JP4620142B2 - キーパッド装置 - Google Patents
キーパッド装置 Download PDFInfo
- Publication number
- JP4620142B2 JP4620142B2 JP2008100476A JP2008100476A JP4620142B2 JP 4620142 B2 JP4620142 B2 JP 4620142B2 JP 2008100476 A JP2008100476 A JP 2008100476A JP 2008100476 A JP2008100476 A JP 2008100476A JP 4620142 B2 JP4620142 B2 JP 4620142B2
- Authority
- JP
- Japan
- Prior art keywords
- keypad
- light guide
- guide plate
- keypad device
- metal dome
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 229910052751 metal Inorganic materials 0.000 claims description 20
- 239000002184 metal Substances 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 16
- 239000000853 adhesive Substances 0.000 claims description 12
- 230000001070 adhesive effect Effects 0.000 claims description 12
- 239000010410 layer Substances 0.000 claims description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 239000011241 protective layer Substances 0.000 claims description 5
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 4
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 4
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 4
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 4
- 239000010409 thin film Substances 0.000 claims description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 3
- 235000012239 silicon dioxide Nutrition 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- 239000004417 polycarbonate Substances 0.000 claims description 2
- 229920000515 polycarbonate Polymers 0.000 claims description 2
- -1 polyethylene terephthalate Polymers 0.000 claims description 2
- 239000004408 titanium dioxide Substances 0.000 claims 1
- XBBRGUHRZBZMPP-UHFFFAOYSA-N 1,2,3-trichloro-4-(2,4,6-trichlorophenyl)benzene Chemical compound ClC1=CC(Cl)=CC(Cl)=C1C1=CC=C(Cl)C(Cl)=C1Cl XBBRGUHRZBZMPP-UHFFFAOYSA-N 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000758 substrate Substances 0.000 description 3
- 239000002313 adhesive film Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- ARXHIJMGSIYYRZ-UHFFFAOYSA-N 1,2,4-trichloro-3-(3,4-dichlorophenyl)benzene Chemical compound C1=C(Cl)C(Cl)=CC=C1C1=C(Cl)C=CC(Cl)=C1Cl ARXHIJMGSIYYRZ-UHFFFAOYSA-N 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001690 polydopamine Polymers 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
Images
Description
11 キー
12、150 LED
21 光源
22、120 導光板
23、121 パターン
33 接着フィルム
34、130 ドームシート
35、131 メタルドーム
36、140 PCB
110 キーパッド
160 台座
170 保護層
341 ドームシートの表面
Claims (10)
- キーパッド装置であって、
一定の規則に沿って配列された複数のキーを備えたキーパッドと、
キーパッドの下方に設けられ、下面に複数のパターン121が印刷された導光板と、
導光板の一面でキーパッドの反対側に設けられ、上記のキーとパターンに対応する複数のメタルドームを有するメタルドーム層と、
導光板の一側に設けられた少なくとも1つのLEDとを含み、
上記パターンは接着材と反射材を含み、
上記メタルドームはそれぞれ上記パターンに直接貼付けられることを特徴とするキーパッド装置。 - 前記導光板は板材と薄膜のいずれかであることを特徴とする請求項1記載のキーパッド装置。
- 前記板材の材質はポリメタクリル酸メチル(PMMA)であることを特徴とする請求項2記載のキーパッド装置。
- 前記薄膜の材質はポリカーボネート(PC)とポリエチレンテレフタレート(PET)のいずれかであることを特徴とする請求項2記載のキーパッド装置。
- 前記接着材は接着剤であることを特徴とする請求項1記載のキーパッド装置。
- 前記反射材は二酸化珪素と二酸化チタンのいずれかであることを特徴とする請求項1記載のキーパッド装置。
- 前記複数のパターンはキーの配列規則と合致することを特徴とする請求項1記載のキーパッド装置。
- 前記導光板とメタルドームの間には、メタルドームとの接触による導光板の損傷を防ぐ保護層が設けられていることを特徴とする請求項1記載のキーパッド装置。
- 前記キーパッド装置は更にプリント回路基板(PCB)を含み、前記キーパッド、導光板、保護層、メタルドーム層、及びPCBは上から下へ順次組み立てられることを特徴とする請求項8記載のキーパッド装置。
- 前記キーパッド装置は更にプリント回路基板(PCB)を含み、前記キーパッド、導光板、メタルドーム層、及びPCBは上から下へ順次組み立てられることを特徴とする請求項1記載のキーパッド装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008100476A JP4620142B2 (ja) | 2008-04-08 | 2008-04-08 | キーパッド装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008100476A JP4620142B2 (ja) | 2008-04-08 | 2008-04-08 | キーパッド装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009252589A JP2009252589A (ja) | 2009-10-29 |
JP4620142B2 true JP4620142B2 (ja) | 2011-01-26 |
Family
ID=41313097
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008100476A Active JP4620142B2 (ja) | 2008-04-08 | 2008-04-08 | キーパッド装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4620142B2 (ja) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03130331U (ja) * | 1990-04-10 | 1991-12-27 | ||
JP2001167655A (ja) * | 1999-12-09 | 2001-06-22 | Citizen Electronics Co Ltd | 押ボタンスイッチの照明装置 |
JP2008060058A (ja) * | 2006-08-03 | 2008-03-13 | Citizen Electronics Co Ltd | 発光シートモジュール |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW200710570A (en) * | 2005-05-31 | 2007-03-16 | Taiyo Ink Mfg Co Ltd | Composition for forming adhesive pattern, multilayer structure obtained by using same, and method for producing such multilayer structure |
-
2008
- 2008-04-08 JP JP2008100476A patent/JP4620142B2/ja active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03130331U (ja) * | 1990-04-10 | 1991-12-27 | ||
JP2001167655A (ja) * | 1999-12-09 | 2001-06-22 | Citizen Electronics Co Ltd | 押ボタンスイッチの照明装置 |
JP2008060058A (ja) * | 2006-08-03 | 2008-03-13 | Citizen Electronics Co Ltd | 発光シートモジュール |
Also Published As
Publication number | Publication date |
---|---|
JP2009252589A (ja) | 2009-10-29 |
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