weak pattern, a white balance correction gain of each sub pixel is decreased while a ratio among the white balance correction gains of the sub pixels is maintained. Target luminance for displaying the input image is changed. A voltage level of the driving power is change in accordance with the changed target luminance.Type: GrantFiled: December 8, 2016Date of Patent: August 6, 2019Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hae Goo Jung, Jae Woo Song, Jae Hoon Lee
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Patent number: 10339864Abstract: A method of digital-driving an organic light emitting display device includes analyzing a light emission pattern of the input image data and converting a third grayscale of the input image data into a first converted grayscale and a second converted grayscale based on an analysis result of the light emission pattern of the input image data.Type: GrantFiled: January 23, 2016Date of Patent: July 2, 2019Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jae-Woo Song, Hae-Goo Jung, Seung-Ho Park, Jae-Hoon Lee, Mi-Young Joo
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Patent number: 10083655Abstract: A pixel includes: a first transistor connected between a data line and a first node; a second transistor connected between a first power source and a second node, the second transistor including a gate electrode connected to the first node; a third transistor connected between the first node and a third power source; a fourth transistor connected between the second node and an fourth power source; a capacitor connected between the first node and the second node; and an organic light-emitting diode (OLED) connected between the second node and a second power source.Type: GrantFiled: June 16, 2016Date of Patent: September 25, 2018Assignee: Samsung Display Co., Ltd.Inventors: Jae Hoon Lee, Young In Hwang, Ji Hye Kong, Jin Woo Kim, Do Hyung Ryu, Yong Sung Park, Jae Woo Song, Byung Hyuk Shin, Hae Goo Jung
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Patent number: 10062328Abstract: An organic light emitting display device includes: pixels including driving transistors positioned in regions divided by scan lines and data lines; a data accumulating unit arranged to accumulate first data; a first storage unit storing current and voltage change information corresponding to a degradation of an organic light emitting diode (OLED); a second storage unit storing a compensation value corresponding at least partially to channel length modulation of the driving transistors; and a timing controller programmed to carry out an altering of first data corresponding to an ith pixel so as to generate second data to be supplied to the ith pixel, the altering carried out according to: accumulation stress information for the ith pixel, the accumulation stress information corresponding to the accumulated first data and being stored in the data accumulating unit, the current and voltage change information, and a compensation value corresponding to the ith pixel.Type: GrantFiled: July 28, 2016Date of Patent: August 28, 2018Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jae Hoon Lee, Jin Woo Kim, Do Hyung Ryu, Jae Woo Song, Hae Goo Jung
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Patent number: 10019936Abstract: There is provided an organic light emitting display that includes a plurality of pixels are arranged in a plurality of rows and columns Each of the pixels includes a plurality of sub pixels. At least one sub pixel of the plurality of sub pixels of at least one pixel is divided into a plurality of divisional sub pixels. Since the divisional sub pixels alternately emit light, it is possible to reduce deterioration speed of the sub pixels, thereby preventing an afterimage from being generated by deterioration of the sub pixels.Type: GrantFiled: June 13, 2013Date of Patent: July 10, 2018Assignee: Samsung Display Co., Ltd.Inventors: Hae-Goo Jung, Do-Hyung Ryu
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Patent number: 10019939Abstract: An organic light emitting display device includes a display panel having pixels and a display panel driver driving the display panel. Each of the pixels includes an organic light emitting diode, and the display panel driver selects one of the pixels, determines a reference grayscale value, compares a grayscale value, and determines the selected pixel as a low grayscale pixel when the grayscale value is lower than the reference grayscale value and higher than a black grayscale value. Some of the low grayscale pixels display the black grayscale value when there are more than one neighboring low grayscale pixels. The reference grayscale value is determined based on a reference grayscale variable, and the reference grayscale variable includes at least one of a temperature of the display panel, a time period when the selected pixel emits light, and a wavelength of light emitted by the selected pixel.Type: GrantFiled: April 27, 2016Date of Patent: July 10, 2018Assignee: Samsung Display Co., Ltd.Inventors: Jae Hoon Lee, Seung Ho Park, Do Hyung Ryu, Jae Woo Song, Hae Goo Jung
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Patent number: 9881558Abstract: A display device includes a display panel including a plurality of pixels, a control unit configured to scale image data provided from the outside based on an image load factor and to output the scaled image data, and a data driver configured to supply data signals corresponding to the scaled image data to a plurality of data lines connected to the pixels, wherein the control unit includes a load factor calculating unit configured to calculate a load factor of the image data; and a data scaler configured to scale a gray level of the image data based on a scaling ratio corresponding to a load factor.Type: GrantFiled: November 14, 2014Date of Patent: January 30, 2018Assignee: Samsung Display Co., Ltd.Inventors: Jae-Hoon Lee, Baek-Woon Lee, Jung-Taek Kim, Jae-Woo Song, Hae-Goo Jung
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Patent number: 9837018Abstract: A display panel includes input power supply line coupled to a power supply at one or more edge portions of the display panel, and an output power supply line coupled to the input power supply line at a predetermined portion of the display panel. The input power supply line receives the power supply voltage, and the output power supply line receives the power supply voltage from the input power supply line. The power supply is coupled to the output power supply line at the one or more edge portions of the display panel, and receives the power supply voltage from the output power supply line to adjust a voltage level of the power supply voltage based on the power supply voltage from the output power supply line. The predetermined portion is at a location different from an edge of the display panel.Type: GrantFiled: April 7, 2015Date of Patent: December 5, 2017Assignee: Samsung Display Co., Ltd.Inventors: Jae-Hoon Lee, Jong-Man Bae, Byeong-Doo Kang, Jin-Woo Kim, Do-Hyung Ryu, Jae-Woo Song, Byung-Hyuk Shin, Baek-Woon Lee, Hae-Goo Jung
