WO2009033468A1 - Anzeigeeinrichtung und tastenanordnung - Google Patents
Anzeigeeinrichtung und tastenanordnung Download PDFInfo
- Publication number
- WO2009033468A1 WO2009033468A1 PCT/DE2008/001512 DE2008001512W WO2009033468A1 WO 2009033468 A1 WO2009033468 A1 WO 2009033468A1 DE 2008001512 W DE2008001512 W DE 2008001512W WO 2009033468 A1 WO2009033468 A1 WO 2009033468A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- light
- display device
- layer
- display
- light source
- 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.)
- Ceased
Links
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
- H01H2219/002—Legends replaceable; adaptable
- H01H2219/01—Liquid crystal
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2219/00—Legends
- H01H2219/002—Legends replaceable; adaptable
- H01H2219/01—Liquid crystal
- H01H2219/012—Liquid crystal programmable
-
- 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
- H01H2219/062—Light conductor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2219/00—Legends
- H01H2219/054—Optical elements
- H01H2219/064—Optical isolation of switch sites
Definitions
- the invention relates to a display device comprising a light source and a light guide.
- the invention further relates to a key arrangement for an electronic device.
- Display devices and key arrangements for electronic devices known. Especially with mobile phones, it is customary to assign one or more keys in different operating modes of the mobile phone with different functions. In order to identify their respective current functional assignment, such multifunction buttons are usually arranged below a display and the respective function is displayed on the display.
- Multifunction button and a display leads to a loss of freely available display area of the display. In addition, it can complicate the operation of an electronic device, since such an arrangement may be confusing.
- An object of the invention is therefore to provide an improved display device and a button arrangement, which allows a functional and visually appealing display of a current functional assignment of a key.
- the underlying object is achieved by a display device comprising a light source, a light guide with a radiating surface, wherein the light guide is adapted to direct light from the light source to the radiating surface, and dissolved on the radiating surface arranged transflective element.
- the transflexive element comprises a first layer having at least a first and at least a second subregion, the first layer being adapted to transmit light of the emission surface in the first subregion and not to transmit in the second subregion, and one in the emission direction of the light over the first subregion Layer arranged second layer, wherein the second layer is adapted to pass through at least a portion of the light of the light source.
- a space-saving display is realized.
- Display device is suitable, for example, for installation in a button, so that it is possible to dispense with a display of a functional assignment by a separately arranged display element.
- the second layer comprises a polarizing film and is adapted to transmit light of a first polarization direction and not to transmit light of a second polarization direction.
- a polarizing film By using a polarizing film, incident ambient light is largely filtered out by the second layer, so that the display device can be clearly read even when ambient light is incident.
- the second layer is arranged on a surface of the display device, wherein the display device is configured to display a symbol on the surface when the light source is switched on and to display no symbol on the surface when the light source is switched off. By selectively displaying a symbol on the surface of the display device, such as a key cap or a housing wall, an operating state of an electronic device is displayed clearly.
- a display device is also suitable for displaying company or brand names, which stand out in this way visually.
- an additional diffusion film is arranged between the first layer and the second layer.
- Display device is improved.
- a uniform illumination of the display device is effected by the light source.
- the light-guiding element and the first layer are at least two-parted, wherein a first and a second part of the light-guiding element or the first layer can be illuminated separately and when the first part is illuminated a first symbol and upon illumination of the second part a second symbol the display device can be displayed.
- a first and a second part of the light-guiding element or the first layer can be illuminated separately and when the first part is illuminated a first symbol and upon illumination of the second part a second symbol the display device can be displayed.
- the underlying object is also achieved by a key arrangement for an electronic device having a first and at least a second operating state, comprising at least one key having a surface and a key associated with the display device according to one of the above embodiments.
- the display device is set up to display no symbol on the surface in the first operating state and to display a symbol on the surface in the second operating state.
