Samsung Display Co., Ltd.

Samsung Sdi Co., Inc.

Integrant Technologies Inc.

Yongseok Kim

Dongwon Kim

Sangwoo Kim

Haeil Park

Gyujeong Lee

Hyunsup Lee

Gyehwan Lim

YoungMin Kim

Bonkee Kim

Jaewon Kim

Kangyoung Lee

Jaejoong Kwon

Kisoo Park

Sunguk Kim

Jaehou Nah

Youngmin Kim

Jinho Park

Kwyro Lee

Junhan Lee

Daeho Lee

Yeonjoo Choi

Changsu Shin

Boram Lee

Donguk Kim

Youngjin Kim

Gabsoo Han

Eunjoo Lee

Kyeu Yoon Sheem

A display panel includes a substrate including a first and a second region, which are spaced apart from each other with a penetrating portion provided therebetween, and a display element arranged on the substrate and including a first display element overlapping the first region and a second display element overlapping the second region, wherein a first side surface of the substrate that corresponds to an edge of the first region, and a second side surface of the substrate that corresponds to an edge of the second region, define at least portions of the penetrating portion, and an interval between the first and second side surfaces from an upper surface of the substrate, the upper surface facing the display element, is less than an interval between the first and second side surfaces from a lower surface of the substrate that does not face the display element.

Display panel, display apparatus, and method of manufacturing display apparatus

A display device includes a substrate including a display area and a peripheral area outside the display area, an inorganic insulating layer on the substrate, an organic insulating layer on a part of the inorganic insulating layer to expose a first upper surface of the inorganic insulating layer, the first upper surface overlapping the peripheral area, a display element at the display area and including a pixel electrode on the organic insulating layer, a pixel definition layer covering an edge of the pixel electrode and including an opening that overlaps a central portion of the pixel electrode, a first inorganic pattern layer between the organic insulating layer and the pixel definition layer, and a second inorganic pattern layer in contact with the first upper surface of the inorganic insulating layer, wherein the first inorganic pattern layer and the second inorganic pattern layer include a same material.

Display device with improved reliability and method of manufacturing the display device

A display apparatus includes: a substrate including a first area and a plurality of second areas extending from the first area in different directions from each other; a light emitting device disposed on the first area and including a first electrode, a second electrode, and an intermediate layer between the first electrode and the second electrode; a first organic layer disposed on the first area, where a distance from an upper surface of the first organic layer to an upper surface of the substrate is greater than a distance from an upper surface of the first electrode to the upper surface of the substrate; and a disconnection portion disposed on the first organic layer and including a tip, an edge of an upper surface of which more protrudes away from a center of the first organic layer than an edge of the upper surface of the first organic layer.

Display apparatus and method of manufacturing the same

A display apparatus includes: a substrate including a first surface, a second surface opposite the first surface, a display area defined on the first surface, and a non-display area defined on the second surface; a plurality of display elements at the display area on the first surface of the substrate; a driving circuit on the second surface and overlapping with the display area of the substrate; a first conductive pattern on the second surface of the substrate; and a second conductive pattern on the first surface of the substrate and connected to the first conductive pattern via a contact hole extending through the substrate. A surface roughness of the second surface of the substrate is greater than a surface roughness of the first surface of the substrate.

A display panel including a penetrating portion includes a substrate including a first region and a second region, which are spaced apart from each other with the penetrating portion provided therebetween, and a display element arranged on the substrate and including a first display element overlapping the first region and a second display element overlapping the second region, wherein a first side surface of the substrate that corresponds to an edge of the first region, and a second side surface of the substrate that corresponds to an edge of the second region, define at least portions of the penetrating portion, and an interval between the first side surface and the second side surface from an upper surface of the substrate, the upper surface facing the display element, is less than an interval between the first side surface and the second side surface from a lower surface of the substrate that does not face the display element.

A display device includes a substrate having a top surface, a bottom surface, and a first contact hole passing through the top surface and the bottom surface; a thin film transistor disposed above the top surface and including a semiconductor layer; a display element connected to the thin film transistor; a top conductive pattern disposed between the substrate and the thin film transistor and overlapping the semiconductor layer of the thin film transistor; a bottom conductive pattern disposed on the bottom surface and connected to the top conductive pattern through the first contact hole; and a bottom planarization layer disposed on the bottom surface, the bottom planarization layer disposed on the bottom conductive pattern.

