JP2016021230A - タッチセンサ、タッチパネル、タッチパネルモジュール及び表示装置 - Google Patents
タッチセンサ、タッチパネル、タッチパネルモジュール及び表示装置 Download PDFInfo
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- JP2016021230A JP2016021230A JP2015122159A JP2015122159A JP2016021230A JP 2016021230 A JP2016021230 A JP 2016021230A JP 2015122159 A JP2015122159 A JP 2015122159A JP 2015122159 A JP2015122159 A JP 2015122159A JP 2016021230 A JP2016021230 A JP 2016021230A
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Abstract
【解決手段】第1の基板21と、トランジスタと、第1の導電膜23と、第2の導電膜と、絶縁膜と、第3の導電膜と、第2の基板31を有するタッチセンサの構成とする。第1の導電膜23は、第1の基板21と第2の導電膜の間に位置する領域を有する。絶縁膜は、第1の導電膜23と第2の導電膜の間に位置する領域を有する。第1の導電膜23と第2の導電膜と絶縁膜は、容量を形成する。トランジスタは、第2の導電膜と電気的に接続する。第2の導電膜は、第3の導電膜と電気的に接続する。
【選択図】図1
Description
本実施の形態では、本発明の一態様のタッチセンサ、タッチセンサを備えるタッチセンサモジュール、タッチパネル、及びタッチパネルモジュール等の構成例について説明する。以下では、タッチセンサとして静電容量方式のタッチセンサを適用した場合について説明する。
図1(A)は、本発明の一態様のタッチパネルモジュール10の斜視概略図である。また図1(B)は、タッチパネルモジュール10を展開したときの斜視概略図である。
図2(A)に、図1(A)中に破線で示す領域を拡大した概略図を示す。
以下では、図1(A)に示すタッチパネルモジュール10の断面構成例について説明する。
図5(A)に、本発明の一態様のタッチパネルモジュールの断面概略図を示す。図5(A)に示すタッチパネルモジュールは、一つの基板上にセンサ回路及び表示素子を有するため、薄型化を図ることができる。
以下では、上記に示す各構成要素について説明する。
ここで、可撓性を有するタッチパネルを作製する方法について説明する。
図6に、図5とは構成の一部の異なる断面構成例を示す。図6(A)に示す構成は、図5(A)で示した構成と比較し、容量素子207の構成が異なる点で主に相違している。なお、図6(A)において、図5(A)と同じものは同じ符号で示している。
本実施の形態では、本発明の一態様のタッチセンサの構成例と、その駆動方法の例について、図面を参照して説明する。
図7(A)は、本発明の一態様のタッチパネル(入出力装置ともいう)が有する構成を説明するブロック図である。図7(B)は、変換器CONVの構成を説明する回路図である。図7(C)はセンサユニット22の構成を説明する回路図である。また図7(D−1)及び図7(D−2)はセンサユニット22の駆動方法を説明するタイミングチャートである。
続いて、図7を参照してセンサユニット22の駆動方法について説明する。
第1のステップにおいて、トランジスタM3を導通状態にした後に非導通状態にするリセット信号を、トランジスタM3のゲートに供給し、容量素子Cの第1の電極の電位(すなわちノードAの電位)を所定の電位にする(図7(D−1)、期間T1参照)。
第2のステップにおいて、トランジスタM2を導通状態にする選択信号をトランジスタM2のゲートに供給し、トランジスタM1の第2の電極を信号線DLに電気的に接続する(図7(D−1)、期間T2参照)。
第3のステップにおいて、制御信号を容量素子Cの第2の電極に供給し、制御信号及び容量素子Cの容量または寄生する容量の大きさに基づいて変化する電位をトランジスタM1のゲートに供給する。
第4のステップにおいて、トランジスタM1のゲートの電位の変化がもたらす信号を信号線DLに供給する。
第5のステップにおいて、トランジスタM2を非導通状態にする選択信号をトランジスタM2のゲートに供給する。
本実施の形態では、本発明の一態様を適用して作製できる電子機器及び照明装置について、図12及び図13を用いて説明する。
BR1 配線
BR2 配線
C 容量素子
CS 配線
DL 信号線
G1 走査線
GD 駆動回路
GND 配線
M1 トランジスタ
M2 トランジスタ
M3 トランジスタ
M4 トランジスタ
M5 トランジスタ
OUT 端子
RES 配線
VDD 配線
VPI 配線
VPO 配線
VRES 配線
10 タッチパネルモジュール
21 基板
22 センサユニット
23 導電膜
24 遮光膜
25 着色膜
25b 着色膜
25g 着色膜
25r 着色膜
26 光学調整膜
27 絶縁膜
31 基板
32 表示部
33 画素
34 センサ回路部
35 回路
36 回路
