Kt Corporation

Samsung Electronics Co., Ltd.

Samsung Display Co., Ltd.

Samsung Electro-mechanics Co., Ltd.

Samsung Displayco., Ltd.

Hyung Lee

Joo Young Kim

Ji Won Lee

Chang Soo Lee

Jin Hyoung Lee

Kwan Lae Kim

Chul Hyun Park

Youn Pil Jeung

Myoung Hee Seo

Jeong Hae Kim

Sung Chul Kim

Tae Young Lee

Hyung Ki Kim

Seong Jong Cheon

Dae Hong Kim

Young Chol Lee

Sung Hoon Yang

Se Yoon Oh

Yong-Hun Kwon

Seung Hun Chae

Jong Bin Kim

Jeong Shan Na

Jun Sung Choi

Sang Heon Ye

In Gi Kim

Hyun Ae Kim

Wook Jae Jeon

Ju Hyun Lee

Seung Min Kim

Jeong Moon Lee

Kyung Min Lee

Chui Hyun Park

Youn Pil Jeong

Gyu Ha Jo

Wook Tae Kim

Yong Hyun Cho

Tae Jun Ko

An optical inspection device includes: a barrel; a first light source unit at a first side of the barrel and configured to irradiate light of a first wavelength range through a first light path; a second light source unit at a second side of the barrel, the second side being different from the first side, and configured to irradiate light of a second wavelength range that is different from the first wavelength range through a second light path; and a camera. At least a portion of the first light path is different from the second light path.

Optical inspection device and inspecting method using the same

A method for inspecting a display device includes preparing a target substrate comprising sub-pixels in which light-emitting elements are disposed, dividing each of first regions of the sub-pixels into second regions, obtaining a gray value of each of the second regions, generating a random number using the gray value, calculating a representative value of each of the first regions by reflecting variables in the random number, and summing the representative values of the first regions to calculate a number of light-emitting elements of the sub-pixels.

Method for inspecting display device and method for fabricating display device

An aging system according to an embodiment includes an aging pad inspector for inspecting an aging pad of a display device, an aging aligner for aligning the aging pad with a probe, and an aging processor for applying an aging signal to the display device through the aging pad and through the probe.

Aging system and aging method of display device

There is provided a display apparatus with an improved viewing angle. The display apparatus includes a display panel configured to receive light from a light source module, wherein the display panel includes: a liquid crystal panel; a first polarizing plate positioned on a rear side of the liquid crystal panel and a second polarizing plate positioned on a front side of the liquid crystal panel; and an optical layer positioned on a front surface of the second polarizing plate, wherein the optical layer includes: a resin layer having a first refractive index, and including an accommodating groove in which a light adjusting portion is disposed, the resin layer further including a light refractive pattern protruding toward a rear direction of the display panel; and an adhesive layer having a second refractive index different from the first refractive index, and bonding the resin layer with the second polarizing plate.

Display apparatus

A front end module includes a base filter configured to operate as a bandpass filter passing a pass band of an input radio frequency signal; a switch connected to the base filter, and a first notch filter and a second notch filter selectively connected to the base filter through the switch, wherein a stop band of the first notch filter and a stop band of the second notch filter overlap the pass band of the base filter in a band equal to or higher than a center frequency of the pass band of the base filter.

Front end module

In a device for detecting a defect, the device includes: an image pickup unit including pixels, the image pickup unit generating a substrate image by picking up an image of a substrate having patterns formed on a top surface thereof; and a controller for detecting a defect located on the substrate, based on the substrate image, wherein the substrate image includes pattern images corresponding to the patterns, wherein each of the pattern images includes pixel values, wherein the controller detects the defect by comparing weights of pixel values for each of the pattern images.

Device for detecting defect and method of driving the same

A method of managing a file of a subscriber authenticating module embedded in a terminal device and a module for authenticating a subscriber by using the method. The method of managing the file includes configuring a file structure for one or more profiles and managing one or more files included in the file structure in response to a request. Thus, the method is efficient for a multiple-profile environment.

