Japan Display Inc.

Hitachi Displays, Ltd.

Panasonic Liquid Crystal Display Co., Ltd.

Masato Shimura

Tomokazu Ishikawa

Tomonori Nishino

Satoshi Hashimoto

Yuki Kuramoto

Toshiki Asakura

Makiko Imabayashi

Shinichi Komura

Tohru Sasaki

Hirotaka Imayama

Jun Gotoh

Hideki Shiina

Takanori Nakayama

Tomoya Sugano

Hiroshi Miyairi

Shunsuke Yuge

Masato Ai

In order to avoid generation of black unevenness caused by the water intrusion into a liquid crystal display device, there is to provide a liquid crystal display device including a display area and a terminal portion, in which a TFT substrate with an organic passivation film formed and an opposite substrate are adhered to each other by a seal portion and a liquid crystal is enclosed there, wherein in the seal portion of the TFT substrate, a groove-shaped through-hole is formed in the organic passivation film to surround the display area, a water absorption layer formed of the same material in the same process as that of the organic passivation film is formed within the groove-shaped through-hole, and the water absorption layer is not covered with the inorganic insulating film.

Liquid crystal display device

To improve the reliability of a liquid crystal display device, a liquid crystal display device includes a first substrate a second substrate opposing the first substrate, a liquid crystal layer arranged between the first and second substrates, and a sealing section arranged around the liquid crystal layer. The sealing section includes a member arranged around the liquid crystal layer and extending along an outer edge of the liquid crystal layer in a plan view and a sealing material arranged on both adjacent sides of the member and continuously surrounding a periphery of the liquid crystal layer in a plan view. Further, the first substrate has an oriented film formed on a back surface and a part of the sealing material overlaps a peripheral edge of the oriented film in a thickness direction on a side of the liquid crystal layer of the member.

Method for manufacturing liquid crystal display device and liquid crystal display device

In order to avoid generation of black unevenness caused by the water intrusion into a liquid crystal display device, there is to provide a liquid crystal display device including a display area and a terminal portion, in which a TFT substrate with an organic passivation film formed and an opposite substrate are adhered to each other by a seal portion and a liquid crystal is enclosed there, wherein in the seal portion of the TFT substrate, a groove-shaped through-hole is formed in the organic passivation film to surround the display area, a water absorption layer formed of the same material in the same process as that of the organic passivation film is formed within the groove-shaped, through-hole, and the water absorption layer is not covered with the inorganic insulating film.

There is achieved a liquid crystal display device having a smaller picture frame region and a seal part of improved reliability. A liquid crystal display device includes a TFT substrate having a display region and a terminal region and formed with an organic passivation film, a counter substrate attached to the TFT substrate through a seal part, and a liquid crystal contained inside the seal part. A hole is formed at a predetermined pitch on the organic passivation film of the TFT substrate corresponding to the seal part when viewed on a plane. When the hole is viewed on a plane, a shortest distance from the hole to the hole is four micrometers or greater and 12 micrometers or less at a height of h=0.9&#xd7;hfrom a bottom face of the hole, where a depth of the hole is defined as h

In order to avoid generation of black unevenness caused by the water intrusion into a liquid crystal display device, there is to provide a liquid crystal display device including a display area and a terminal portion, in which a TFT substrate with an organic passivation film formed, and an opposite substrate are adhered to each other by a seal portion and a liquid crystal is enclosed there, wherein in the seal portion of the TFT substrate, a groove-shaped through-hole is formed in the organic passivation film to surround the display area, a water absorption layer formed of the same material in the same process as that of the organic passivation film is formed within the groove-shaped through-hole, and the water absorption layer is not covered with the inorganic insulating film.

In a high-resolution liquid crystal display device, measures against display unevenness caused by generation of a region where no alignment film is applied are provided. A liquid crystal display device includes a pixel formed between a scanning line and a video signal line. The pixel includes a TFT, a pixel electrode, and a contact hole connecting the TFT and the pixel electrode. The contact hole is formed in an insulation film formed between the pixel electrode and the TFT. Assuming that a horizontal pitch of the video signal line is ph and a horizontal diameter of the contact hole is dh, ph is 26 &#x3bc;m or less and s/ph is 0.73 or more where s=ph&#x2212;dh. A tapered angle of a sidewall of the contact hole is 53 degrees or less. A thickness of an alignment film over the pixel electrode is 110 nm or more.

A liquid crystal display device includes a bank on a first substrate and surrounding an image display area, a first alignment film on the first substrate, a second alignment film on a second substrate, and a sealing member to seal the liquid crystal material between the first and the second alignment films. The bank has a shape in which a slope of an inside surface standing from an inner peripheral lower end on a side of the image display area is steeper than a slope of an outside surface standing from an outer peripheral lower end on an opposite side to the image display area. The first alignment film contacts the inside surface of the bank and is provided in the image display area. The sealing member passes over the outside surface of the bank in a direction toward the inside surface and overlaps the bank.

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Tokyo, Japan

Masato Shimura