Patents Assigned to LG Display Co., Ltd.
  • Publication number: 20240138181
    Abstract: A display apparatus can include a substrate including a hole area, an insulating layer disposed over the substrate, a transistor including a gate electrode, a source electrode and a drain electrode over the insulating layer, a planarization layer over the transistor, an anode electrode on the planarization layer, an organic light emitting layer on the anode electrode, and a cathode electrode on the organic light emitting layer. Also, he display apparatus can further include a bank-spacer layer over the anode electrode and partitioning the organic light emitting layer, a plurality of signal lines, a dam disposed between the hole area and the plurality of signal lines, and a structure disposed between the dam and the hole area. Also, the bank-spacer layer is configured by a half-tone exposure process and the structure disconnects some of the cathode electrode and the organic light emitting layer.
    Type: Application
    Filed: December 18, 2023
    Publication date: April 25, 2024
    Applicant: LG Display Co., Ltd.
    Inventors: Daegyu JO, SungGyu KIM
  • Publication number: 20240138219
    Abstract: The present disclosure provides a display device including: a first optical area included in a display area in which one or more images can be displayed and allowing light to be transmitted; a normal area included in the display area and located outside of the first optical area; a first optical bezel area included in the display area and located between the first optical area and the normal area; a first anode electrode of a first light emitting element disposed in the first optical area; a first pixel circuit disposed in the first optical bezel area; a first anode extension line electrically interconnecting the first anode electrode and the first pixel circuit; and at least one first compensation line connected in parallel with at least a portion of the first anode extension line.
    Type: Application
    Filed: August 16, 2023
    Publication date: April 25, 2024
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Sungwoo JUN, Hyunguk Jang
  • Publication number: 20240138238
    Abstract: A display apparatus includes a support member, a display panel located above the support member, a fixing layer between the support member and the display panel, a cover member located above the display panel and including an active area and a non-active area adjacent the active area, and at least one light shielding layer disposed on a rear surface of the cover member and overlapping the non-active area. The support member includes a base part overlapping the display panel and at least one extension part extending from the base part and protruding from a side surface of the display panel. Further, the extension part covers the side surface of the display panel.
    Type: Application
    Filed: October 17, 2023
    Publication date: April 25, 2024
    Applicant: LG Display Co., Ltd.
    Inventor: Yongsang KIM
  • Publication number: 20240138239
    Abstract: A display device includes a substrate having one surface and an opposite surface opposite to the one surface; a micro-LED on the one surface of the substrate, the micro-LED including a light-emitting area; a reflective electrode at at least one side surface of the micro-LED; and an upper reflective layer facing and overlapping the light-emitting area of the micro-LED, wherein the upper reflective layer is configured to reflect light emitted from the light-emitting area of the micro-LED to be directed toward the second surface of the substrate.
    Type: Application
    Filed: September 21, 2023
    Publication date: April 25, 2024
    Applicant: LG Display Co., Ltd.
    Inventors: Heecheol KIM, Donghwi KIM, Dongyeon KIM, Gyusuk JUNG
  • Publication number: 20240136162
    Abstract: A substrate processing apparatus may be utilized, for example, for a horizontally fixed organic material deposition equipment for manufacturing large-area displays. A substrate processing apparatus may include a titanium cooling plate having an upper surface and a lower surface; an electrostatic chuck including a first dielectric layer provided on the lower surface, an electrode layer provided on the first dielectric layer, and a second dielectric layer provided on the first dielectric layer and the electrode layer, and chucking a glass substrate using an electrostatic force; and a yoke plate positioned on the upper surface and chucking a mask using a magnetic force. The titanium cooling plate may further includes a first channel provided from the upper surface, a second channel provided from the first channel, and a titanium cover plate coupled to the first channel. The titanium cooling plate may provide a cooling flow path using the second channel.
    Type: Application
    Filed: December 14, 2023
    Publication date: April 25, 2024
    Applicants: LG DISPLAY CO., LTD., ELECTRO STATIC TECHNOLOGY, INC.
    Inventors: Young Gon KIM, Jong Woo LIM, Nam Hui LEE, Min Choul HYUN, Dongwook KIM, Jewook KIM
  • Publication number: 20240137710
    Abstract: A display device includes a piezoelectric element vibrated according to input audio signals, a display panel configured to display an image, and an elastic member configured to connect a portion of the piezoelectric element and the display panel to transmit a vibration of the piezoelectric element to the display panel to improve sound quality in a display device which emits a sound from a display panel.
    Type: Application
    Filed: December 29, 2023
    Publication date: April 25, 2024
    Applicant: LG DISPLAY CO., LTD.
    Inventor: Jae-Hun YE
  • Publication number: 20240136362
    Abstract: A thin film transistor can include an active layer; a gate electrode at least partially overlapping with the active layer; and a source electrode and a drain electrode spaced apart from each other and connected to the active layer, respectively. Also, the active layer includes a channel overlapping with the gate electrode; a first connection portion connected to a first side of the channel portion; and a second connection portion connected to a second side of the channel portion. Also, the channel has a crystalline structure, the first connection portion includes a first amorphous portion contacting the channel, and the second connection portion includes a second amorphous portion contacting the channel.
