JP7245788B2 - 表示装置 - Google Patents
表示装置 Download PDFInfo
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- JP7245788B2 JP7245788B2 JP2019568838A JP2019568838A JP7245788B2 JP 7245788 B2 JP7245788 B2 JP 7245788B2 JP 2019568838 A JP2019568838 A JP 2019568838A JP 2019568838 A JP2019568838 A JP 2019568838A JP 7245788 B2 JP7245788 B2 JP 7245788B2
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Images
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136286—Wiring, e.g. gate line, drain line
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- 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
- 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
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3685—Details of drivers for data electrodes
- G09G3/3688—Details of drivers for data electrodes suitable for active matrices only
-
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- G09G2320/0214—Crosstalk reduction, i.e. to reduce direct or indirect influences of signals directed to a certain pixel of the displayed image on other pixels of said image, inclusive of influences affecting pixels in different frames or fields or sub-images which constitute a same image, e.g. left and right images of a stereoscopic display with crosstalk due to leakage current of pixel switch in active matrix panels
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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について、図面を参照して説明する。
また、上述の画像データの出力後、トランジスタ107を非導通とすれば配線126[m]はフローティングとなり、配線126[m]に画像データ(DATA)が保持される。トランジスタ108を非導通とすれば配線125[m]はフローティングとなり、配線125[m]に画像データ(DATA)が保持される。
本実施の形態では、液晶素子を用いた表示素子の構成例と、EL素子を用いた表示装置の構成例について説明する。なお、本実施の形態においては、実施の形態1で説明した表示装置の要素、動作および機能の説明は省略する。
本実施の形態では、上記実施の形態に示した各トランジスタに置き換えて用いることのできるトランジスタの一例について、図面を用いて説明する。
図20(A1)は、ボトムゲート型のトランジスタの一種であるチャネル保護型のトランジスタ810のチャネル長方向の断面図である。図20(A1)において、トランジスタ810は基板771上に形成されている。また、トランジスタ810は、基板771上に絶縁層772を介して電極746を有する。また、電極746上に絶縁層726を介して半導体層742を有する。電極746はゲート電極として機能できる。絶縁層726はゲート絶縁層として機能できる。
図22(A1)に例示するトランジスタ842は、トップゲート型のトランジスタの1つである。電極744aおよび電極744bは、絶縁層728および絶縁層729に形成した開口部において半導体層742と電気的に接続する。
本発明の一態様に係る表示装置を用いることができる電子機器として、表示機器、パーソナルコンピュータ、記録媒体を備えた画像記憶装置または画像再生装置、携帯電話、携帯型を含むゲーム機、携帯データ端末、電子書籍端末、ビデオカメラ、デジタルカメラ等のカメラ、ゴーグル型ディスプレイ(ヘッドマウントディスプレイ)、ナビゲーションシステム、音響再生装置(カーオーディオ、デジタルオーディオプレイヤー等)、複写機、ファクシミリ、プリンタ、プリンタ複合機、現金自動預け入れ払い機(ATM)、自動販売機などが挙げられる。これら電子機器の具体例を図24に示す。
Claims (11)
- 第1の回路と、画素と、配線と、を有し、
前記第1の回路は、前記配線にデータを供給する機能、および前記配線をフローティングとして前記データを保持する機能を有し、
前記画素は、前記配線から前記データを2回取り込んで加算する機能を有し、
前記画素は、前記配線に前記データが供給されている期間に1回目の前記データの書き込みを行い、
前記画素は、前記配線に前記データが保持されている期間に2回目の前記データの書き込みを行うことができる表示装置。 - 第1の回路と、第1の画素と、第2の画素と、第1の配線と、第2の配線と、を有し、
前記第1の回路は、前記第1の配線に第1のデータを供給する機能、および前記第1の配線をフローティングとして前記第1のデータを保持する機能を有し、
前記第1の回路は、前記第2の配線に第2のデータを供給する機能、および前記第2の配線をフローティングとして前記第2のデータを保持する機能を有し、
前記第1の画素は、前記第1の配線から前記第1のデータを2回取り込んで加算する機能を有し、
前記第2の画素は、前記第2の配線から前記第2のデータを2回取り込んで加算する機能を有し、
前記第1の画素は、前記第1の配線に前記第1のデータが供給されている期間に1回目の前記第1のデータの書き込みを行い、
