WO2009009923A1 - Plaque guide de lumière et son clavier appliqué - Google Patents
Plaque guide de lumière et son clavier appliqué Download PDFInfo
- Publication number
- WO2009009923A1 WO2009009923A1 PCT/CN2007/002166 CN2007002166W WO2009009923A1 WO 2009009923 A1 WO2009009923 A1 WO 2009009923A1 CN 2007002166 W CN2007002166 W CN 2007002166W WO 2009009923 A1 WO2009009923 A1 WO 2009009923A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- light guide
- button
- plastic sheet
- main board
- keyboard
- Prior art date
Links
- 239000000463 material Substances 0.000 claims abstract description 8
- 238000002834 transmittance Methods 0.000 claims abstract description 8
- 239000000084 colloidal system Substances 0.000 claims abstract description 6
- 239000002985 plastic film Substances 0.000 claims description 24
- 239000004033 plastic Substances 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000007649 pad printing Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/83—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard characterised by legends, e.g. Braille, liquid crystal displays, light emitting or optical elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2219/00—Legends
- H01H2219/054—Optical elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2219/00—Legends
- H01H2219/054—Optical elements
- H01H2219/056—Diffuser; Uneven surface
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/22—Illumination; Arrangements for improving the visibility of characters on dials
Definitions
- the present invention relates to a light guide sheet and a keyboard for use thereof, which are widely used in the fields of electronic and communication products, such as a mobile phone keyboard, a home appliance keyboard, and the like.
- a mobile phone keyboard structure is disclosed, wherein the mobile phone keyboard structure is composed of a button 1 ′, a light guide 2 , a main board 3 , and the like, and the light guide 2 is interposed between the keys 1 and
- the main board 3 is provided with a plurality of convex switches 31, and the conventional light guide sheet 2 is usually made of a plastic sheet, and the upper and lower sides are smooth.
- the button 1 is directed toward the light guide sheet 2, and the surface of the button 1 must be provided with the bumps 11 corresponding to the convex switches 31 on the keyboard main board 3', so as to effectively touch the main board 3,
- the convex switch 31, if it is to be assembled, on the one hand, in the case where the light guide sheet 2 is separated by the bump 11, the main board 3 is pointed out, and the corresponding convex switch 3 ⁇ is difficult to be aligned, so that not only the misalignment phenomenon occurs. As a result, defective products occur, and at the same time, they are very labor-intensive and have low production efficiency.
- the conventional light guide 2 has a smooth design on both sides, which has certain limitations on the shape of the button 1', for example, a flat button cannot be used. Applicable, in addition to various factors, bring some trouble to the production of the industry. SUMMARY OF THE INVENTION
- the present invention is directed to the above-mentioned prior art, and the main purpose thereof is to provide a light guide sheet and a keyboard thereof, wherein the design of the bump formed on the light guide sheet facilitates the assembly of the keyboard, and Different types of button structures can be selected for cooperation.
- a light guide sheet comprising a high transmittance plastic sheet body, wherein a lower surface of the plastic sheet body is provided with a plurality of protrusions formed by a photo-curable colloidal material, and the upper surface of the plastic sheet body is provided one by one An ink layer that corresponds to a bump and acts as a light guide.
- a keyboard made by applying the above-mentioned light guide sheet comprises a button, a light guide plate and a main board, wherein the light guide sheet is disposed between the motherboard and the main board, and the main board is provided with a plurality of convex switches, the light guide sheet
- the utility model comprises a plastic sheet body with high light transmittance, wherein: the upper surface of the plastic sheet body is provided with a protrusion formed by a photo-curable colloid material corresponding to each convex switch on the keyboard main board, and the protrusion and the protrusion are formed. The switch is aligned; and the lower surface of the plastic sheet body is provided with a pair of ink layers which should protrude from each other and function as a light guide.
- the button is provided with a key cap; the button is facing The side of the light guide sheet has a planar structure.
- the bump structure is designed on the plastic sheet of the light guide sheet, so that the bump is directly aligned with the convex switch of the main board, so that different types of button structures can be selected.
- FIG. 1 is a schematic view of a prior art keyboard
- Figure 2 is a schematic cross-sectional view of the utility model
- FIG. 3 is a schematic illustration of the keyboard of the present invention. DETAILED DESCRIPTION OF THE INVENTION The present invention will be further described below in conjunction with the drawings and specific embodiments.
- a light guide sheet includes a plastic sheet body 10 which is injection molded from a high transmittance plastic material or cut into a ready-to-high transmittance plastic sheet. Cheng, where:
- the upper surface 11 of the plastic sheet body 10 is provided with a plurality of protrusions 12 formed of a photo-curable colloid material.
- the protrusion 12 can be formed by first injecting a photo-curable colloid into the molding hole of the mold, and then the plastic sheet body. 10 is laid over the molding hole of the mold, and is formed by rolling, light curing, and demolding; the lower surface 13 of the plastic sheet body 10 is provided with a pair of ink layers 14 that should protrude from the protrusion 12 and function as a light guide.
