Abstract: The present disclosure provides an organic light emitting diode including a first electrode; a second electrode facing the first electrode; and an emitting material layer including a first compound and a second compound positioned between the first and second electrodes, wherein the first compound includes a hexagonal-ring moiety including one boron atom, one oxygen atom and four carbon atoms, and the second compound includes a hexagonal-ring moiety including one boron atom, one nitrogen atom and four carbon atoms, and an organic light emitting device including the organic light emitting diode.
Type:
Grant
Filed:
November 20, 2020
Date of Patent:
March 26, 2024
Assignee:
LG DISPLAY CO., LTD.
Inventors:
Ik-Rang Choe, Hye-Gun Ryu, Jun-Yun Kim, Seong-Keun Kim, Ju-Young Lee
Abstract: Discussed are a light-emitting device and a light-emitting display device having improved efficiency and increased lifespan. A plurality of stacks is provided between an anode and a cathode for at least a subpixel to emit a predetermined color, and emissive layers in different stacks include the same color-based materials having different luminous properties.
Type:
Grant
Filed:
June 7, 2021
Date of Patent:
March 26, 2024
Assignee:
LG DISPLAY CO., LTD.
Inventors:
Jin Ho Park, Kyu Il Han, Chang Hwan Kwak, Dong Hyeok Lim, Hwa Yong Shin, Ji Hyung Lee
Abstract: A display device is provided that includes a substrate including an active area and a non-active area, a planarization film disposed over the substrate, an anode electrode disposed on the planarization film and including a first hole in the non-active area, a bank disposed on the anode electrode, a cathode electrode disposed on the bank, an encapsulation layer disposed on the cathode electrode, and a touch sensor disposed on the encapsulation layer and including a touch line in the non-active area. Here, the first hole may be disposed not to overlap with the touch line.
Abstract: A transportation head for a microchip transfer device capable of minimizing mechanical and chemical damage to a microchip, a microchip transfer device having same, and a transfer method thereby, and the transportation head includes a head body having a pickup area and a dummy area; a first protruding pin disposed in the pickup area of the head body; and a liquid droplet attached to the first protruding pin.
Abstract: The present disclosure relates to a display device, and more particularly, a display device comprises: a plurality of light sources; a resin layer disposed to cover the plurality of light sources; and a display panel disposed on the resin layer and including a display area and a non-display area, wherein the resin layer comprises: a first region configured to overlap the display area; and a second region configured to overlap the non-display area, and wherein a plurality of fine holes are provided in at least a part of the second region. Therefore, the decomposed materials, which are produced by the decomposition of the backlight unit and the components around the backlight unit in a high-temperature, high-humidity environment, may be discharged through the fine holes.
Type:
Grant
Filed:
September 15, 2022
Date of Patent:
March 26, 2024
Assignee:
LG Display Co., Ltd.
Inventors:
Da-Young Kim, Jaehyoung Park, Woojin Sim
Abstract: A display device includes a display unit and a roller configured to wind or unwind the display unit, and comprising a flat portion, a first curved portion extending from the flat portion, and a second curved portion extending from the first curved portion toward the flat portion, in which a radius of curvature of the first curved portion is larger than a radius of curvature of the second curved portion, and a radius of curvature of the display unit wound around the second curved portion is larger than the radius of curvature of the second curved portion, thus the second curved portion is formed to support the display unit so that the display unit is not curved with a small radius of curvature between the first curved portion and the flat portion.
Abstract: Embodiments of the present disclosure are related to a touch display device, as disposing a plurality of touch pads located on a plurality of lines alternatively and making a metal other than the touch pad not to expose to outside, the number of the touch pads being capable of disposing on a pad area can be increased and a reliability of the touch pad can be maintained. Furthermore, as disposing pad lines, electrically connected to the touch pad and located adjacently, on different layers, a short between adjacent pad lines can be prevented and a space between the touch pads can be reduced or minimized, a disposition structure of the touch pad can be implemented easily according to increasing the number of channels in a large size of the touch display device.
Abstract: A method of correcting input image data for a display device can include receiving input image data by a controller in the display device, a first portion of the input image data corresponding to a first region of a display panel in the display device and a second portion of the input image data corresponding to a second region of the display panel having a pixel density different than a pixel density of the first region; and correcting, by the controller, at least some of the input image data to generate corrected image data based on at least one white correction value or at least one monochromatic correction value.
Abstract: Disclosed are a white organic light emitting element, which may uniformize the color coordinates of white regardless of a change in current density by changing the configuration of different kinds of light emitting layers contacting each other, and a display device using the same.
Type:
Grant
Filed:
November 23, 2020
Date of Patent:
March 26, 2024
Assignee:
LG Display Co., Ltd.