37 回路
38 配線
39 配線
41 FPC
42 FPC
43 端子
201 トランジスタ
202 トランジスタ
203 トランジスタ
204 トランジスタ
205 トランジスタ
206 発光素子
207 容量素子
208 コンタクト部
209 コンタクト部
211 接着膜
212 絶縁膜
213 導電膜
214 絶縁膜
215 半導体膜
216 導電膜
217 絶縁膜
218 絶縁膜
219 絶縁膜
220 導電膜
221 絶縁膜
222 導電膜
222a 導電膜
223 絶縁膜
224 導電膜
225 導電膜
226 EL層
227 導電膜
228 光学調整膜
229 絶縁膜
230 スペーサ
231 導電性粒子
232 接続膜
260 接続膜
261 接続膜
262 接着膜
263 絶縁膜
264 接着膜
310 携帯情報端末
313 ヒンジ
315 筐体
316 表示パネル
320 携帯情報端末
322 表示部
325 非表示部
330 携帯情報端末
333 表示部
335 筐体
336 筐体
337 情報
339 操作ボタン
340 携帯情報端末
345 携帯情報端末
354 筐体
355 情報
356 情報
357 情報
358 表示部
7100 携帯情報端末
7101 筐体
7102 表示部
7103 バンド
7104 バックル
7105 操作ボタン
7106 入出力端子
7107 アイコン
7200 照明装置
7201 台部
7202 発光部
7203 操作スイッチ
7210 照明装置
7212 発光部
7220 照明装置
7222 発光部
7300 タッチパネル
7301 筐体
7302 表示部
7303 操作ボタン
7304 部材
7305 制御部
7400 携帯電話機
7401 筐体
7402 表示部
7403 操作ボタン
7404 外部接続ポート
7405 スピーカ
7406 マイク
Claims (6)
- 第1のトランジスタと、第1の導電膜と、第2の導電膜と、絶縁膜と、第2のトランジスタと、表示素子と、第3の導電膜と、第1の基板と、第2の基板と、を有するタッチパネルであって、
前記第1のトランジスタと、前記第1の導電膜と、前記第2の導電膜と、前記絶縁膜と、前記第2のトランジスタと、前記表示素子とは、前記第1の基板に設けられ、
前記第3の導電膜は、前記第2の基板に設けられ、
前記第1の基板と、前記第2の基板とは、互いに重なる領域を有し、
前記第1の導電膜は、前記第1の基板と前記第2の導電膜の間に位置する領域を有し、
前記絶縁膜は、前記第1の導電膜と前記第2の導電膜の間に位置する領域を有し、
前記第1の導電膜と前記第2の導電膜と前記絶縁膜は、容量を形成し、
前記第1のトランジスタは、前記第2の導電膜と電気的に接続され、
前記第2の導電膜は、前記第3の導電膜と電気的に接続され、
前記第2のトランジスタは、前記表示素子と電気的に接続され、
前記第1のトランジスタは、前記第2のトランジスタと同じ工程から形成される、
タッチパネル。 - 請求項1において、
第1の膜と、第2の膜と、を有し、
前記第1の基板と前記第2の基板の間に、前記第1の膜と、前記第2の膜と、を有し、
前記第1の膜は、特定波長帯域の光を透過する機能を有し、且つ、前記表示素子と互いに重なる領域を有し、
前記第2の膜は、可視光を遮光する機能を有し、
前記第3の導電膜は、前記第1の膜と互いに重なる領域と、前記第2の膜と互いに重なる領域と、を有する、
タッチパネル。 - 請求項1または請求項2において、
導電性粒子を有し、
前記第2の導電膜は、前記導電性粒子を介して、前記第3の導電膜と電気的に接続する、
タッチパネル。 - 請求項1乃至請求項3のいずれか一において、
前記表示素子は、発光素子である、
タッチパネル。 - 請求項1乃至請求項4のいずれか一において、
前記第1の基板及び前記第2の基板は、それぞれ可撓性を有する、
タッチパネル。 - 請求項1乃至請求項5のいずれか一に記載のタッチパネルと、
第1のFPCと、第2のFPCと、を有し、
前記第1のFPCは、前記第1の導電膜または前記第2の導電膜の少なくとも一方に信号を供給する機能を有し、
前記第2のFPCは、前記表示素子に信号を供給する機能を有する、
タッチパネルモジュール。
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JP2019120829A (ja) * | 2018-01-09 | 2019-07-22 | 株式会社ジャパンディスプレイ | 表示装置および表示装置の製造方法 |
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Also Published As
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JP2020166880A (ja) | 2020-10-08 |
JP6903795B2 (ja) | 2021-07-14 |
US20150372026A1 (en) | 2015-12-24 |
US9455281B2 (en) | 2016-09-27 |
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