ARRAY SUBSTRATE, LIQUID CRYSTAL DISPLAY DEVICE AND METHOD FOR MANUFACTURING ARRAY SUBSTRATE

To suppress changes in the characteristics of an oxide semiconductor layer caused by irradiation of the oxide semiconductor layer with visible rays or ultraviolet rays, and to suppress changes in the characteristics of a switching element including an oxide semiconductor layer made of an oxide.SOLUT...

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Bibliographic Details
Main Authors YABIKU HIDEO, IMAMURA KEN
Format Patent
LanguageEnglish
Japanese
Published 31.08.2020
Subjects
DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING
FREQUENCY-CHANGING
NON-LINEAR OPTICS
OPTICAL ANALOGUE/DIGITAL CONVERTERS
OPTICAL LOGIC ELEMENTS
OPTICS
PHYSICS
TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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Summary:To suppress changes in the characteristics of an oxide semiconductor layer caused by irradiation of the oxide semiconductor layer with visible rays or ultraviolet rays, and to suppress changes in the characteristics of a switching element including an oxide semiconductor layer made of an oxide.SOLUTION: An array substrate 101 includes a transparent substrate 120, a switching element 150 and a polarizer 134. The transparent substrate has a first main surface 120a and a second main surface 120b. The second main surface is on an opposite side to the side where the first main surface is present. The switching element includes an oxide semiconductor layer 126. The switching element and the polarizer are disposed on the first main surface. The polarizer is present in an upper layer than the switching element, overlaps the switching element in a plan view in a thickness direction of the transparent substrate, and has a transmission axis extending in a direction perpendicular to the thickness direction of the transparent substrate.SELECTED DRAWING: Figure 3 【課題】可視光線又は紫外線が酸化物半導体層に照射されることに起因する酸化物半導体層の特性の変化を抑制し、酸化物からなる酸化物半導体層を備えるスイッチング素子の特性の変化を抑制する。【解決手段】アレイ基板１０１は、透明基板１２０、スイッチング素子１５０及び偏光子１３４を備える。透明基板は、第１の主面１２０ａ及び第２の主面１２０ｂを有する。第２の主面は、第１の主面がある側とは反対の側にある。スイッチング素子は、酸化物半導体層１２６を備える。スイッチング素子及び偏光子は、第１の主面上に配置される。偏光子は、スイッチング素子より上層にあり、透明基板の厚さ方向から平面視された場合にスイッチング素子と重なり、透明基板の厚さ方向と垂直をなす方向に延びる透過軸を有する。【選択図】図３
Bibliography:Application Number: JP20190023548