Hyundai Motor Company

Samsung Display Co., Ltd.

Kia Motors Corporation

Kia Corporation

Hyun Jun Lim

Dong Hee Han

Jong Il Park

Yoon Joo Kim

Joowon Lee

Byung Ki Chun

Jun Gyu Lee

Young Wook Yoo

Kwanhee Choi

Hyeon Min Kim

Nahm Roh Joo

Hyungbok Lee

Seung Kook Han

Dong Ho Chu

Seungwoo Hong

Il Joong Hwang

Yeongseop Park

Heechang Oh

Hyuk Im

Kiwon Park

Seung Hwan Kim

Seung Jae Lee

Ji Hye Kim

Eun Ho Lee

So Hee Park

Kuk-Hwan Ahn

Hae Kwan Seo

Jun Heyung Jung

Chae Hee Park

Soon Dong Kim

Hyeon Ho Kim

Suk Hun Lee

Chang Noh Yoon

Kuk Hwan Ahn

Jun Woo Son

Jaeyoung Jeun

Seok Hwan Ko

Jungho Jang

Jong Ii Park

A display device includes pixels, an image converter which generates a second image by correcting grayscales of a first logo in a first image for the pixels, and a data driver which provides data signals corresponding to the second image to the pixels. The image converter detects the first logo based on value and saturation of the first image, generates first map data corresponding to the first logo, and specifies pixels corresponding to the first logo based on the first map data.

Display device and method of driving the same

The display device includes a plurality of pixels, a data driver, and a timing controller. The plurality of pixels are connected to a plurality of scan lines and a plurality of data lines. The data driver supplies a data voltage to the plurality of data lines in a light-emitting mode and supplies a neural network input voltage to the plurality of data lines in an artificial neural network mode. The timing controller is in an artificial neural network mode, and supplies a weight value control signal for performing a deep learning operation by using at least one of the plurality of pixels to the data driver. The weight value control signal is generated based on a predetermined weight value.

Display device including a light-emitting mode and a neural network mode

A display device includes pixels, an image converter generating second image data using first image data of an N-th frame and first image data of an (N+1)th frame; and a data driver supplying a data signal corresponding to the second image data to the pixels during an (N+1)th frame period. The image converter detects a logo and a logo area using the first image data, calculates a first representative value of data corresponding to a peripheral area of the logo area among the first image data of an N-th frame and a second representative value of data corresponding to a reference area among the first image data of the (N+1)th frame, and selectively converts data for the logo among the first image data of the (N+1)th frame according to the first representative value and the second representative value to generate the second image data of the (N+1)th frame.

A display device includes: a display panel including first and second display areas adjacent to each other; and first and second data drivers configured to drive the first and second display areas, respectively, wherein the first data driver includes: a first afterimage detector configured to receive an input image and to detect a first afterimage area including an afterimage of the first display area from the input image; a first comparator configured to compare an afterimage detection result of the first display area with an afterimage detection result of the second display area received from the second data driver; and a first coordinate corrector configured to correct coordinates of the first afterimage area in response to the afterimage detection result of the first display area and the afterimage detection result of the second display area satisfying a preset reference.

Display device

A display device includes: pixels arranged in a display area; a timing controller which generates image data of each frame based on an input image signal of the each frame, the timing controller including a logo controller which detects a logo image and a logo area including the logo image from the input image signal of the each frame to control luminance of the logo image; and a data driver which generates a data signal based on the image data and supplies the data signal to the pixels. The logo controller generates a first logo map based on an input image signal of a previous frame, generates a second logo map based on an input image signal of a current frame, and determines a similarity between the first logo map and the second logo map to selectively change luminance of a logo image of a next frame.

Display device and driving method thereof

A display device includes pixels; an image converter which generates a second image by correcting grayscales of a logo among a first image for the pixels; and a data driver which provides data voltages corresponding to the second image to the pixels. The image converter generates first accumulated data by accumulating first map data corresponding to a logo area larger than the logo among the first image during a plurality of frame periods, generates second accumulated data by scaling the first accumulated data every refresh cycle, generates third accumulated data by initializing values smaller than a first threshold value among the second accumulated data to be a background value, and specifies pixels corresponding to the logo based on second map data corresponding to the third accumulated data.

Display device correcting grayscales of logo and driving method thereof

An object detection post-processing device of a display device, includes: an input to receive position information of an object that is detected from input image data for the display device in a current frame; a position information storage device to accumulatively store the position information of a plurality of previous frames; an accumulated position calculator to generate accumulated position information according to the position information of the current frame and the position information of the plurality of previous frames; and a position information determiner to determine final position information according to the accumulated position information, and to output the final position information.

