JP7317795B2 - 表示装置 - Google Patents
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- JP7317795B2 JP7317795B2 JP2020501864A JP2020501864A JP7317795B2 JP 7317795 B2 JP7317795 B2 JP 7317795B2 JP 2020501864 A JP2020501864 A JP 2020501864A JP 2020501864 A JP2020501864 A JP 2020501864A JP 7317795 B2 JP7317795 B2 JP 7317795B2
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- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
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- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
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- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
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Description
本実施の形態では、本発明の一態様である表示装置、及びその動作方法について、図面を参照して説明する。
<表示装置の構成例>
本実施の形態では、本発明の一態様である表示装置について、図面を参照して説明する。
図16に、表示装置の断面図を示す。図16に示す表示装置は、基板331、基板332、トランジスタ41、導電層46a、導電層46b、絶縁層144、絶縁層45、画素電極121、液晶層122、共通電極123a、導電層123b、導電層222e、配向膜133a、配向膜133b、接着層141、オーバーコート135、遮光層38、偏光板161、偏光板163、バックライトユニット30、FPC172等を有する。
次に、本実施の形態の表示装置の各構成要素に用いることができる材料等の詳細について、説明を行う。
本実施の形態の表示装置が有するトランジスタの半導体層には、酸化物半導体として機能する金属酸化物を用いることが好ましい。以下では、半導体層に適用可能な金属酸化物について説明する。
本実施の形態では、本発明の一態様で開示されるトランジスタに用いることができるCAC(Cloud-Aligned Composite)-OSの構成について説明する。
本実施の形態では、本発明の一態様の電子機器について、図19及び図20を用いて説明する。
Claims (4)
- 第1の画素と、ソースドライバと、リセットスイッチと、を有する表示装置であって、
前記第1の画素は、第1のメモリ回路と、第2のメモリ回路と、第1の液晶素子と、を有し、
前記第1のメモリ回路は、第1のトランジスタと、一方の電極が前記第1のトランジスタを介して第1のデータ線と電気的に接続され、他方の電極が前記第1の液晶素子と電気的に接続されている第1の容量素子と、を有し、
前記第2のメモリ回路は、第2のトランジスタと、一方の電極が前記第2のトランジスタを介して第2のデータ線と電気的に接続され、他方の電極が前記第1の液晶素子と電気的に接続されている第2の容量素子と、を有し、
前記ソースドライバは、前記第1のデータ線及び前記第2のデータ線に画像データを供給する機能と、前記第1のデータ線または前記第2のデータ線に第1の電位を供給する機能と、を有し、
前記リセットスイッチは、前記第1の容量素子の他方の電極及び前記第2の容量素子の他方の電極に第2の電位を供給する機能と、前記第1の容量素子の他方の電極及び前記第2の容量素子の他方の電極をフローティング状態にする機能と、を有する表示装置。 - 第1の画素と、ソースドライバと、リセットスイッチと、を有する表示装置であって、
前記第1の画素は、第1のメモリ回路と、第2のメモリ回路と、第1の液晶素子と、を有し、
前記第1のメモリ回路は、 前記第1のメモリ回路は、第1のトランジスタと、一方の電極が前記第1のトランジスタを介して第1のデータ線と電気的に接続され、他方の電極が前記第1の液晶素子と電気的に接続されている第1の容量素子と、を有し、
前記第2のメモリ回路は、第2のトランジスタと、一方の電極が前記第2のトランジスタを介して第2のデータ線と電気的に接続され、他方の電極が前記第1の液晶素子と電気的に接続されている第2の容量素子と、を有し、
前記ソースドライバは、前記第1のデータ線及び前記第2のデータ線に画像データを供給する機能と、前記第1のデータ線または前記第2のデータ線に第1の電位を供給する機能と、を有し、
前記リセットスイッチは、前記第1の容量素子の他方の電極及び前記第2の容量素子の他方の電極に第2の電位を供給する機能と、前記第1の容量素子の他方の電極及び前記第2の容量素子の他方の電極をフローティング状態にする機能と、を有し、
前記第1の画素では、前記リセットスイッチによって前記第1の容量素子の他方の電極及び前記第2の容量素子の他方の電極に前記第2の電位が供給されているときに、画像データが前記第1のトランジスタを介して前記第1の容量素子に書き込まれ、かつ、画像データが前記第2のトランジスタを介して前記第2の容量素子に書き込まれ、
