Patents by Inventor Jae-Hyung Jang
Jae-Hyung Jang 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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Publication number: 20220334699Abstract: A touch display device in which routing lines are formed to have the same resistance value. Routing lines connected to touch electrodes in a non-active area and display signal links electrically connected to a light-emitting element are formed in different shapes from each other, and the lengths of at least one of zigzag patterns of the routing lines disposed in the non-active area and single-line regions are formed differently.Type: ApplicationFiled: June 30, 2022Publication date: October 20, 2022Applicant: LG DISPLAY CO., LTD.Inventors: Jae-Hyung JANG, Min-Joo KIM, Jae-Won LEE
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Publication number: 20220329744Abstract: An image sensing device is provided to include a pixel array comprising a first pixel group and a second pixel group, each pixel configured to sense a distance to a target object in response to modulated light that is incident on the pixel array; a first modulation driver configured to supply, to the first pixel group, a first modulation control signal and a second modulation control signal; and a second modulation driver configured to supply, to the second pixel group, a third modulation control signal and a fourth modulation control signal, wherein the first and second modulation drivers are independently controlled from each other such that at least one of the first modulation control signal, the second modulation control signal, the third modulation control signal, or the fourth modulation control signal has a phase difference from the modulated light.Type: ApplicationFiled: March 24, 2022Publication date: October 13, 2022Inventor: Jae Hyung JANG
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Patent number: 11467691Abstract: A touch display device for preventing deterioration in image quality is structured such that a plurality of touch sensors is disposed on an encapsulation unit encapsulating a light-emitting element and includes a driving signal line, which includes a first driving signal line disposed below the encapsulation unit and a second driving signal line disposed above the encapsulation unit so as to be in contact with the first driving signal line to reduce line resistance of the driving signal line, thereby preventing deterioration in image quality.Type: GrantFiled: December 7, 2021Date of Patent: October 11, 2022Assignee: LG DISPLAY CO., LTD.Inventors: Jae-Won Lee, Min-Joo Kim, Sang-Hyuk Won, Jae-Hyung Jang
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Publication number: 20220300138Abstract: The present disclosure relates to a display device for improving productivity. The display device having a touch sensor is configured such that the total thickness of at least one inorganic insulation layer disposed on the region above each of dams is different from the total thickness of the at least one inorganic insulation layer disposed on a trench region between the dams. Thus, a photoresist for forming a routing line is formed so as to have a uniform thickness on the region above each of the dams and the trench region between the dams, and thus productivity is improved.Type: ApplicationFiled: June 9, 2022Publication date: September 22, 2022Inventors: Jae-Hyung JANG, Min-Joo KIM, Eun-Pyo HONG, Jae-Won LEE, Sang-Hoon PAK, Sang-Hyuk WON, Yeon-Woo SHIN, Ji-Hun LEE
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Patent number: 11417692Abstract: An image sensing device includes a plurality of image sensor pixels including a first image sensor pixel and a second image sensor pixel and a transmission driver. The transmission driver is coupled to first and second transfer gates to apply a first transmission signal to the first transfer gate to control the first transfer gate and a second transmission signal to the second transfer gate to control the second transfer gate. A first distance between the first image sensor pixel and the transmission driver is shorter than a second distance between the second image sensor pixel and the transmission driver, and the first and second transfer gates of the first image sensor pixel are different in structure from the first and second transfer gates of the second image sensor pixel, respectively.Type: GrantFiled: April 19, 2021Date of Patent: August 16, 2022Assignee: SK hynix Inc.Inventor: Jae Hyung Jang
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Patent number: 11411042Abstract: An image sensor includes a substrate including a photodiode and first and second floating diffusion nodes which are disposed to be spaced apart from left and right of the photodiode, respectively, by a predetermined distance; a first transfer gate disposed on the substrate to overlap at least partially with the photodiode and the first floating diffusion node; and a second transfer gate disposed on the substrate to overlap at least partially with the photodiode and the second floating diffusion node, wherein each of the first transfer gate and the second transfer gate includes a first gate dielectric layer which overlaps at least partially with the photodiode and a second gate dielectric layer which overlaps at least partially with the first or second floating diffusion node, and wherein a thickness of the first gate dielectric layer is larger than a thickness of the second gate dielectric layer.Type: GrantFiled: June 10, 2020Date of Patent: August 9, 2022Assignee: SK hynix Inc.Inventor: Jae Hyung Jang
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Patent number: 11409391Abstract: A touch display device in which routing lines are formed to have the same resistance value. Routing lines connected to touch electrodes in a non-active area and display signal links electrically connected to a light-emitting element are formed in different shapes from each other, and the lengths of at least one of zigzag patterns of the routing lines disposed in the non-active area and single-line regions are formed differently.Type: GrantFiled: December 4, 2020Date of Patent: August 9, 2022Assignee: LG DISPLAY CO., LTD.Inventors: Jae-Hyung Jang, Min-Joo Kim, Jae-Won Lee