Method of managing shared files and device for authenticating subscriber by using same

A high pass filter includes: a first resonant circuit including an inductor and a capacitor in parallel between first and second terminals; a second resonant circuit including an inductor and a capacitor in series between a first end of the first resonant circuit and a ground; a third resonant circuit including an inductor and a capacitor in series between a second end of the first resonant circuit and the ground; a fourth resonant circuit disposed between the first end of the first resonant circuit and the first terminal, and including a first acoustic resonator; and a fifth resonant circuit disposed between the second end of the first resonant circuit and the second terminal, and including a second acoustic resonator. Attenuation regions respectively formed by the first, second, and third resonant circuits are arranged in lower frequency regions than attenuation regions respectively formed by the fourth and fifth resonant circuits.

High pass filter

A band pass filter includes: a first circuit unit including a first series LC resonant circuit disposed between a first terminal and a second terminal; a second circuit unit disposed between the first circuit unit and the second terminal, and including a first parallel LC resonant circuit; and a third circuit unit disposed between the first terminal and a ground, and including a second series LC resonant circuit, wherein a resonant frequency of the first circuit unit is in a pass band.

Band pass filter

A method and device for managing an identifier of an embedded universal integrated circuit card (eUICC) is disclosed. The eUICC receives an identifier information request, determines whether there is a network carrier profile in an enabled state, and provides a response with identifier information corresponding to the identifier information request based on the results of the determination. According to the method, it is possible to separately manage the unique identifier of the eUICC and a network carrier ICCID and to dynamically manage the identifier of the eUICC according to the state of the network carrier profile of the eUICC.

Method and device for managing identifier of EUICC

A method for providing mobile communication provider information and a device for performing the same are disclosed. A terminal having an eUICC receives data, in which mobile communication provider information is capsulized and included, and stores the received data in the eUICC. Therefore, the mobile communication provider information can be transferred by applying the highest security scheme, and duplication of the eUICC due to the exposure of an authentication key by external hacking attacks can be prevented.

Method of providing mobile communication provider information and device for performing the same

A display apparatus, particularly a display apparatus having a supporter member to improve the cooling efficiency, is provided. The display apparatus includes a display panel configured to display an image; a light source configured to emit a light to the display panel; a bottom chassis in which the light source is installed; and a supporter member configured to support the display panel, wherein the supporter member includes a cooling flow path configured to allow an air to flow to the inside of the supporter member.

An embedded universal integrated circuit card (eUICC) configured to control and enforce policy rules includes a policy rule storage configured to define actions and conditions required to enforce a plurality of policies and store a plurality of policy rules; a policy controller configured to control the plurality of policy rules; and a policy enforcer configured to enforce the plurality of policy rules. The policy is a principle reflecting rules for controlling the eUICC and an external entity remotely managing the eUICC. The plurality of policy rules includes a first type of policy rules and a second type of policy rules, the first type of policy rules and the second type of policy rules being managed in physically different places.

Method for control and enforcement of policy rule and EUICC

A method for configuring a profile of a subscriber authenticating module embedded and installed in a terminal device, and an apparatus using same, are disclosed. The subscriber authenticating module embedded and installed in the terminal device according to an exemplary embodiment includes one or more network access application related data sets and one or more profiles having unique identifiers. The present invention enables an eco-system provider such as a network service provider, a eUICC manufacturer, or a terminal manufacturer to develop an efficient and rapid eUICC and provide a eUICC service.

Method for configuring profile of subscriber authenticating module embedded and installed in terminal device, and apparatus using same

A terminal device having a subscriber identity device and a method for selecting a profile thereof, are disclosed. A mobile communication terminal device comprises: a subscriber identity module including a profile, a network authenticator which performs an authentication procedure for a communication network on the basis of a provisioning profile among profiles, and which receives authentication completion information from an operator server of the communication network; and a network access unit which accesses the communication network on the basis of the authentication completion information, and which receives a service from the operator server on the basis of an operational profile corresponding to an operator of the communication network among the profiles.

Growing community of inventors

Seoul, South Korea

Hyung Lee