Japan Display Inc.

Tomohiko Naganuma

Shinichiro Oka

Tatsuya Sugita

Mitsuhide Miyamoto

Chunche Ma

Toshio Miyazawa

Shinichi Komura

Terunori Saitou

Yuko Matsumoto

Yasukazu Kimura

Takuma Nishinohara

A display device includes a display region including a plurality of first regions, and a plurality of second regions arranged with a certain gap between the plurality of first regions, wherein each of the plurality of first regions includes a transistor, a first organic layer, a wiring, a first organic insulating layer on the wiring and the transistor, a display element on the first organic insulating layer, a first sealing layer on the display element and stacked in order with a first inorganic insulating layer, a second organic insulating layer and a second inorganic insulating layer, each of the plurality of second regions includes the wiring, a second organic layer on the wiring, a second sealing layer stacked in order with the first inorganic insulating layer and the second inorganic insulating layer, and a thickness of the second organic layer is smaller than the thickness of the first organic layer.

Display device with organic layer

First electrodes are formed on an insulation surface in such a manner that the adjacent first electrodes are connected in a first direction and are separated in a second direction intersecting the first direction. Second electrodes are formed on an insulation surface in such a manner that the adjacent second electrodes are connected in the second direction and are separated in the first direction. Third electrodes are formed in regions in which the third electrodes overlap with the first electrodes and do not overlap with the second electrodes in such a manner that the adjacent third electrodes are connected in the second direction and are separated in the first direction. A flexible insulation layer is formed between the first electrodes and the third electrodes. An area of each of the third electrodes is less than an area of each of the first electrodes.

Touch sensor and display device with touch sensor

A display device includes a display region including a plurality of pixels and a separation region between each of the plurality of pixels and a touch sensor overlapping the display region. The touch sensor includes a sensor electrode and an insulating layer. The sensor electrode includes a first sensor electrode pattern overlapping at least one of the plurality of pixels and a second sensor electrode pattern overlapping at least a part of the separation region. The insulating layer is arranged between the first sensor electrode pattern and the second sensor electrode pattern, and overlaps the first sensor electrode pattern, and covers a first region of the first sensor electrode pattern. The second sensor electrode pattern is arranged on the insulating layer and the first sensor electrode pattern, and connected to a second region of the first sensor electrode pattern.

Display device

Display device with organic layer with different thickness

An organic EL display device according to an embodiment of the present invention includes: a base material; a plurality of pixels located on the base material; a lower electrode included in each of the plurality of pixels; a bank defining the plurality of pixels; an organic material layer disposed on the lower electrode and on the bank and including a plurality of layers; and an upper electrode disposed on the organic material layer. In a first layer included in the organic material layer, a non-existent region where the first layer is cut off or has a thickness thinner than that of another region is formed, and the non-existent region is formed in at least a portion of an effective region of the pixel surrounded by the bank.

Organic el display device and method of manufacturing organic el display device

A display device includes: a plurality of pixel electrodes; a first carrier injection layer, a first carrier transport layer, a light-emitting layer, a second carrier transport layer, and a second carrier injection layer provided in order on the plurality of pixel electrodes; and a counter electrode provided on the second carrier injection layer. The second carrier has a polarity opposite to that of the first carrier. The counter electrode is connected to one layer of the first carrier transport layer and the first carrier injection layer, penetrating a layer situated between the one layer and the counter electrode, between the pixel electrodes adjacent to each other in a plan view. Alternatively, an upper surface of an intermediate electrode situated between the pixel electrodes adjacent to each other in a plan view is connected to the first carrier injection layer.

There is provided a touch or proximity sensor including a plurality of first touch electrodes extending in a first direction and being arranged in a second direction intersecting the first direction, and a plurality of second touch electrodes extending in the second direction, being arranged in the first direction, and insulated from the plurality of first touch electrodes, in which at least one of the plurality of first touch electrodes and at least one of the plurality of second touch electrodes respectively have concave surface on a detection surface side.

Touch or proximity sensor and display device

A sensing circuit is configured to measure a first physical quantity corresponding to a first capacitance being a parasitic capacitance formed in at least one of electrode groups including a plurality of first electrodes and a plurality of second electrodes, to thereby detect that significant change has occurred in the first capacitance due to touching of a conductor when an obtained first measurement value is out of a first range. The sensing circuit is further configured to measure a second physical quantity corresponding to a second capacitance formed between each of the plurality of first electrodes and each of the plurality of second electrodes, to thereby detect that significant change has occurred in the second capacitance due to compression of an insulating elastic layer based on a pressing force when an obtained second measurement value is out of a second range.

A display device with an input function including a substrate, a plurality of pixels arranged above the substrate, a light emitting element including a first electrode, a second electrode and an organic layer between the first electrode and the second electrode each arranged in the plurality of pixels, and a sensor part including the second electrode, a first inorganic insulating layer arranged above the second electrode, a piezoelectric layer arranged above the first inorganic insulating layer, a second insulating layer arranged above the piezoelectric layer, and a third electrode arranged above the second inorganic insulating layer, wherein the plurality of pixels and the sensor part are arranged overlapping each other, and the second electrode is shared by the plurality of pixels and the sensor part.

Display device with input function

A liquid crystal display device is configured to form a three dimensional image on the vertical view by applying a first voltage between a narrow electrode on the first substrate and a wide electrode on the second substrate, and a second voltage lower than the first voltage between the wide electrode on the first substrate and the wide electrode on the second substrate, and to form a three dimensional image on the horizontal view by applying the first voltage between the wide electrode on the first substrate and a narrow electrode on the second substrate, and the second voltage between the wide electrode on the first substrate and the wide electrode on the second substrate so as to reduce generation of domain in the horizontal electric field.

Liquid crystal display device

An object of the present invention is to improve yield when manufacturing a display device. A method of manufacturing a display device for displaying an image using a display element includes exposing a first surface of a glass substrate o an aqueous solution containing hydrogen fluoride, forming an organic resin film having a polar group above the first surface of the glass substrate, forming a layer including a display element for displaying an image above the organic resin film, and bonding an opposing substrate so as to cover the display element.

Method of manufacturing a display device

It is an object to reduce 3D moir&#xe9; and provide a higher-quality three dimensional image display device. The three dimensional image display device includes a display panel on which rows of pixels for right eye and rows of pixels for left eye are alternately arranged in a lateral direction, the display panel planarly displaying an image for three dimensional display, and a parallax forming liquid crystal panel for forming a parallax in an image for right eye and an image for left eye displayed by the display panel. Lateral direction center positions, which are vertexes of luminance in the lateral direction of an image for right eye and an image for left eye, where the image for three dimensional display is visually sensed through the parallax forming liquid crystal panel, are respectively positions shifted in the lateral direction in different positions in the screen longitudinal direction.

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Tokyo, Japan

Tomohiko Naganuma