Patents by Inventor Mu-kyung Jeon
Mu-kyung Jeon 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: 20220005907Abstract: A display device includes a substrate, first and second transistors on the substrate, a first electrode connected to one of the first and second transistors, a second electrode facing the first electrode, and a light emission member between the first and second electrodes, where the first transistor includes a first channel including a polycrystalline semiconductor member on the substrate, a first source electrode and a first drain electrode at respective opposite sides of the first channel, a first gate electrode overlapping the first channel, and a first insulating layer covering the first gate electrode, the second transistor includes a second gate electrode on the first insulating layer, a second channel including an oxide semiconductor member on the second gate electrode, second source and drain electrodes on the second channel, and an external light blocking member on the second source and drain electrodes and overlapping the second channel.Type: ApplicationFiled: September 20, 2021Publication date: January 6, 2022Inventors: Ji-Sun KIM, Jang Mi KANG, Sun Hwa LEE, Mu Kyung JEON
-
Patent number: 11182584Abstract: A fingerprint sensor and a display device include a substrate. A circuit element layer is disposed on a first surface of the substrate and includes a semiconductor layer, conductive layers and at least one opening portion. A light emitting element layer is disposed on the circuit element layer and includes at least one light emitting element. A sensor layer is disposed on a second surface of the substrate and includes at least one light sensor corresponding to the opening portion. The opening portion is defined by non-overlapping of the semiconductor layer and the conductive layers, the opening portion has a closed loop shape in plan view, and at least a portion of the closed loop shape includes a curve, or an internal angle of the at least a portion of the closed loop shape is an obtuse angle.Type: GrantFiled: August 18, 2020Date of Patent: November 23, 2021Assignee: Samsung Display Co., Ltd.Inventors: Sun Hwa Lee, Ki June Lee, Mu Kyung Jeon
-
Patent number: 11158698Abstract: An organic light-emitting diode display is disclosed. In one aspect, the display includes a plurality of pixels formed in a plurality of intersection areas of a plurality of data lines and a plurality of scan lines. Each of the pixels includes a storage capacitor configured to store a data voltage, at least one target transistor having one end electrically connected to a current path of the storage capacitor, an organic light emitting layer, and a first electrode of an OLED formed over the organic light emitting layer. The first electrode includes a first electrode extension configured to block at least a portion of the target transistor from light.Type: GrantFiled: March 25, 2020Date of Patent: October 26, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hee Rim Song, Mu Kyung Jeon, Chong Chul Chai
-
Patent number: 11127805Abstract: A display device includes a substrate, first and second transistors on the substrate, a first electrode connected to one of the first and second transistors, a second electrode facing the first electrode, and a light emission member between the first and second electrodes, where the first transistor includes a first channel including a polycrystalline semiconductor member on the substrate, a first source electrode and a first drain electrode at respective opposite sides of the first channel, a first gate electrode overlapping the first channel, and a first insulating layer covering the first gate electrode, the second transistor includes a second gate electrode on the first insulating layer, a second channel including an oxide semiconductor member on the second gate electrode, second source and drain electrodes on the second channel, and an external light blocking member on the second source and drain electrodes and overlapping the second channel.Type: GrantFiled: May 31, 2018Date of Patent: September 21, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Ji-Sun Kim, Jang Mi Kang, Sun Hwa Lee, Mu Kyung Jeon
-
Publication number: 20210249495Abstract: Embodiments of the present disclosure provide a display device comprising: a substrate; a thin film transistor layer on a first surface of the substrate and including a first hole; a light emitting element layer on the thin film transistor layer and including a light emitting element; a first light blocking layer between the substrate and the thin film transistor layer and including a second hole overlapping the first hole in a thickness direction of the substrate; and a second light blocking layer between the thin film transistor layer and the light emitting element layer and including a third hole overlapping the first hole and the second hole in the thickness direction of the substrate.Type: ApplicationFiled: August 26, 2020Publication date: August 12, 2021Inventors: Sun Hwa LEE, Mu Kyung JEON, Il Nam KIM, Ji Hun RYU, Ki Hyun PYO
-
Publication number: 20210118377Abstract: A display device including a light-emitting diode, a first transistor configured to supply a driving current to the light-emitting diode, a second transistor configured to transmit a data signal to the first transistor, a third transistor configured to transmit the data signal compensated with a threshold voltage to a gate electrode of the first transistor, a first scan line connected to a gate electrode of the second transistor, a second scan line connected to a gate electrode of the third transistor and insulated from the first scan line, and a conductive pattern connected to the gate electrode of the first transistor and insulated from the first scan line and the second scan line. The conductive pattern overlaps the first scan line and the second scan line, and the conductive pattern includes a stem part extending in one direction and a branch part branching from the stem part and overlapping the first scan line.Type: ApplicationFiled: December 28, 2020Publication date: April 22, 2021Inventors: Jang Mi KANG, Ji Sun Kim, Mu Kyung Jeon
