Sharp Kabushiki Kaisha Corporation

Kiyoshi Inada

Motoji Shiota

Yasunobu Tagusa

Hirokazu Yoshida

Takashi Matsui

Masayuki Hata

Yuji Yamamoto

Masahiro Kihara

Hideaki Takizawa

Mikihiro Noma

Toshiaki Fujihara

Yoshihisa Dotta

Tomotoshi Tsujioka

Kohji Yabuta

Kosuke Nagata

Takashi Nakashima

Hideshi Makita

Hiroshi Shimokawa

Takayuki Kanaya

Akihiro Kawashima

Hidemi Akiyama

A liquid crystal display device includes a liquid crystal display panel, a functional panel, a photo curable adhesive, a transparent electrode, and a light blocking line. The liquid crystal panel includes a display area to display an image and a non-display area surrounding the display area. The functional panel is attached to the liquid crystal panel, and includes a display overlapping area overlapping with the display area and a display non-overlapping area overlapping with the non-display area in a plan view. The photo curable adhesive is arranged between the panels and cured by light applied thereto. The transparent electrode is arranged in the display overlapping area and made of light transmissive conductive material. The light blocking line is arranged in the display non-overlapping area and made of light shielding metal material. The light blocking line partially has a light-transmission cutout that is configured to allow the light to pass therethrough.

Display device

In the manufacturing step of performing thermal compression bonding with respect to a driving integrated circuit and a glass substrate included in a liquid crystal panel so as to connect an electrode of the driving integrated circuit and an electrode of the glass substrate by using an anisotropic conductive adhesive in which conductive particles are diffused in an insulative adhesive, the anisotropic conductive adhesive includes conductive particles, a resin a whose average molecular weight is in a range of from 10000 to 100000, a resin b whose average molecular weight is of not more than 1000, a stress relaxation resin, and a curing agent; and a Young's modulus of the anisotropic conductive adhesive after curing is in a range of from 1.4 Gpa to 1.6 Gpa.

Liquid crystal display device and the manufacturing method thereof with an anisotropic conductive adhesive

A method for producing a reflection-type liquid crystal display device includes the steps of forming an ITO layer in the first substrate; patterning the ITO layer to form the top layer in the at least one of the terminal sections; forming a first protective layer so as to cover the top layer; forming a metal layer mainly formed of aluminum so as to cover the first protective layer; and at least partially removing the metal layer and the first protective layer to form a reflective section from the metal layer and expose only the flat area of the top surface of the top layer in the at least one of the terminal sections. Before the step of forming the first protective layer, only the flat area of the top surface of the layer is exposed in at least one of the terminal sections so as to allow the first protective layer to contact the top layer along only the flat area.

Reflection-type liquid crystal display device, method for producing the same, and method for producing circuit board

A liquid crystal display device according to the present invention includes a substrate provided with a line pattern, and a circuit element electrically connected to the line pattern via a conductive layer. The line pattern has at least one bonding pad. The circuit element has at least one electrode pad. The at least one electrode pad has a plurality of bump electrodes provided thereon. The at least one electrode pad is electrically connected to the at least one bonding pad via the conductive layer which is provided between the plurality of bump electrodes and the bonding pad facing the plurality of bump electrodes, where the conductive layer is an insulative material having conductive particles dispersed throughout.

Liquid crystal display device including plural bump electrodes

A display board has wirings on a surface thereof for transmitting a signal received from outside at a peripheral portion of the display board to a display area of the display board. Each wiring has a first conductive film formed of a first material and disposed on the surface of the display board, a second conductive film which is formed of a second material satisfying a condition that a surface of the second conductive film is less prone to oxidation than a surface of the first conductive film and which is disposed on a part of the first conductive film, and a transparent conductive film which is an oxide film and which is disposed on at least the second conductive film. Those first conductive film, second conductive film and transparent film constitute a three-layered structure portion of the wiring.

Display board having wiring with three-layered structure and a display

A display device includes unit cells, each including a thin film transistor and a pixel, arrayed in a matrix form on a display board. First switching elements are provided at intersections between signal conductor lines and scanning conductor lines, scanning conductor line drive elements driving the scanning conductor lines. Finally, second switching elements are included, one provided between each scanning conductor line and scanning conductor line drive element. Each second switching element is put into an open state in synchronization with a fall in level of an input video signal provided to a signal conductor line to electrically disconnect the corresponding scanning conductor line from the scanning conductor line drive element. Thus, the scanning conductor line drive element is not affected by instantaneous voltage drop on the corresponding scanning conductor line.

Display having a switching element for disconnecting a scanning

In a liquid crystal display apparatus, in order to reduce the size and weight, an integrated circuit for driving a liquid crystal is mounted on the glass substrate including the liquid crystal panel either directly or by way of a tape carrier. That is, two glass substrates of liquid crystal panel are mutually overlapped with an offset, and a liquid crystal material is injected into the overlapping regions of the two glass substrates, and liquid crystal display is effected in this region. Further, in the non-overlapping region of the two glass substrates, the integrated circuit is connected either directly or by way of a tape carrier. On the glass substrates, electrodes for varying the optical characteristics of the liquid crystals are provided, and the integrated circuit drives the liquid crystal by controlling the voltage applied to the electrodes. Further transparent insulation films are formed usually formed on the electrodes. The transparent insulation films are also formed in the non-overlapping region of the glass substrates. Since the transparent insulation films are finely patterned by photolithography, they may be selectively formed on the portions where defective insulation is likely to occur between the wiring conductors following the integrated circuit from the electrodes, or between the integrated circuit and the peripheral portion of the connecting part.

Display device having an improvement in insulating between conductors

Growing community of inventors

Joyo, Japan

Kiyoshi Inada