Object detection post-processing device, and display device including the same

An engine system may include: an engine including cylinders that generate a driving torque by combusting fuel; a first intake manifold connected to an intake line through which flows intake air into some of the plurality of cylinders; a second intake manifold supplying the intake air to the other cylinders of the plurality of cylinders through the first intake manifold; a first exhaust manifold connected to some cylinders that are connected to the first intake manifold; a second exhaust manifold connected to some other cylinders that are connected to the second intake manifold; a recirculation line branched from the second exhaust manifold to be coupled to the second intake manifold; a recirculation inlet valve disposed at a point at which the recirculation line and the second exhaust manifold are joined; and a manifold connection valve disposed on an intake line between the first intake manifold and the second intake manifold.

Engine system

Display device includes a scan driver to receive a scan start signal and to supply scan signals of a turn-on level to scan lines in response to the scan start signal; a data driver to receive grayscale values and to supply data voltages corresponding to the grayscale values and a reference data voltage to data lines; pixels connected to the scan lines and the data lines, the pixels including display target pixels configured to receive the data voltages and at least one sensing target pixel configured to receive the reference data voltage; and a scan start signal adjusting unit to detect the display target pixels among the pixels using the grayscale values and to adjust a phase of the scan start signal when at least one of the display target pixels comprises a sensing target pixel.

A display device including: a first pixel region including first pixels connected to a data line and first scan lines; a second pixel region in contact with the first pixel region at a first boundary and including second pixels connected to the data line and second scan lines; and a third pixel region in contact with the second pixel region at a second boundary and including third pixels connected to the data line and third scan lines, wherein the display device is configured to scale an image displayed in the second pixel region one or more times based on the second pixel region maintaining a folded state.

An engine system having a secondary air injection device include: an engine having a plurality of cylinders; a first intake line in which intake air supplied into the cylinder flows; a second intake line in which intake air supplied into the cylinder flows; a bypass line connecting the first intake line and the second intake line; a first electric supercharger and a second electric supercharger disposed in the first intake line and the second intake line, respectively; an exhaust manifold connected with the plurality of cylinders; an exhaust line connected with the exhaust manifold such that exhaust gas flows to the exhaust line through the exhaust manifold; an exhaust gas purification device disposed in the exhaust line; and a secondary air injection device injecting air into the exhaust manifold or the exhaust line from the intake line.

Engine system having secondary air injection device

An engine system may include an intake line, and a cylinder deactivation (CDA) device selectively deactivating a portion of combustion chambers in the engine. The engine system may further include a first exhaust manifold connected to a first plurality of combustion chambers mounted with the CDA device, a second exhaust manifold connected to a second plurality of combustion chambers without the CDA device, a first exhaust line connected to the first exhaust manifold, a second exhaust line connected to the second exhaust manifold, and a third exhaust line connected with the first and second exhaust lines through an exhaust gas processing device. In addition, a turbocharger including a turbine is mounted at the first exhaust line and rotated by exhaust gas. An air injection device may supply air to the second exhaust manifold or the second exhaust line in a catalyst heating mode of the exhaust gas processing device.

Engine exhaust catalyst heating system

A control method for a turbocharger system may include controlling opening levels of an intake bypass valve, an exhaust bypass valve, and a throttle valve according to a driving condition of a vehicle by a controller, and executing a series of commands by the controller, including determining whether an engine rpm satisfies a set low/medium speed condition, determining whether an acceleration request condition is satisfied when the engine rpm satisfies the set low/medium speed condition, closing the intake bypass valve, and controlling an opening angle of the exhaust bypass valve according to the acceleration request condition.

Control method for turbocharger

An engine system may include an engine having an intake line flowing an intake gas supplied to the combustion chambers; an intake manifold; a throttle valve provided at a front of the intake manifold and controlling an air amount supplied to the combustion chamber; an electric supercharger provided at the throttle valve and including a motor and an electric compressor operated by the motor to supply the supercharged air to the combustion chamber; an exhaust gas processing device purifying an exhaust gas generated in the combustion chamber; and an exhaust gas recirculation device including a recirculation line branched from the downstream portion of the exhaust gas processing device and joined to the intake line of the upstream portion of the electric compressor, an EGR cooler mounted at the recirculation line, and an EGR valve mounted at a part where the recirculation line and the intake line are joined.

Growing community of inventors

Incheon, South Korea

Hyun Jun Lim