Samsung Display Co., Ltd.

Samsung Displayco., Ltd.

Taejoon Kim

Hyun-Wook Cho

Jungmok Park

Min-Hong Kim

Hyun-wook Cho

Jaewoo Choi

Sangkook Kim

Hwan-hee Jeong

Hyungbae Kim

Yeontae Kim

Jinwoo Park

Eunsol Seo

Jaehyun Park

Bogeun Yuk

Eungkwan Lee

Yong-Hwan Park

Il Ho Lee

Jiyeong Lee

Joo-Hyeon Jeong

Hyeyong Chu

ChangBum Kim

Yerin Oh

Youngsik Kim

Hwan-Hee Jeong

Seungrok Lee

Wankee Jun

Jinoh Kwag

Siyoung Choi

Sangwook Yoo

Junseong Lee

Jeongheon Lee

Jaehyuk Chang

Bongil Kang

Gayeon Yun

Heonseok Lee

Jinyoung Jeon

Bo-Hwan Lee

Hyunkyu Sun

Sikyung Lim

Jaewood Choi

Provided are a display panel and an electronic apparatus including the same. The display panel has a transmittance area and an expanded display area to enable the representation of images in an area where an electronic component is located and, for example, to remove or decrease the distortion by diffracted light among the light received by the electronic component when the electronic component is an electronic component (e.g., a camera) using light. The display panel includes: a substrate; first pixel circuits and second pixel circuits on the substrate and spaced apart from one another with the transmittance area therebetween, and each including a thin film transistor and a storage capacitor; first and second display elements electrically respectively coupled to the first and second pixel circuits; and a first phase shift layer between the substrate and the first and second pixel circuits and having a first light transmittance.

Display panel and electric apparatus including the same

An electronic device according to an embodiment of the inventive concept includes a display panel divided into a display area on which the pixels are disposed and a non-display area disposed adjacent to the display area on a plane, and an input sensing unit including a first pattern and a second pattern, which are disposed on the display panel, overlap the display area, and disposed on the same layer while being spaced apart from each other, an insulation layer disposed on the encapsulation layer, and a first line and a second line, which overlap the non-display area and are disposed on different layers from each other with the insulation layer therebetween, wherein the first line is connected to the first pattern and the second line is connected to the second pattern. The first line overlaps at least a portion of the second line on the plane.

Input sensing unit with partially overlapping lines in a peripheral area and electronic device including the same

An electronic device includes a display unit including an active area configured to display an image, a peripheral area adjacent to the active area, and an input sensing unit disposed on the display unit within the active area. The input sensing unit includes a first sensing electrode disposed in the active area and a second sensing electrode spaced apart from the first sensing electrode and disposed in the active area.

Electronic device

An electronic device testing method includes providing an electronic device including a display layer including a common electrode and a sensor layer that is disposed on the display layer and that includes a plurality of first electrodes and a plurality of second electrodes that insulatively intersect the plurality of first electrodes, measuring a plurality of jitter values of a plurality of channels formed by the plurality of first electrodes and the plurality of second electrodes, calculating a first value being an average of the plurality of jitter values, calculating a second value by summing jitter values, among the plurality of jitter values, of channels formed by one of the plurality of second electrodes among the plurality of channels, and testing the common electrode based on a third value obtained by dividing the second value by the first value.

Electronic device testing method

An inspection system includes a display device product comprising a display panel and an input sensor; and an inspection device comprising an inspection signal generator configured to provide to the display panel an inspection signal indicative of a first image pattern, a memory configured to store a reference signal responsive to a second image pattern, and a noise detector configured to receive from the input sensor a sensing signal responsive to the first image pattern, detect a first noise based on the sensing signal, and detect a second noise based on the reference signal.

System and method for inspecting display device having input sensor

An electronic apparatus includes an electronic panel including a plurality of sensing groups spaced apart from each other, and an electronic module overlapping with the electronic panel in a plan view. Each of the sensing groups includes a first sensing electrode extending in a second direction, and second sensing electrodes spaced apart from each other in the second direction, located on the same layer as the first sensing electrode, and face the first sensing electrode in a first direction. An opening overlapping with the electronic module and penetrating a first sensing group of the sensing groups is defined in the electronic panel, and at least one selected from the first sensing electrode and the second sensing electrodes of the first sensing group extends along an edge of the opening.

Electronic apparatus

A display device includes a display panel and an input sensing panel. The input sensing panel includes pluralities of first and second sensing electrodes and electrostatic induction patterns, each of which is connected to a sensing electrode from one of the pluralities of sensing electrodes and overlaps another sensing electrode from the other one of the pluralities of sensing electrodes. The input sensing panel includes a first area where deviations of mutual capacitances between the first and second sensing electrodes are small and a second area where the deviations are large. The electrostatic induction patterns include first electrostatic induction patterns disposed in the first area and second electrostatic induction patterns disposed in the second area, the second electrostatic induction patterns having a different area from the first electrostatic induction patterns, or the number of second electrostatic induction patterns being different from the number of first electrostatic induction patterns.