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Publication number: 20220246650Abstract: An image sensing device includes a plurality of unit pixels, each of which includes a plurality of sub-pixels. Each of the unit pixels is structured to respond to incident light to produce photocharges indicative of detected incident light and includes sub-pixels. Each sub-pixel includes a control region configured to generate, within a substrate in which the sub-pixels are disposed, a current that carries the photocharges, a detection region spaced from the control region and configured to capture the photocharges carried by the current, a plurality of first isolation portions disposed between two adjacent sub-pixels, a second isolation portion disposed to surround the sub-pixels, and a voltage applying region disposed at a center portion of the unit pixel and configured to receive a first voltage.Type: ApplicationFiled: December 22, 2021Publication date: August 4, 2022Inventor: Jae Hyung JANG
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Patent number: 11392243Abstract: The present disclosure relates to a display device for improving productivity. The display device having a touch sensor is configured such that the total thickness of at least one inorganic insulation layer disposed on the region above each of dams is different from the total thickness of the at least one inorganic insulation layer disposed on a trench region between the dams. Thus, a photoresist for forming a routing line is formed so as to have a uniform thickness on the region above each of the dams and the trench region between the dams, and thus productivity is improved.Type: GrantFiled: June 11, 2021Date of Patent: July 19, 2022Assignee: LG Display Co., Ltd.Inventors: Jae-Hyung Jang, Min-Joo Kim, Eun-Pyo Hong, Jae-Won Lee, Sang-Hoon Pak, Sang-Hyuk Won, Yeon-Woo Shin, Ji-Hun Lee
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Publication number: 20220223639Abstract: An image sensing device includes a semiconductor substrate, a photoelectric conversion region structured to generate charge carriers from incident light and capture the charge carriers using an electric potential difference caused by a demodulation control signal applied to the photoelectric conversion region, and a circuit region disposed adjacent to the photoelectric conversion region, the circuit region including a plurality of pixel transistors that generate and output a pixel signal corresponding to the charge carriers captured by the photoelectric conversion region. The circuit region includes a first well region formed to have a first length in a first direction, and a second well region formed below the first well region such that a lower end of the first well region is in contact with an upper end of the second well region, and formed to have a second length shorter than the first length in the first direction.Type: ApplicationFiled: August 13, 2021Publication date: July 14, 2022Inventor: Jae Hyung JANG
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Publication number: 20220208815Abstract: An image sensing device may include: a substrate including a back side and a front side; imaging pixels configured to receive incident light from the back side and each structured to produce photocharge in response to the received incident light at each imaging pixel; a plurality of taps located at a depth from the front side of the substrate and configured to generate a current within the substrate and capture photocharge generated by the imaging pixels and migrated by the current, wherein the plurality of taps is distributed in the imaging pixels such that two or more of the plurality of taps are located within each imaging pixel; and a capping region formed in each imaging pixel to surround the two or more taps included in each imaging pixel, wherein a lower portion of the capping region is spaced apart from the back side by a predetermined distance.Type: ApplicationFiled: October 12, 2021Publication date: June 30, 2022Inventor: Jae Hyung JANG
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Publication number: 20220190048Abstract: A display device prevents cracks from spreading to an active area. The display device includes a substrate including an active area and a non-active area having a bending area, a thin-film transistor disposed in the active area, a light-emitting element disposed in the active area and connected to the thin-film transistor, an encapsulation layer disposed on the light-emitting element, a touch sensor disposed on the encapsulation layer, a touch pad disposed in the non-active area, a first routing line connecting the touch sensor to the touch pad via a second routing line in the bending area, and a crack prevention layer disposed on the second routing line in the bending area. Thus, the crack prevention layer is capable of preventing the occurrence of cracks in the bending area BA, thus preventing cracks from spreading to the active area AA.Type: ApplicationFiled: March 2, 2022Publication date: June 16, 2022Inventors: Sang-Hyuk WON, Min-Joo KIM, Jae-Won LEE, Sang-Hoon PAK, Byong-Hoo KIM, Ji-Hye LEE, Jae-Man JANG, Sung-Jin KIM, Jae-Hyung JANG
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Publication number: 20220190008Abstract: An image sensing device includes a plurality of unit pixels, wherein each of the unit pixels includes a photoelectric conversion region disposed in a substrate, and configured to generate photocharges in response to incident light, a control region disposed in the substrate and configured to receive a control signal and generate a current in the substrate based on the control signal to carry and move the photocharges generated in the photoelectric conversion region, a detection region disposed in the substrate and configured to receive the current and to capture the photocharges carried by the current and a guard ring region configured to surround the control region, and wherein the hole current flows between the control region and the guard ring region.Type: ApplicationFiled: November 11, 2021Publication date: June 16, 2022Inventors: Jae Hyung JANG, Jong Chae KIM, Hyung June YOON