前記第1の画素では、前記画像データが前記第1の容量素子及び前記第2の容量素子に書き込まれた後、前記リセットスイッチによって前記第1の容量素子の他方の電極及び前記第2の容量素子の他方の電極がフローティング状態にされているときに、前記第1の電位が前記第1のトランジスタを介して前記第1の容量素子の一方の電極に書き込まれ、
前記第1の画素では、前記画像データが前記第1の容量素子及び前記第2の容量素子に書き込まれた後、前記リセットスイッチによって前記第1の容量素子の他方の電極及び前記第2の容量素子の他方の電極がフローティング状態にされているときに、前記第1の電位が前記第2のトランジスタを介して前記第2の容量素子の一方の電極に書き込まれる表示装置。 - 第1の画素と、第2の画素と、ソースドライバと、リセットスイッチと、を有する表示装置であって、
前記第1の画素は、第1のメモリ回路と、第2のメモリ回路と、第1の液晶素子と、を有し、
前記第1のメモリ回路は、第1のトランジスタと、一方の電極が前記第1のトランジスタを介して第1のデータ線と電気的に接続され、他方の電極が前記第1の液晶素子と電気的に接続されている第1の容量素子と、を有し、
前記第2のメモリ回路は、第2のトランジスタと、一方の電極が前記第2のトランジスタを介して第2のデータ線と電気的に接続され、他方の電極が前記第1の液晶素子と電気的に接続されている第2の容量素子と、を有し、
前記第2の画素は、第3のメモリ回路と、第4のメモリ回路と、第2の液晶素子と、を有し、
前記第3のメモリ回路は、第3のトランジスタと、一方の電極が前記第3のトランジスタを介して前記第1のデータ線と電気的に接続され、他方の電極が前記第2の液晶素子と電気的に接続されている第3の容量素子と、を有し、
前記第4のメモリ回路は、第4のトランジスタと、一方の電極が前記第4のトランジスタを介して前記第2のデータ線と電気的に接続され、他方の電極が前記第2の液晶素子と電気的に接続されている第4の容量素子と、を有し、
前記ソースドライバは、前記第1のデータ線に第1の画像データを供給する機能と、前記第2のデータ線に第2の画像データを供給する機能と、前記第1のデータ線または前記第2のデータ線に第1の電位を供給する機能と、を有し、
前記リセットスイッチは、前記第1の容量素子の他方の電極、前記第2の容量素子の他方の電極、前記第3の容量素子の他方の電極、及び前記第4の容量素子の他方の電極に第2の電位を供給する機能と、前記第1の容量素子の他方の電極、前記第2の容量素子の他方の電極、前記第3の容量素子の他方の電極、及び前記第4の容量素子の他方の電極をフローティング状態にする機能と、を有する表示装置。 - 第1の画素と、第2の画素と、ソースドライバと、リセットスイッチと、を有する表示装置であって、
前記第1の画素は、第1のメモリ回路と、第2のメモリ回路と、第1の液晶素子と、を有し、
前記第1のメモリ回路は、第1のトランジスタと、一方の電極が前記第1のトランジスタを介して第1のデータ線と電気的に接続され、他方の電極が前記第1の液晶素子と電気的に接続されている第1の容量素子と、を有し、
前記第2のメモリ回路は、第2のトランジスタと、一方の電極が前記第2のトランジスタを介して第2のデータ線と電気的に接続され、他方の電極が前記第1の液晶素子と電気的に接続されている第2の容量素子と、を有し、
前記第2の画素は、第3のメモリ回路と、第4のメモリ回路と、第2の液晶素子と、を有し、
前記第3のメモリ回路は、第3のトランジスタと、一方の電極が前記第3のトランジスタを介して前記第1のデータ線と電気的に接続され、他方の電極が前記第2の液晶素子と電気的に接続されている第3の容量素子と、を有し、
前記第4のメモリ回路は、第4のトランジスタと、一方の電極が前記第4のトランジスタを介して前記第2のデータ線と電気的に接続され、他方の電極が前記第2の液晶素子と電気的に接続されている第4の容量素子と、を有し、
前記ソースドライバは、前記第1のデータ線に第1の画像データを供給する機能と、前記第2のデータ線に第2の画像データを供給する機能と、前記第1のデータ線または前記第2のデータ線に第1の電位を供給する機能と、を有し、
前記リセットスイッチは、前記第1の容量素子の他方の電極、前記第2の容量素子の他方の電極、前記第3の容量素子の他方の電極、及び前記第4の容量素子の他方の電極に第2の電位を供給する機能と、前記第1の容量素子の他方の電極、前記第2の容量素子の他方の電極、前記第3の容量素子の他方の電極、及び前記第4の容量素子の他方の電極をフローティング状態にする機能と、を有し、
前記第1の画素では、前記リセットスイッチによって前記第1の容量素子の他方の電極及び前記第2の容量素子の他方の電極に前記第2の電位が供給されているときに、画像データが前記第1のトランジスタを介して前記第1の容量素子に書き込まれ、かつ、画像データが前記第2のトランジスタを介して前記第2の容量素子に書き込まれ、
前記第1の画素では、前記画像データが前記第1の容量素子及び前記第2の容量素子に書き込まれた後、前記リセットスイッチによって前記第1の容量素子の他方の電極及び前記第2の容量素子の他方の電極がフローティング状態にされているときに、前記第1の電位が前記第1のトランジスタを介して前記第1の容量素子の一方の電極に書き込まれ、
前記第1の画素では、前記画像データが前記第1の容量素子及び前記第2の容量素子に書き込まれた後、前記リセットスイッチによって前記第1の容量素子の他方の電極及び前記第2の容量素子の他方の電極がフローティング状態にされているときに、前記第1の電位が前記第2のトランジスタを介して前記第2の容量素子の一方の電極に書き込まれる表示装置。
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