Skc Co., Ltd.

Samsung Electronics Co., Ltd.

Sk Microworks Co., Ltd.

Sungkyunkwan University

Hyejin Kim

Kyuhun Kim

Sungjin Chung

Haksoo Lee

Sung Jin Chung

Jiyeon Ryu

Jewon Yeon

Jaechul Han

Jieun Kim

Soyoung Yun

Heung Sik Kim

Sunhye Lee

Chanhee Park

Kyu-Hun Kim

Jaeyoung Ro

Hyunbae Kim

Hak Soo Lee

Sungjin Lim

Changmin Lee

Youngdo Kim

Yoonkyung Kang

Sangki Nam

Jidam Hong

Yongjae Park

Minho Jung

Hyunjae Lee

Changhoon Kim

Heeyeop Chae

Sohee Kim

Seongjun Kim

Jeongphil Seo

Heungsik Kim

JooYoung Jung

Dosung Kim

Yejin Jeon

Kibeom Hwang

Eunhee Nam

HyungSuk Moon

A printed circuit board may include a substrate body portion, conductive patterns on a top surface of the substrate body portion, and a photosensitive insulating layer on the top surface of the substrate body portion and including an opening exposing at least one of the conductive patterns. The photosensitive insulating layer includes first to third sub-layers stacked sequentially. The first sub-layer includes an amine compound or an amide compound. A refractive index of the second sub-layer is lower than a refractive index of the third sub-layer. A photosensitizer content of the second sub-layer is higher than a photosensitizer content of the third sub-layer.

Printed circuit board and semiconductor package which include multi-layered photosensitive insulating layer

A package substrate includes at least one substrate base, a plurality of wiring patterns disposed on an upper surface and a lower surface of the at least one substrate base and extending in a horizontal direction, a plurality of wiring vias extending in a vertical direction through the at least one substrate base and electrically connecting two wiring patterns positioned at different vertical levels among the plurality of wiring patterns, to each other, and an upper surface solder resist layer having a plurality of first upper surface openings extending from the upper surface to the lower surface, and at least two upper surface openings having a second opening width as a horizontal width that is greater than a first opening width which is a horizontal width of the plurality of first upper surface openings, the upper surface solder resist layer covering an upper surface of the at least one substrate base.

Package substrates and semiconductor packages having the same

The method of producing a polyvinyl butyral resin of the present disclosure enable manufacture of a film of which yellow index is low and durability is enhanced, when a film for lamination is manufactured, by advancing acetalization reaction of a polyvinyl alcohol resin and a butanal in the presence of a hydroxy butyric acid.

Method for preparing polyvinyl butyral resin composition, and glass-adhesive film comprising same

Embodiment relates to film for bonding, and a light-transmitting laminate including the same and the like, a film for bonding comprising an embossed surface, wherein the embossed surface has an A2/A1 value of 1 or less are disclosed. A film for bonding have improved in deairing stability during formation of a light transmitting laminate, an edge sealing characteristic, and the like by controlling characteristics of a embossed surface.

Bonding film, and light-transmitting laminate including same

An insulation structure includes: a first resin layer including first fillers; a second resin layer on the first resin layer and including second fillers; and a third resin layer on the second resin layer and including third fillers. A diameter of each of the first fillers may be more than about 200 nm and equal to or less than about 500 nm. A diameter of each of the second fillers may be more than about 10 nm and equal to or less than about 200 nm. A diameter of each of the third fillers may be equal to or less than about 10 nm. An arithmetic average roughness (Ra) and a ten point average roughness (Rz) of a surface of the insulation structure may be equal to or less than about 30 nm and equal to or less than about 100 nm, respectively.

Insulation structures and printed circuit board including the same

Provided is a method of generating a user-customized community list that includes obtaining, from a user device, a usage history of the user device, identifying a device group corresponding to the user device from a plurality of device groups, based on the usage history of the user device, obtaining a community list comprising at least one community corresponding to the device group, each community in the community list providing a communication service between members of the respective community, identifying a content information corresponding to a first content being used in the user device, generating the user-customized community list based on the content information and the community list, the user-customized community list comprising at least one first community corresponding to the first content, and at least one second community associated with the first content, and transmitting the user-customized community list to the user device.