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Patent number: 11363224Abstract: An image sensing device may include a first tap and a second tap configured to generate a hole current in a substrate, and capture photocharge which is generated by incident light and migrated by the hole current. The first and second taps may be disposed in vertex regions facing each other in a diagonal direction in one pixel, respectively.Type: GrantFiled: February 13, 2021Date of Patent: June 14, 2022Assignee: SK HYNIX INC.Inventors: Jae Hyung Jang, Jong Chae Kim, Hyung June Yoon, Hoon Moo Choi
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Patent number: 11335727Abstract: The image sensing device includes a pixel array including a plurality of unit pixels is arranged in rows and columns. Each of the plurality of unit pixels includes a photoelectric conversion element to generate charge carriers by converting light incident upon the photoelectric conversion element, a plurality of floating diffusion regions spaced apart from the photoelectric conversion element to hold the charge carriers, a plurality of circulation gates located at sides of the photoelectric conversion element in each of a first direction and a second direction perpendicular to the first direction, configured to create an electric field in different regions of the photoelectric conversion element based on circulation control signals, and configured to induce movement of the charge carriers, and a plurality of transfer gates located between the circulation gates, and configured to transfer the charge carriers generated by the photoelectric conversion element to a corresponding floating diffusion region.Type: GrantFiled: October 26, 2020Date of Patent: May 17, 2022Assignee: SK HYNIX INC.Inventors: Hyung June Yoon, Jae Hyung Jang, Hoon Moo Choi
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Patent number: 11314351Abstract: A touch display device for preventing damage to test patterns is configured such that a test cover layer, which is formed of the same material as at least one of a plurality of insulating films disposed between a light-emitting element and a touch electrode, is disposed on a test pattern formed on a peripheral portion of a substrate, thereby preventing damage to the test pattern during the process of manufacturing a touch sensor.Type: GrantFiled: December 3, 2020Date of Patent: April 26, 2022Assignee: LG DISPLAY CO., LTD.Inventors: Jae-Hyung Jang, Min-Joo Kim, Jae-Won Lee, Sang-Hoon Pak, Sang-Hyuk Won
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Patent number: 11296157Abstract: A display device prevents cracks from spreading to an active area. The display device includes a substrate including an active area and a non-active area having a bending area, a thin-film transistor disposed in the active area, a light-emitting element disposed in the active area and connected to the thin-film transistor, an encapsulation layer disposed on the light-emitting element, a touch sensor disposed on the encapsulation layer, a touch pad disposed in the non-active area, a first routing line connecting the touch sensor to the touch pad via a second routing line in the bending area, and a crack prevention layer disposed on the second routing line in the bending area. Thus, the crack prevention layer is capable of preventing the occurrence of cracks in the bending area BA, thus preventing cracks from spreading to the active area AA.Type: GrantFiled: December 4, 2020Date of Patent: April 5, 2022Assignee: LG Display Co., Ltd.Inventors: Sang-Hyuk Won, Min-Joo Kim, Jae-Won Lee, Sang-Hoon Pak, Byong-Hoo Kim, Ji-Hye Lee, Jae-Man Jang, Sung-Jin Kim, Jae-Hyung Jang
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Publication number: 20220102395Abstract: An image sensing device is provided to include a pixel array having a plurality of pixels arranged in a matrix shape. Each of the pixels includes: a control node configured to generate a hole current in a substrate; a detection node configured to capture photocharge migrated by the hole current, formed in a shape whose at least part is partially open, and disposed to surround the control node, and a low resistance region including a dielectric layer formed in the substrate, and disposed in the opening on of the detection node. The low resistance region includes an inner low resistance region disposed between the control node and the center of the pixel.Type: ApplicationFiled: August 31, 2021Publication date: March 31, 2022Inventors: Hyung June YOON, Jong Eun KIM, Jong Chae KIM, Jae Won LEE, Jae Hyung JANG, Hoon Moo CHOI
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Publication number: 20220091719Abstract: A touch display device for preventing deterioration in image quality is structured such that a plurality of touch sensors is disposed on an encapsulation unit encapsulating a light-emitting element and includes a driving signal line, which includes a first driving signal line disposed below the encapsulation unit and a second driving signal line disposed above the encapsulation unit so as to be in contact with the first driving signal line to reduce line resistance of the driving signal line, thereby preventing deterioration in image quality.Type: ApplicationFiled: December 7, 2021Publication date: March 24, 2022Applicant: LG DISPLAY CO., LTD.Inventors: Jae-Won LEE, Min-Joo KIM, Sang-Hyuk WON, Jae-Hyung JANG
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Publication number: 20220071393Abstract: A protector for installation on a floor includes: a guard part comprising a contact surface portion having first screw through-holes formed therethrough, a middle portion which is coupled upward from the edge of the contact surface portion to be primarily impacted, and wing portions integrally coupled to both sides of the middle portion, respectively; a base part having third screw through-holes formed therethrough so as to be fixed to a floor surface while being brought into contact with the floor surface; an intermediate body disposed between the guard part and the base part and having second screw through-holes formed therethrough; and stud bolts passing through the guard part, the intermediate body, and the base part so as to fix the base part to the floor surface, wherein when an external force is applied, the elastic and flexible intermediate body is compressed in a collision direction to effectively reduce the impact.Type: ApplicationFiled: January 14, 2019Publication date: March 10, 2022Inventor: Jae Hyung JANG