ELECTRO-OPTIC DEVICE, METHOD FOR MEASURING CHARACTERISTIC OF ELECTRO-OPTIC DEVICE, AND SEMICONDUCTOR CHIP

PROBLEM TO BE SOLVED: To provide an electro-optic device that suppresses increase in a test time and suppresses increase in a manufacturing cost.SOLUTION: The electro-optic device includes: a display unit 11 having a plurality of pixel circuits 11a each including a drive transistor Tm and a light-em...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: NISHINOHARA DAISUKE, MARUO AKIMASA
Format: Patent
Sprache:eng ; jpn
Schlagworte:
Online-Zugang:Volltext bestellen
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To provide an electro-optic device that suppresses increase in a test time and suppresses increase in a manufacturing cost.SOLUTION: The electro-optic device includes: a display unit 11 having a plurality of pixel circuits 11a each including a drive transistor Tm and a light-emitting element OLED that emits light responding to a current output from the drive transistor Tm when a voltage is applied to a gate terminal G of the drive transistor Tm; and a test unit 15 that controls an electric connection to the gate terminal G of each drive transistor Tm in the plurality of pixel circuits 11a through a switch SW1, and that, when the test unit is electrically connected to the gate terminal G of each drive transistor Tm in the plurality of pixel circuits 11a, applies a test voltage to the gate terminal G of each drive transistor Tm in the plurality of pixel circuits 11a. 【課題】テスト時間の増大を抑制し、製造コストの増加を抑制した電気光学装置を提供する。【解決手段】駆動トランジスタTmと、駆動トランジスタTmのゲート端子Gに電圧が印加された場合に駆動トランジスタTmから出力される電流に応じて発光する発光素子OLEDと、を備えた画素回路11aを複数有する表示部11と、複数の画素回路11aにおける駆動トランジスタ11aの各々のゲート端子Gとの電気的な接続がスイッチSW1により制御され、複数の画素回路11aの各々の駆動トランジスタTmのゲート端子Gと電気的に接続された場合には、複数の画素回路11aにおける各々の駆動トランジスタTmのゲート端子Gにテスト電圧を印加するテスト部15と、を有する。【選択図】図2