    Type: Application
    Filed: October 9, 2023
    Publication date: April 25, 2024
    Applicant: LG Display Co., Ltd.
    Inventors: JeeHo PARK, Sohyung LEE, Hyunki KIM
  • Publication number: 20240136363
    Abstract: A pixel can include a light emitting diode; a driving transistor including a gate electrode connected to a first node between a high potential voltage line and a second node, the driving transistor being configured to drive the light emitting diode; a storage capacitor connected between the first node and a third node; a first transistor connected between the third node and a data line, the first transistor including a gate electrode connected to a scan signal line; a second transistor connected between the first node and the second node, and including a gate electrode connected to the scan signal line; a third transistor connected between the third node and a fourth node, the third transistor including a gate electrode connected to an emission signal line. Also, the pixel can include a voltage divider configured to internally generate a reference voltage and output the reference voltage to the fourth node.
    Type: Application
    Filed: September 8, 2023
    Publication date: April 25, 2024
    Applicant: LG Display Co., Ltd.
    Inventors: MyungSub LIM, SungJoon MIN, HaeYoon JUNG, Sujin HAM, YuRa JEONG, Heewon KIM
  • Publication number: 20240134472
    Abstract: A display apparatus may include a display area and a non-display area with a cutting surface, a light emitting diode, an encapsulation structure in the display area and a part of the non-display area, a touch structure on the encapsulation structure and comprising first and second touch dielectric layers and first and second electrodes, a routing line formed of a same layer and same material as the second touch electrode, and a second touch pad disposed on a first touch pad and formed of a same layer and same material as the routing line and the second touch electrode. The first touch pad may be formed of a same layer and same material as the source or drain electrode of a transistor. The second touch pad may be connected to the first touch pad via an opening in the at least one of the first and second touch dielectric layers.
    Type: Application
    Filed: October 22, 2023
    Publication date: April 25, 2024
    Applicant: LG Display Co., Ltd.
    Inventors: TaeJoon AHN, BongKi CHOI
  • Publication number: 20240134240
    Abstract: A light path control device includes a substrate, a viewing angle control member including light-shielding patterns patterned on the substrate at regular intervals, and a lens assembly that is formed on the viewing angle control member and includes a plurality of lenses, wherein the light-shielding patterns include electrochromic elements to implement a light-shielding mode or a light-transmitting mode, and a display device including the light path control device.
    Type: Application
    Filed: July 13, 2023
    Publication date: April 25, 2024
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Semin LEE, Jaejung HAN, Daeyong KIM, Seungju GWON
  • Publication number: 20240134481
    Abstract: A display device and a driving method thereof may be capable of compensating for noise caused by image data with inverted image data to cancel a noise component. The device includes a display panel divided into a first area and a second area; a first source driving circuit and a second source driving circuit for providing a source signal to the first area and the second area, respectively; a gate driving circuit for providing a scan signal; a touch driving circuit for applying a touch driving signal and sensing a touch signal; and a timing controller. The timing controller controls corresponding circuits to display first image data on the first area during a first display time, and to provide a source signal corresponding to first inverted data obtained by inverting the first image data to the second area during the first display time.
    Type: Application
    Filed: June 25, 2023
    Publication date: April 25, 2024
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Daeseok OH, Yonghwa PARK, Daeho PARK
  • Publication number: 20240134482
    Abstract: A display apparatus can include a panel which includes a plurality of sub pixels and a plurality of touch electrodes, a first driving circuit which supplies a driving signal to the panel in a driving period and holds the driving signal in the stand-by period, and a second driving circuit which supplies a mutual sensing signal to the panel and supplies a self-sensing signal to the panel in the stand-by period.
    Type: Application
    Filed: October 17, 2023
    Publication date: April 25, 2024
    Applicant: LG Display Co., Ltd.
    Inventors: DongHoon LEE, TaeHoon KIM, Jinwook CHOI, Dongjoong CHA
  • Publication number: 20240135867
    Abstract: A display device can include a light emitting element and a pixel circuit including a driving transistor; a first capacitor connected between the driving transistor and a first node; a first transistor connected between the first capacitor and a data line to operate based on a first scan signal; a first light emission transistor connected between the first capacitor and a reference voltage line to operate based on a light emission signal; and a second light emission transistor connected between the driving transistor and a low-potential voltage line to operate based on the light emission signal. The first scan signal sequentially includes a dummy scan signal section and driving scan signal section for turning on the first transistor, and the light emission signal includes a coupling period for turning on the first and second light emission transistors between the dummy scan signal section and the driving scan signal section.
    Type: Application
    Filed: September 13, 2023
    Publication date: April 25, 2024
    Applicant: LG Display Co., Ltd.