前記第1の画素は、前記第1の配線に前記第1のデータが保持されている期間に2回目の前記第1のデータの書き込みを行い、
前記第2の画素は、前記第2の配線に前記第2のデータが供給されている期間に1回目の前記第2のデータの書き込みを行い、
前記第2の画素は、前記第2の配線に前記第2のデータが保持されている期間に2回目の前記第2のデータの書き込みを行い、
前記第1の画素が2回目の前記第1のデータの書き込みを行う期間と、前記第2の画素が1回目の前記第2のデータの書き込みを行う期間を重ねることができる表示装置。 - 請求項2において、
さらに第3の配線と、第4の配線と、第5の配線と、を有し、
前記第3の配線は、前記第1の画素を選択する信号電位を供給する機能を有し、
前記第4の配線は、前記第1の画素を選択する信号電位を供給する機能を有し、
前記第4の配線は、前記第2の画素を選択する信号電位を供給する機能を有し、
前記第5の配線は、前記第2の画素を選択する信号電位を供給する機能を有する表示装置。 - 第1の回路と、第1の画素と、第2の画素と、第1の配線と、第2の配線と、第3の配線と、第4の配線と、第5の配線と、を有し、
前記第1の回路は、前記第1の配線と電気的に接続され、
前記第1の回路は、前記第2の配線と電気的に接続され、
前記第1の画素および前記第2の画素は、第1のトランジスタと、第2のトランジスタと、第3のトランジスタと、第1の容量素子と、回路ブロックと、を有し、
前記第1のトランジスタのソースまたはドレインの一方は、前記第2のトランジスタのソースまたはドレインの一方と電気的に接続され、
前記第2のトランジスタのソースまたはドレインの一方は、前記第1の容量素子の一方の電極と電気的に接続され、
前記第1の容量素子の他方の電極は、前記第3のトランジスタのソースまたはドレインの一方と電気的に接続され、
前記第3のトランジスタのソースまたはドレインの一方は、前記回路ブロックと電気的に接続され、
前記第1の画素において、
前記第1のトランジスタのソースまたはドレインの他方は、前記第1の配線に電気的に接続され、
前記第3のトランジスタのソースまたはドレインの他方は、前記第1の配線に電気的に接続され、
前記第1のトランジスタのゲートは、前記第4の配線と電気的に接続され、
前記第2のトランジスタのゲートは、前記第3の配線と電気的に接続され、
前記第3のトランジスタのゲートは、前記第3の配線と電気的に接続され、
前記第2の画素において、
前記第1のトランジスタのソースまたはドレインの他方は、前記第2の配線に電気的に接続され、
前記第3のトランジスタのソースまたはドレインの他方は、前記第2の配線に電気的に接続され、
前記第1のトランジスタのゲートは、前記第5の配線と電気的に接続され、
前記第2のトランジスタのゲートは、前記第4の配線と電気的に接続され、
前記第3のトランジスタのゲートは、前記第4の配線と電気的に接続され、
前記回路ブロックは、表示素子を有する表示装置。 - 請求項4において、
さらに第2の容量素子と、第3の容量素子と、を有し、
前記第2の容量素子の一方の電極は、前記第1の配線と電気的に接続され、
前記第3の容量素子の一方の電極は、前記第2の配線と電気的に接続される表示装置。 - 請求項4または5において、
前記第1の回路は、ソースドライバと電気的に接続され、
前記第3の配線乃至前記第5の配線は、ゲートドライバと電気的に接続されている表示装置。 - 請求項4乃至6のいずれか一項において、
前記第1の回路は、第4のトランジスタと、第5のトランジスタと、を有し、
前記第4のトランジスタのソースまたはドレインの一方は、前記第1の配線と電気的に接続され、
前記第5のトランジスタのソースまたはドレインの一方は、前記第2の配線と電気的に接続され前記第4のトランジスタのソースまたはドレインの他方および前記第5のトランジスタのソースまたはドレインの他方は、電気的に接続されている表示装置。
- 請求項4乃至7のいずれか一項において、
前記回路ブロックは、第6のトランジスタと、第7のトランジスタと、第4の容量素子と、前記表示素子として有機EL素子と、を有し、
前記有機EL素子の一方の電極は、前記第7のトランジスタのソースまたはドレインの一方と電気的に接続され、
前記第7のトランジスタのソースまたはドレインの他方は、前記第4の容量素子の一方の電極と電気的に接続され、
前記第4の容量素子の一方の電極は、前記第6のトランジスタのソースまたはドレインの一方と電気的に接続され、
前記第6のトランジスタのゲートは、前記第4の容量素子の他方の電極と電気的に接続され、
前記第4の容量素子の他方の電極は、前記第1の容量素子の一方の電極と電気的に接続されている表示装置。 - 請求項8において、
前記第6のトランジスタのソースまたはドレインの他方は、前記第2のトランジスタのソースまたはドレインの他方と電気的に接続されている表示装置。 - 請求項4乃至7のいずれか一項において、
前記回路ブロックは、第8のトランジスタと、第5の容量素子と、前記表示素子として液晶素子と、を有し、
前記液晶素子の一方の電極は、前記第5の容量素子の一方の電極と電気的に接続され、
前記第5の容量素子の一方の電極は、前記第8のトランジスタのソースまたはドレインの一方と電気的に接続され、
前記第8のトランジスタのソースまたはドレインの他方は、前記第1の容量素子の一方の電極と電気的に接続されている表示装置。 - 請求項10において、
前記第5の容量素子の他方の電極は、前記第2のトランジスタのソースまたはドレインの他方と電気的に接続されている表示装置。
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US11355082B2 (en) | 2022-06-07 |
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JP2023085306A (ja) | 2023-06-20 |
US20200357354A1 (en) | 2020-11-12 |
KR20200110420A (ko) | 2020-09-23 |
CN111656430A (zh) | 2020-09-11 |
CN115202115A (zh) | 2022-10-18 |
US20220180834A1 (en) | 2022-06-09 |
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KR20230164225A (ko) | 2023-12-01 |
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