Inventors:
Wook Song, Eun-Jung Park, Chun-Ki Kim, Se-Ung Kim
Abstract: A display device includes a substrate, a sub-pixel on the substrate and including an organic light emitting diode, an encapsulation layer on the organic light emitting diode, and a plurality of touch electrodes on the encapsulation layer, the plurality of touch electrodes including an open area. The sub-pixel may include first and second emission areas and a first non-emission area in the open area of the plurality of touch electrodes, the first non-emission area being configured to be in a black state or to have a lower brightness than the first and second emission areas. Each of the first non-emission area and at least one of the first and second emission areas may have a shape of an octagon, a circle, an ellipse, a polygon, a triangle, a square, or a hexagon in a plan view.
Type:
Application
Filed:
November 28, 2023
Publication date:
March 21, 2024
Applicant:
LG Display Co., Ltd.
Inventors:
TaeHwan KIM, DongHee YOO, JungSun BEAK, SunMi LEE, HyeonChul IM
Abstract: A vibration apparatus comprises a lower vibration structure, an upper vibration structure on the lower vibration structure, and an adhesive member between the lower vibration structure and the upper vibration structure. The lower vibration structure and the upper vibration structure are configured to generate sound waves having different frequencies.
Abstract: A sound generating apparatus for vehicles may include a sound generator including a sound generating member configured to vibrate a vehicle interior material of a vehicle. The sound generating member may include a plurality of vibration generator spaced apart from one another, a first protection member at a first surface of the plurality of vibration generators, and a second protection member at a second surface opposite to the first surface of the plurality of vibration generators.
Type:
Application
Filed:
November 30, 2023
Publication date:
March 21, 2024
Applicant:
LG Display Co., Ltd.
Inventors:
Sungtae LEE, KwanHo PARK, YeongRak CHOI, Sungsu HAM, Joongsup HAN
Abstract: An electroluminescent display device according to an exemplary aspect of the present disclosure includes a substrate including an active area and a non-active area outside the active area, a planarization layer over the substrate and extending from the active area to the non-active area, a bank on a planarization layer extending to the non-active area, an organic layer on the bank, a cathode on the organic layer, a capping layer over the cathode, a trench pattern configured in the non-active area, from which the capping layer, the cathode, and the organic layer are removed and a step alleviation layer filling the trench pattern and planarizing an upper portion of the trench pattern, the capping layer adjacent to the trench pattern may be recessed inwardly compared to the cathode, so that a bezel width is reduced, and the same time, reliability of moisture permeation prevention performance may be improved.
Abstract: A foldable display device includes a display panel having a first area, a second area, and a foldable area between the first area and the second area. The foldable display device further includes a first casing supporting the first area of the display panel, a second casing supporting the second area of the display panel, a slidable plate attached to the second area of the display panel and movably coupled to the second casing, and a hinge coupled to the first casing and the second casing.
Type:
Application
Filed:
November 15, 2023
Publication date:
March 21, 2024
Applicant:
LG Display Co., Ltd.
Inventors:
Seungo JEON, Hyeonggwang AN, Youngjoon YUN, Shinsuk LEE
Abstract: A display panel and a display device both include a first active layer disposed on a substrate and including a channel area, a first area positioned on a first side of the channel area, and a second area positioned on a second side of the channel area, a first conductor on the first area, a second conductor on the second area, and a first auxiliary electrode on the first conductor, wherein an area where the first auxiliary electrode is disposed includes a repair area, thereby facilitating to repair a subpixel while mitigating or minimizing instantaneous ghosting on panel.
Abstract: A display device can include a display panel, a roller which guides sliding of the display panel, a plurality of flexible films connected to one end of the display panel, and a mandrel which supports the display panel and the plurality of flexible films. Also, the display device further includes a printed circuit board connected to the plurality of flexible films, in which the printed circuit board is fixed to the mandrel by a fastening unit.
Type:
Application
Filed:
November 29, 2023
Publication date:
March 21, 2024
Applicant:
LG Display Co., Ltd.
Inventors:
SeungHee LEE, MiJin HAN, Hanul LEE, Hyosung LEE
Abstract: The present invention provides an organic compound represented by: an organic light emitting diode and an organic light emitting display device using the organic compound. The organic compound of the present invention is capable of reducing a driving voltage of an organic light emitting diode and improving an emitting efficiency and a lifetime of the organic light emitting diode and the organic light emitting display device including the organic compound.
Abstract: A display apparatus includes a display module including a display panel configured to display an image, a rear cover on a rear surface of the display module, and a sound generating module at the rear cover and configured to vibrate the display module to generate sound, and a rear surface of the sound generating module is covered by the rear cover.
Type:
Application
Filed:
December 1, 2023
Publication date:
March 21, 2024
Applicant:
LG Display Co., Ltd.
Inventors:
Sungtae LEE, Teh Hyeon KIM, YeongRak CHOI, Seungwan Ryu, KwanHo PARK