Display device

Disclosed is an apparatus for inspecting a defect of a display panel. The apparatus for inspecting includes the display panel that displays an image, an input sensor that is disposed on the display panel and senses an input applied from outside, a sensor driving part that drives the input sensor, and an inspection part that is connected with the sensor driving part, sets a frequency of the input sensor to an inspection frequency, and detects the defect of the display panel based on a change in a jitter occurring when the input sensor is driven at the inspection frequency. The inspection frequency includes a harmonic frequency of a driving frequency of the display panel.

Apparatus and method for defect inspection of display panel

Provided is a display device comprising a display panel, an input sensor including a first sensing area having a first sub-area and a second sub-area, and a first sensor controller configured to drive the first sensing area. Here, the input sensor includes first sensing electrodes disposed in the first sub-area to receive a first transmission signal from the first sensor controller, second sensing electrodes disposed in the first sub-area and intersected with the first sensing electrodes, third sensing electrodes disposed in the second sub-area to receive a second transmission signal having a phase inverted from that of the first transmission signal from the first sensor controller, and fourth sensing electrodes disposed in the second sub-area and intersected with the third sensing electrodes.

A display device includes a display panel, an input sensor, and a circuit board. The input sensor includes first detection electrodes arranged in a first direction, second detection electrodes arranged in a second direction, first detection wires respectively electrically connected to the first detection electrodes, and second detection wires respectively electrically connected to the second detection electrodes. Resistance values of the first detection wires decrease as a corresponding first detection electrode among the first detection electrodes is disposed closer to a center of the display panel. Resistance values of the second detection wires increase as a corresponding second detection electrode among the second detection electrodes moves away from the circuit board, and a difference between the resistance values of the second detection wires adjacent to each other increases as the corresponding second detection electrode moves away from the circuit board.

Display device having detection wires with varied resistance values and manufacturing method of the same

In a method for testing an electronic device, the method includes: providing an electronic device including a display layer and a sensor layer on the display layer and configured to operate at a touch drive frequency, the sensor layer including a plurality of first electrodes and a plurality of second electrodes insulatively intersecting the plurality of first electrodes; providing a test signal having a test frequency higher than the touch drive frequency to the plurality of first electrodes; measuring mutual capacitance with the plurality of first electrodes through the plurality of second electrodes; and determining whether or not the sensor layer is defective, based on the mutual capacitance.

Electronic device having a testing method for determining defects in a sensor layer

An electronic device including: a display layer; a sensor layer disposed on the display layer; a memory configured to store first sensitivity values and first differential sensitivity values; and a sensor driver configured to calculate second sensitivity values from a plurality of nodes and to calculate second differential sensitivity values, wherein the sensor driver is configured to: calculate difference values between the first differential sensitivity values and the second differential sensitivity values; calculate a first average value of a first row or column of values among the difference values; and calculate a second average value of remaining values among the difference values, wherein the remaining values were not used in the first average value calculation, and wherein the sensor driver determines whether to update a baseline, based on the first average value and the second average value.

Electronic device, a sensor driving unit, and an electronic device driving method

A display panel includes a display panel and an input sensor disposed on the display panel. The input sensor includes an active region and an inactive region at least partially surrounding the active region. The input sensor includes a plurality of sensing electrodes disposed in the active region, a plurality of sensing lines disposed in the inactive region and connected to the sensing electrodes, a ground line extending outwardly to a greater extent than the sensing lines in the inactive region, and at least one shield layer extending from the ground line in the inactive region.

Input sensing display device including a shielding part

An input sensing part includes a first sensing electrode, a second sensing electrode that is insulated from the first sensing electrode and crosses the first sensing electrode, a plurality of dummy electrodes that are disposed in dummy areas located between the first and second sensing electrodes, when viewed in a plan view, and a dummy connection pattern that is insulated from the first and second sensing electrodes. The dummy connection pattern crosses the first sensing electrode or the second sensing electrode, when viewed in a plan view, and connects the dummy electrodes.

Input sensing part and display device including the same

A circuit board includes a base substrate, and a connection structure disposed on the base substrate, and connected to the base substrate by an accessing part. The connection structure includes a first connection electrode, a second connection electrode disposed in a same layer as the first connection electrode, a third connection electrode connected to the first connection electrode on the first connection electrode, and a fourth connection electrode connected to the second connection electrode on the second connection electrode, and disposed in a same layer as the third connection electrode.

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Seongnam-si, South Korea

Taejoon Kim