    Inventors: Taehun KIM, WooKyu SANG, Moonsoo CHUNG
  • Patent number: 11967260
    Abstract: A display device is disclosed that includes a display panel on which one or more sub-pixels including a light emitting device and a driving transistor for driving the light emitting device are disposed in a display area, and whose shape is changed during a transforming period, a timing controller for receiving image data and a command signal defining the transforming period, and converting the image data to output converted image data, and a data driving circuit for receiving the converted image data and outputting a data voltage, wherein, in the transforming period, at least one sub-pixel emits light based on the image data input to the timing controller, and emits light with a luminance lower than a luminance corresponding to a grayscale of the image data. Accordingly, there may be provided a display device capable of changing a shape during an image display period.
    Type: Grant
    Filed: November 3, 2022
    Date of Patent: April 23, 2024
    Assignee: LG Display Co., Ltd.
    Inventors: Jinwon Kim, MooKyoung Hong
  • Patent number: 11968877
    Abstract: A transparent display device is provided, which may reduce loss of light transmittance due to a touch sensor and a touch line and may make sure of separating a touch sensor electrode of a touch sensor from a cathode electrode of a light emitting element. The transparent display device includes a substrate provided with a plurality of transmissive areas and a non-transmissive area including a plurality of light emission areas, a plurality of light emitting elements respectively disposed in the plurality of light emission areas on the substrate, including an anode electrode, a light emitting layer and a cathode electrode, a plurality of touch sensors respectively disposed in the plurality of transmissive areas on the substrate, including a touch sensor electrode, and a first undercut structure disposed along an edge of the transmissive area to separate the cathode electrode from the touch sensor electrode, including a plurality of eaves.
    Type: Grant
    Filed: November 17, 2022
    Date of Patent: April 23, 2024
    Assignee: LG Display Co., Ltd.
    Inventors: Jeonggi Yun, Taehwan Kim, Jonghan Park, Yong-Il Kim
  • Patent number: 11968898
    Abstract: An organic light emitting diode (OLED) includes a first emitting material layer disposed adjacently to a first electrode and a second emitting material layer disposed adjacently to a second electrode. The first emitting material layer includes a first compound having high affinity to holes and a second compound of thermally activated delayed fluorescent material, and the second emitting material layer includes a fourth compound having high affinity to electrons and implementing triplet-triplet annihilation. Two emitting material layers having adjusted energy levels allow the OLED to lower its driving voltages and improve its luminous efficiency and luminous lifetime.
    Type: Grant
    Filed: October 22, 2020
    Date of Patent: April 23, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Hye-Gun Ryu, Ik-Rang Choe, Jun-Yun Kim, Seong-Keun Kim, Ju-Young Lee
  • Patent number: 11966137
    Abstract: A display device can include a first substrate having an upper surface which is a display surface and a lower surface facing the upper surface; an active layer disposed on a lower surface of the first substrate and including a channel part, a first connection part connected to one side of the channel part, and a second connection part connected to the other side of the channel part; a gate electrode disposed under the active layer and overlapping with the channel part; a second substrate disposed under the above gate electrode; a liquid crystal layer disposed between the first substrate and the second substrate; and a backlight provided under the second substrate. Also, the gate electrode can be disposed between a lower surface of the channel part of the active layer and the backlight, in order to protect the channel part from light emitted from the backlight.
    Type: Grant
    Filed: March 28, 2023
    Date of Patent: April 23, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventor: Junghyun Lee
  • Patent number: 11966549
    Abstract: Disclosed is a touch sensitive display apparatus which decreases a load of each of a plurality of touch electrodes and reduces a load deviation between the plurality of touch electrodes, thereby enhancing image quality. The touch sensitive display apparatus comprises a touch sensitive panel. The touch panel comprises a plurality of touch electrodes comprising at least a first touch electrode. The first touch electrode comprises a plurality of first touch electrode lines that are parallel to each other. A first touch signal line is connected to the plurality of first touch electrode lines of the first touch electrode, and the first touch electrode is driven for image display and touch sensing via the first touch signal line. A first connecting line is in a different layer than the first touch electrode lines, and the first connecting line is connected to the plurality of first touch electrode lines.
    Type: Grant
    Filed: January 6, 2023
    Date of Patent: April 23, 2024
    Assignee: LG Display Co., Ltd.
    Inventors: Ju Han Kim, Yong Chan Park, Jin Seong Kim, Seung Kyeom Kim
  • Patent number: 11966143
    Abstract: The present disclosure relates to a light shutter panel and a transparent display apparatus having the same. The light shutter panel according to the present disclosure comprises: a lower electrode plate; an upper electrode plate facing with the lower electrode plate; a shutter layer disposed between the lower electrode plate and the upper electrode plate, and including a maximum light transmitting portion, a minimum light blocking portion, ink storage portions connecting the maximum light transmitting portion and the minimum light blocking portion, and an electric field guide disposed between the ink storage portions; a plurality of spacers maintaining a gap between the lower electrode plate and the upper electrode plate; and black ink filled into the ink storage portion of the shutter layer.
    Type: Grant
    Filed: April 21, 2021
    Date of Patent: April 23, 2024
    Assignee: LG Display Co., Ltd.
    Inventors: Youngki Song, SunMan Kim
  • Patent number: D1023989
    Type: Grant
    Filed: January 25, 2021
    Date of Patent: April 23, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventor: Inyoung Kim