Server for generating user-customized community list for user device, and operating method of the server

A wafer processing apparatus includes a chamber, and a voltage waveform generator configured to accelerate plasma ions of the chamber, the voltage waveform generator includes: a pulse circuit configured to apply a chamber voltage, which is a pulse voltage, to the chamber by adjusting a chamber current applied to the chamber; and a slope circuit configured to generate a slope in an on-duty of the chamber voltage, which is the pulse voltage, and the pulse circuit includes a first inductive element configured to store a first internal current.

Voltage waveform generator, wafer processing apparatus and plasma processing apparatus

A method for recommending a color of a home appliance is provided. The method includes providing a plurality of panel graphic objects corresponding to each of a plurality of panels of the home appliance, providing a plurality of color graphic objects each representing a plurality of colors, receiving a selection for one of the plurality of color graphic objects, applying a color represented by the selected color graphic object to one of the plurality of panel graphic objects, and providing information on a color scheme corresponding to the color represented by the selected color graphic object.

Method for recommending color of home appliance and computer readable recording medium

A display device comprises: a panel driving unit comprising panel driving circuitry; a display panel including a plurality of pixels; and a processor configured to control the panel driving unit, wherein: the processor is configured to: control the panel driving unit so that gate signals are sequentially output to a plurality of gate lines one gate line at a time, to process, in a first mode, image data in a first driving frequency, and control the panel driving unit so that the gate signals are output to the plurality of gate lines at least two gate lines at a time, to process, in a second mode, the image data in a second driving frequency higher than the first driving frequency; wherein, in the second mode, the respective gate lines output to the plurality of gate lines at least two gate lines at a time can have output timings that differ from each other.

Display device configured to output gate signals to at least two gate lines at a time having output timings different from each other, and control method therefor

Display screen or portion thereof with graphical user interface

A variable frequency and non-sinusoidal power generator includes a pulse module circuit, a slope module circuit, and first and second cooling systems. The pulse module circuit and the slope module circuit includes control switches, and generates at least one of a output currents and a output voltages by selectively turning on/off the control switches based on control signals. The first and second cooling systems are disposed at first and second sides of the control switches. A bias power having a variable frequency and a non-sinusoidal waveform is generated based on the control signals, at least one of the output currents and the output voltages.

Variable frequency and non-sinusoidal power generator using double side cooling, plasma processing apparatus including the same and method of manufacturing semiconductor device using the same

A film for laminating glass includes a first surface layer, a second surface layer opposite the first surface layer, and an interlayer disposed between the first surface layer and the second surface layer, wherein the interlayer includes a trioxane-based compound.

Film for glass lamination, composition for glass lamination film, and laminated glass comprising glass lamination film

The plastic intermediate film includes a sound insulating layer, wherein the sound insulating layer comprises a polyvinyl acetal resin, a plasticizer, and a refractive index regulator, wherein the refractive index regulator is particles with average diameter (D) of 100 nm or less and has an absolute refractive index of 2.0 or more, wherein the refractive index regulator is comprised in an amount of more than 0 wt % and 1 wt % or less based on the entire sound insulating layer, and wherein the plasticizer is comprised in an amount of 33 to 41 wt % based on the entire sound insulating layer.

Plastic intermediate film, laminate including same, and mobility means including same

A film for laminating glass including: a first surface layer; a second surface layer disposed opposite to the first surface layer; and at least one sound insulating layer disposed between the first surface layer and the second surface layer, wherein the film for laminating glass has a L/F value reduction rate [G_L/F(A,B)] of 0.07/&#xb0; C. or less at a temperature range of 20 to 35&#xb0; C.

Film for glass lamination, composition for film for glass lamination, and laminated glass comprising same

A film for laminating glass includes a polyvinyl acetal, a plasticizer, inorganic particles, and a trioxane-based compound.

Film for laminating glass, method for manufacturing film for laminating glass, and vehicle comprising film for laminating glass

Growing community of inventors

Suwon-si, South Korea

Hyejin Kim