-
Publication number: 20210097252Abstract: A fingerprint sensor and a display device include a substrate. A circuit element layer is disposed on a first surface of the substrate and includes a semiconductor layer, conductive layers and at least one opening portion. A light emitting element layer is disposed on the circuit element layer and includes at least one light emitting element. A sensor layer is disposed on a second surface of the substrate and includes at least one light sensor corresponding to the opening portion. The opening portion is defined by non-overlapping of the semiconductor layer and the conductive layers, the opening portion has a closed loop shape in plan view, and at least a portion of the closed loop shape includes a curve, or an internal angle of the at least a portion of the closed loop shape is an obtuse angle.Type: ApplicationFiled: August 18, 2020Publication date: April 1, 2021Inventors: Sun Hwa Lee, Ki June Lee, Mu Kyung Jeon
-
Patent number: 10943930Abstract: A display device including a substrate having a first region, a second region, and a bending region disposed between the first region and the second region; and a plurality of bending connection lines disposed on the substrate in the bending region and extended in a first direction. Each of the bending connection lines includes a protrusion in a second direction and a recess depressed from the protrusion, and the protrusion of each of the bending connection lines faces the recess of the bending connection lines next thereto.Type: GrantFiled: June 27, 2019Date of Patent: March 9, 2021Assignee: Samsung Display Co., Ltd.Inventors: Gyung Soon Park, Hee Rim Song, Mu Kyung Jeon
-
Patent number: 10892307Abstract: A display device includes a display pixel and a sensor pixel. The display pixel includes a light-emitting element including a first pixel electrode. The display pixel further includes a pixel circuit electrically coupled to the light-emitting element. The sensor pixel includes a sensor electrode overlapping the first pixel electrode. The sensor pixel further includes a sensor circuit electrically coupled to the sensor electrode. The first pixel electrode includes a first opening in a region overlapping the sensor electrode.Type: GrantFiled: January 23, 2020Date of Patent: January 12, 2021Assignee: Samsung Display Co., Ltd.Inventors: Sun Hwa Lee, Mu Kyung Jeon, Il Gon Kim
-
Patent number: 10878759Abstract: A display device including a light-emitting diode, a first transistor configured to supply a driving current to the light-emitting diode, a second transistor configured to transmit a data signal to the first transistor, a third transistor configured to transmit the data signal compensated with a threshold voltage to a gate electrode of the first transistor, a first scan line connected to a gate electrode of the second transistor, a second scan line connected to a gate electrode of the third transistor and insulated from the first scan line, and a conductive pattern connected to the gate electrode of the first transistor and insulated from the first scan line and the second scan line. The conductive pattern overlaps the first scan line and the second scan line, and the conductive pattern includes a stem part extending in one direction and a branch part branching from the stem part and overlapping the first scan line.Type: GrantFiled: September 13, 2018Date of Patent: December 29, 2020Assignee: Samsung Display Co., Ltd.Inventors: Jang Mi Kang, Ji Sun Kim, Mu Kyung Jeon
-
Patent number: 10846499Abstract: A fingerprint sensor includes: sensor pixels, each including a first transistor which controls a sensing signal to be outputted to a corresponding one of output lines; power lines disposed on a vertical line basis and each electrically connected to sensor pixels disposed on a corresponding vertical line; and a power supply unit which supplies reference voltages to the power lines. The power supply unit supplies the reference voltages, which is adjusted on the vertical line basis, to the power lines.Type: GrantFiled: June 5, 2018Date of Patent: November 24, 2020Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sun Hwa Lee, Mu Kyung Jeon, Mee Hye Jung
-
Publication number: 20200342791Abstract: A display device may include a first pixel, a second pixel, a first data line electrically connected to the first pixel, a second data line electrically connected to the second pixel and electrically insulated from the first data line, a first signal wire electrically connected to the first data line, a second signal wire electrically connected to the second data line, and a connecting wire electrically connecting the second data line to the second signal wire. The connecting wire may include a first section and a second section. The second section may be directly connected to the first section, may overlap the first pixel, may overlap the first data line, and may be oblique relative to each of the first data line and the second data line in a plan view of the display device.Type: ApplicationFiled: July 13, 2020Publication date: October 29, 2020Inventors: Hee Rim SONG, Gyung Soon PARK, Mu Kyung JEON
-
Patent number: 10803802Abstract: A display device includes a plurality of pixels arranged in a first direction; a first data line extending along a first edge of the pixel row; a second data line extending along a second edge of the pixel row; a first pixel connected to the first data line; and a second pixel adjacent to the first pixel and connected to the second data line. Each of the first and second pixels includes a light emitting diode, a first transistor to transmit a driving current to the light emitting diode, a second transistor to transmit a data signal to the first transistor, a third transistor to transmit the data signal having a compensated threshold voltage to the first transistor, and a fourth transistor to transmit an initialization voltage signal to the first transistor. The first and second transistors are PMOS transistors. The third and fourth transistors are NMOS transistors.Type: GrantFiled: May 10, 2019Date of Patent: October 13, 2020Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hee Rim Song, Mu Kyung Jeon, Mee Hye Jung