Display device with bottom conductive pattern and method of manufacturing the same

A negative active material and a rechargeable lithium battery, the negative active material including a silicon-carbon composite, the silicon-carbon composite including crystalline carbon; amorphous carbon; and silicon nanoparticles having a needle shape, a flake shape, a sheet shape, or a combination thereof, wherein the silicon nanoparticles have a D50 particle diameter of 5 nm to 150 nm and an aspect ratio of 4 to 10.

Negative active material for rechargeable lithium battery and rechargeable lithium battery including the same

A liquid crystal display ('LCD') panel and an LCD device according to an exemplary embodiment may provide a first base substrate, a first polarizing layer disposed between the first base substrate and a liquid crystal layer, a first low refraction layer disposed between the first base substrate and the first polarizing layer and having a refractive index less than that of the first base substrate, and a color converting member disposed between the first low refraction layer and the first polarizing layer and including a quantum dot in an integrated manner, to realize excellent optical characteristics and have a small thickness.

Liquid crystal display panel and liquid crystal display device including the same

A negative active material for a rechargeable lithium battery includes a silicon-carbon composite including crystalline carbon and a silicon particle. The silicon-carbon composite further includes an alkali metal or an alkaline-earth metal. The alkali metal or the alkaline-earth metal is present in the silicon-carbon composite in an amount of greater than or equal to about 500 ppm and less than about 5,000 ppm by weight.

Negative active material for rechargeable lithium battery and rechargeable lithium battery including same

A display device includes: a display substrate; an opposing substrate opposing the display substrate; and a light amount control layer disposed between the display substrate and the opposing substrate. The display substrate includes: a first substrate; a thin film transistor o disposed n the first substrate; and a pixel electrode connected to the thin film transistor. The opposing substrate includes: a second substrate; a color conversion layer disposed on the second substrate; and a first polarizer disposed on the color conversion layer. The first polarizer includes: a base substrate; and a linear polarizer disposed on one surface of the base substrate. The first polarizer opposes the pixel electrode. The one surface of the base substrate on which the linear polarizer is disposed has a flatness of about 60 nm or less.

Display device and manufacturing method thereof

A quantum dot color filter includes a first pixel region, a second pixel region, a third pixel region, and a fourth pixel region. The first pixel region includes a first color conversion layer including quantum dots configured to convert incident light into light of a first color. The second pixel region includes a second color conversion layer including quantum dots configured to convert incident light into light of the first color, and a third color conversion layer including quantum dots configured to convert incident light into light of a second color. The third pixel region includes a fourth color conversion layer including quantum dots configured to convert incident light into light of the second color. The fourth pixel region includes a scattering material layer.

Quantum dot color filter and display apparatus including the same

A method of manufacturing a color conversion substrate includes preparing a substrate including a first pixel region, a second pixel region, and a third pixel region, forming a first color conversion portion corresponding to the first pixel region, forming a second color conversion portion corresponding to the second pixel region, and forming a third color conversion portion corresponding to the third pixel region. The providing the first color conversion portion includes providing a first color filter of a first color corresponding to the first pixel region, providing a first transparent pattern corresponding to the first pixel region, and providing a first pattern layer corresponding to the first pixel region and including a first material which converts light incident thereto into light of the first color, where the first transparent pattern is provided between the first color filter and the first pattern layer.

Method of manufacturing color conversion substrate

The present invention relates to a harmonic circuit for improving linearity, the harmonic circuit according to the present invention comprises a first terminal connected to a collector of a NPN transistor and a second terminal connected to an emitter of the NPN transistor, and removes inter-modulation noise from the signal appeared at the collector of the NPN transistor. The harmonic circuit includes a PNP transistor, a first resistor, and a second resistor. The PNP transistor generates harmonic components without affecting the main signal, and the harmonic components that are generated by the PNP transistor compensate the harmonic components that are generated by the NPN transistor by having load of different sign from the load of the harmonic components that are generated by the NPN transistor. In addition, the harmonic circuit further includes a phase shifter to compensate the phase distortion that is generated from non-linear devices, and it can reduce the inter-modulation noise more minutely by implementing the PNP transistor using a plurality of Darlington-connected PNP transistors.

Harmonic circuit for improving linearity

The present invention relates to improvement of even order distortion noise, DC offset, and non-linearity of mixer circuits. According to the present invention, a mixer circuit is provided, which comprises a splitter for splitting an input signal to the first and second signal having phase difference of 180 degree, a local oscillator, first mixer for mixing the first signal with the local oscillation signal, second mixer for mixing the second signal with the local oscillation signal, and subtractor for subtracting the output of the second mixer from the output of the first mixer.

Growing community of inventors

Yongin-si, South Korea

Yongseok Kim