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Patent number: 9805644Abstract: A flat panel display device includes: a first display unit, a second display unit, and a third display unit. The first display unit comprises a (1-1)-th surface facing a (1-2)-th surface, and is configured to display an image on the (1-1)-th surface and enable external light to transmit from the (1-2)-th surface to the (1-1)-th surface. The second display unit comprises a (2-1)-th surface facing a (2-2)-th surface, and is configured to display an image on the (2-1)-th surface and enable external light to transmit from the (2-2)-th surface to the (2-1)-th surface. The third display unit comprises a (3-1)-th surface facing a (3-2)-th surface, and is configured to display an image on the (3-1)-th surface. The third display unit is disposed between the first display unit and the second display unit.Type: GrantFiled: July 13, 2016Date of Patent: October 31, 2017Assignee: Samsung Display Co., Ltd.Inventors: Do-Hyung Ryu, Hae-Goo Jung, Tae-Seok Jang
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Patent number: 9786226Abstract: A display panel module, organic light-emitting diode (OLED) display and method of driving the same are disclosed. In one aspect, the module includes a display panel divided into a first portion and a second portion and a plurality of scan and data lines divided into groups arranged in the first and second potions. The module further includes a first scan driver configured to sequentially apply scan signals to each of the first and second scan line groups. The first scan driver is further configured to substantially simultaneously apply the scan signals to corresponding scan lines of the first and second scan line groups. The module also includes a first data driver configured to output first data voltages to the first data line group and a second data driver configured to output second data voltages to the second data line group with the same timing as the first data driver.Type: GrantFiled: December 17, 2014Date of Patent: October 10, 2017Assignee: Samsung Display Co., Ltd.Inventors: Jae-Hoon Lee, Do-Hyung Ryu, Jae-Woo Song, Hae-Goo Jung
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Patent number: 9729866Abstract: A method of displaying a stereoscopic image and a display device are disclosed. In one aspect, the method includes sequentially writing black data to a portion of the pixel rows during a portion of a first frame period and sequentially writing left eye image data to the pixel rows during the remaining portion of the first frame period and during a second frame period. The method also includes driving the pixel rows to simultaneously emit light during a first emission period, sequentially writing the black data to the portion of the pixel rows during a portion of a third frame period, and sequentially writing right eye image data to the pixel rows during the remaining portion of the third frame period and during a fourth frame period. The method further includes driving the pixel rows to simultaneously emit light during a second emission period corresponding to the fourth frame period.Type: GrantFiled: December 17, 2014Date of Patent: August 8, 2017Assignee: Samsung Display Co., Ltd.Inventors: Jae-Hoon Lee, Woo-Chul Kim, Do-Hyung Ryu, Jae-Woo Song, Hae-Goo Jung
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Publication number: 20170169750Abstract: In order to display an image in a display device, in which a plurality of sub pixels within a unit pixel receives driving power from one driving power line, a driving voltage stability weak pattern is detected by analyzing image data. When the input image is determined as the driving voltage stability weak pattern, a white balance correction gain of each sub pixel is decreased while a ratio among the white balance correction gains of the sub pixels is maintained. Target luminance for displaying the input image is changed. A voltage level of the driving power is change in accordance with the changed target luminance.Type: ApplicationFiled: December 8, 2016Publication date: June 15, 2017Inventors: Hae Goo JUNG, Jae Woo SONG, Jae Hoon LEE
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Patent number: 9666116Abstract: An image display device includes a plurality of pixels, a pixel detection unit configured to detect first pixels having same R, G, and B gray scale values for a predetermined time among the plurality of pixels, a gray scale value calculation unit configured to calculate average gray scale values of the first pixels and average gray scale values of corresponding R, G and B of second pixels in a predetermined area around the first pixels, a data correction unit configured to correct the R, G and B gray scale values of the first pixels, using the calculated average gray scale values of the first and second pixels, and a data driver configured to correct the image data with the corrected R, G and B gray scale values of the first pixels, and to supply the corrected image data to each pixel of the plurality of pixels.Type: GrantFiled: August 28, 2014Date of Patent: May 30, 2017Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hae-Goo Jung, Do-Hyung Ryu
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Patent number: 9661317Abstract: A method of displaying a stereoscopic image and a display device are disclosed. In one aspect, the method includes first providing a first portion of left eye image data to a plurality of pixel rows during a first non-emission period of a first frame period, wherein the first frame period includes a first emission period having a first emission transition period and a first compensation period. The method also includes second providing a second portion of the left eye image data to the pixel rows during the first emission transition period while sequentially providing the left eye image data to the pixel rows during the first emission period. The method further includes third providing the second portion of the left eye image data to the pixel rows during the first compensation period and driving the pixel rows to concurrently emit light during the first emission period.Type: GrantFiled: September 29, 2015Date of Patent: May 23, 2017Assignee: Samsung Display Co., Ltd.Inventors: Jae-Hoon Lee, Jung-Taek Kim, Woo-Chul Kim, Seung-Ho Park, Jae-Woo Song, Hae-Goo Jung