-
Patent number: 10755608Abstract: A display device may include a first pixel, a second pixel, a first data line electrically connected to the first pixel, a second data line electrically connected to the second pixel and electrically insulated from the first data line, a first signal wire electrically connected to the first data line, a second signal wire electrically connected to the second data line, and a connecting wire electrically connecting the second data line to the second signal wire. The connecting wire may include a first section and a second section. The second section may be directly connected to the first section, may overlap the first pixel, may overlap the first data line, and may be oblique relative to each of the first data line and the second data line in a plan view of the display device.Type: GrantFiled: July 15, 2019Date of Patent: August 25, 2020Assignee: Samsung Display Co., Ltd.Inventors: Hee Rim Song, Gyung Soon Park, Mu Kyung Jeon
-
Publication number: 20200227502Abstract: An organic light-emitting diode display is disclosed. In one aspect, the display includes a plurality of pixels formed in a plurality of intersection areas of a plurality of data lines and a plurality of scan lines. Each of the pixels includes a storage capacitor configured to store a data voltage, at least one target transistor having one end electrically connected to a current path of the storage capacitor, an organic light emitting layer, and a first electrode of an OLED formed over the organic light emitting layer. The first electrode includes a first electrode extension configured to block at least a portion of the target transistor from light.Type: ApplicationFiled: March 25, 2020Publication date: July 16, 2020Inventors: Hee Rim Song, Mu Kyung Jeon, Chong Chul Chai
-
Publication number: 20200161388Abstract: A display device includes a display pixel and a sensor pixel. The display pixel includes a light-emitting element including a first pixel electrode. The display pixel further includes a pixel circuit electrically coupled to the light-emitting element. The sensor pixel includes a sensor electrode overlapping the first pixel electrode. The sensor pixel further includes a sensor circuit electrically coupled to the sensor electrode. The first pixel electrode includes a first opening in a region overlapping the sensor electrode.Type: ApplicationFiled: January 23, 2020Publication date: May 21, 2020Inventors: Sun Hwa LEE, Mu Kyung JEON, II Gon KIM
-
Patent number: 10615240Abstract: An organic light-emitting diode display is disclosed. In one aspect, the display includes a plurality of pixels formed in a plurality of intersection areas of a plurality of data lines and a plurality of scan lines. Each of the pixels includes a storage capacitor configured to store a data voltage, at least one target transistor having one end electrically connected to a current path of the storage capacitor, an organic light emitting layer, and a first electrode of an OLED formed over the organic light emitting layer. The first electrode includes a first electrode extension configured to block at least a portion of the target transistor from light.Type: GrantFiled: October 30, 2015Date of Patent: April 7, 2020Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hee Rim Song, Mu Kyung Jeon, Chong Chul Chai
-
Publication number: 20200090559Abstract: A display device may include a first pixel, a second pixel, a first data line electrically connected to the first pixel, a second data line electrically connected to the second pixel and electrically insulated from the first data line, a first signal wire electrically connected to the first data line, a second signal wire electrically connected to the second data line, and a connecting wire electrically connecting the second data line to the second signal wire. The connecting wire may include a first section and a second section. The second section may be directly connected to the first section, may overlap the first pixel, may overlap the first data line, and may be oblique relative to each of the first data line and the second data line in a plan view of the display device.Type: ApplicationFiled: July 15, 2019Publication date: March 19, 2020Inventors: Hee Rim SONG, Gyung Soon PARK, Mu Kyung JEON
-
Patent number: 10546902Abstract: A display device includes a display pixel and a sensor pixel. The display pixel includes a light-emitting element including a first pixel electrode. The display pixel further includes a pixel circuit electrically coupled to the light-emitting element. The sensor pixel includes a sensor electrode overlapping the first pixel electrode. The sensor pixel further includes a sensor circuit electrically coupled to the sensor electrode. The first pixel electrode includes a first opening in a region overlapping the sensor electrode.Type: GrantFiled: November 6, 2017Date of Patent: January 28, 2020Assignee: Samsung Display Co., Ltd.Inventors: Sun Hwa Lee, Mu Kyung Jeon, Il Gon Kim
-
Publication number: 20200006397Abstract: A display device including a substrate having a first region, a second region, and a bending region disposed between the first region and the second region; and a plurality of bending connection lines disposed on the substrate in the bending region and extended in a first direction. Each of the bending connection lines includes a protrusion in a second direction and a recess depressed from the protrusion, and the protrusion of each of the bending connection lines faces the recess of the bending connection lines next thereto.Type: ApplicationFiled: June 27, 2019Publication date: January 2, 2020Inventors: Gyung Soon PARK, Hee Rim Song, Mu Kyung Jeon