- the ink layer 14 can enhance the light guiding property of the plastic sheet body 10, and can adopt silk screen printing or pad printing, which is not limited herein.
- a keyboard for applying the above-mentioned light guide sheet includes a light guide sheet, a ⁇ 20, and a main board 30, and the button 20 is provided with a key cap 21, wherein:
- the light guide sheet is disposed between the button 20 and the main board 30.
- the main board 30 is provided with a plurality of convex switches 31.
- the light guide sheet comprises a high transmittance plastic sheet body 10, and the plastic sheet body 10 is mounted thereon.
- the surface 11 is provided with a plurality of bumps 12 formed by a photo-curable colloid material, and the bumps 12 are arranged one by one corresponding to the positions of the convex switches 31 on the main board 30, and the bumps 12 and the convex switches 31 are respectively aligned;
- a plurality of ink layers 14 for guiding light are disposed on the lower surface 13 of the plastic sheet body 10.
- the oil layer 14 is disposed at a position corresponding to the bumps 12, and is in contact with the convex switch 31.
- the button 20 has a planar structure on the side of the light guide sheet. When the button 20 is pressed, the button 20 pushes the protrusion 12 of the light guide sheet downward, and the bump 12 activates the convex switch 31 of the main board 30 to implement the keyboard. The purpose of pressing.
- the bumps for the bumps 12 corresponding to the light guide sheets may be disposed below the button 20, so that the bumps are aligned with the bumps of the lower light guide plate, and then the button 20 is pressed. After the bumps act on the bumps 12 of the light guide sheet, the bumps 12 of the light guide sheet are caused to touch the convex switch 31 of the main board 30 for keyboard pressing.
- the design of the present invention focuses on designing a bump structure on the plastic sheet of the light guide sheet, so that the bump is directly alignable with the convex switch of the main board, so that different types of button structures can be selected for cooperation, especially
- the button is a flat button at the bottom; it avoids the lack of dislocation, time-consuming, etc. caused by the alignment of the button of the button and the convex switch of the main board in the prior art, thereby effectively simplifying the assembly process. Improve assembly efficiency.
Landscapes
- Push-Button Switches (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200780041952A CN101536477A (zh) | 2007-07-16 | 2007-07-16 | 一种导光片及其应用的键盘 |
PCT/CN2007/002166 WO2009009923A1 (fr) | 2007-07-16 | 2007-07-16 | Plaque guide de lumière et son clavier appliqué |
US12/668,883 US20100187078A1 (en) | 2007-07-16 | 2007-07-16 | Light guide plate and applied keypad thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CN2007/002166 WO2009009923A1 (fr) | 2007-07-16 | 2007-07-16 | Plaque guide de lumière et son clavier appliqué |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2009009923A1 true WO2009009923A1 (fr) | 2009-01-22 |
Family
ID=40259280
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2007/002166 WO2009009923A1 (fr) | 2007-07-16 | 2007-07-16 | Plaque guide de lumière et son clavier appliqué |
Country Status (3)
Country | Link |
---|---|
US (1) | US20100187078A1 (zh) |
CN (1) | CN101536477A (zh) |
WO (1) | WO2009009923A1 (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8207462B2 (en) * | 2009-09-01 | 2012-06-26 | Global Lighting Technologies (Taiwan) Inc. | Key structure having improved light emitting efficiency |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1210350A (zh) * | 1997-08-28 | 1999-03-10 | 阿尔卑斯电气株式会社 | 照明式按钮开关 |
CN1892949A (zh) * | 2005-07-06 | 2007-01-10 | 三星电子株式会社 | 小键盘组件 |
CN2881921Y (zh) * | 2006-03-03 | 2007-03-21 | 东莞万德电子制品有限公司 | 一种手机键盘 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI315537B (en) * | 2007-03-14 | 2009-10-01 | Ichia Tech Inc | Method for manufacturing compact keypad |
TWM334393U (en) * | 2008-01-04 | 2008-06-11 | Silitech Technology Corp | Thin keystroke module having reflection structure |
TWM341889U (en) * | 2008-04-01 | 2008-10-01 | Ichia Tech Inc | Light illumination keypress panel structure with non-backlight display |
-
2007
- 2007-07-16 CN CN200780041952A patent/CN101536477A/zh active Pending
- 2007-07-16 WO PCT/CN2007/002166 patent/WO2009009923A1/zh active Application Filing
- 2007-07-16 US US12/668,883 patent/US20100187078A1/en not_active Abandoned
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1210350A (zh) * | 1997-08-28 | 1999-03-10 | 阿尔卑斯电气株式会社 | 照明式按钮开关 |
CN1892949A (zh) * | 2005-07-06 | 2007-01-10 | 三星电子株式会社 | 小键盘组件 |
CN2881921Y (zh) * | 2006-03-03 | 2007-03-21 | 东莞万德电子制品有限公司 | 一种手机键盘 |
Also Published As
Publication number | Publication date |
---|---|
US20100187078A1 (en) | 2010-07-29 |
CN101536477A (zh) | 2009-09-16 |
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