- FIG. 1A shows a schematic structure of a display device according to an embodiment of the invention
- FIG. 1B shows a schematic representation of a layer of the display device according to FIG. 1A
- Figure 2A shows a cross section through an inventive
- FIG. 2B shows a plan view of the display device according to FIG. 2A
- FIG. 3A shows a cross section through a display device according to the invention in the switched-on state
- Figure 3B is a plan view of the display device according to the figure 3A and
- Figure 4 shows an electronic device with a key arrangement according to an embodiment of the invention.
- Figure IA shows a cross section through a
- the display device 1 comprises a light source 2, a light-guiding element 3 and a transflexive element 4.
- the light source 2 comprises a light-emitting diode (LED) 5.
- LED light-emitting diode
- the light-guiding element 3 comprises, for example, a light guide made of polycarbonate (PC), polymethyl methacrylate (PMMA), silicone or a glass fiber mat.
- the light-guiding element 3 has a radiating surface 6 which supplies at least a part of the light to the light source 2 becomes.
- a total internal reflection (TIR) of the light-guiding element 3 or a light scattering of the light-guiding element 3 serve to supply the light.
- the transflexive element 4 comprises a first layer 7 and a second layer 8, which are arranged on the emission surface 6 of the light-conducting element 3.
- the first layer 7 is a light-absorbing or light-reflecting film with a structuring applied thereto.
- FIG. 1B shows an embodiment of a first layer 7 with a first subregion 9 and a second subregion 10.
- the first subregion 9 is set up to transmit light emitted by the emission surface 6.
- the second subregion 10 is set up to reflect or absorb light of the emission surface 6.
- an opaque black plastic film can be used, are cut from the symbols, logos or other display elements.
- the second layer 8 is at least partially transmissive to light of the light source 2.
- the second layer 8 may comprise a linear or circular polarizer film.
- the use of a gray or color filter film is possible.
- an additional diffusion film 11 is arranged between the first layer 7 and the second layer 8.
- the optional diffusion film 11 scatters incident light from the surface of the second layer 8, thus the structure of the first layer 7 can only be recognized by backlighting by the light source 2. At the same time it ensures a uniform illumination of a surface of the display device 1 by the light source. 2
- FIG. 2A shows an exemplary display device 1 in an off state.
- ambient light 12 from an external light source 13 is incident on the display device 1.
- the transflexive element 4 of the display device 1 absorbs a large part of the incident ambient light 12.
- the light source 2 of the display device 1 is deactivated , Therefore, in the plan view of Figure 2B, no icon on a surface 14 of the display device 1 can be seen. It appears as a uniformly colored surface. For example, a case surface or keycap may appear completely black.
- FIG. 3A the same display device 1 is shown as in FIG. 2A.
- the light source 2 of the display device 1 is turned on.
- the light emitted from the light source 2 is supplied to the transflexive element 4 through the light guide 3.
- the transflexive element 4 transmits a
- FIG. 4 shows a mobile electronic device 16.
- the electronic device 16 is a mobile telephone.
- the electronic device 16 may be in a first and in a second operating state.
- the electronic device 16 is used in a first operating state for telephoning and in a second operating state for playback of media data.
- the mobile electronic device 16 includes a keypad 17, a multi-function rocker 18, and a display 19.
- the keypad 17 may be a numeric keypad for entering numbers.
- the multi-function rocker 18 can be moved in four different directions, left, right, up, and down.
- the display 19 is, for example, a liquid crystal display (LCD).
- the multi-function rocker 18 can be used to navigate through a menu structure displayed on the display 19.
- the multi-function rocker 18 is not used to navigate through a menu structure, but to execute predetermined commands.
- the four directions may be used for skipping forward, backward, pausing, and pausing a reproduced piece of music.
- four icons 15A to 15D are displayed on the multi-function rocker 18.
- the electronic device 16 comprises a plurality of different operating states.
- a mobile phone may be in addition to that already described
- Media playback function also have a digital camera function.
- one or a plurality of the keys of the keypad 17 and / or the multi-function rocker 18 is assigned one or more further functions.
- a trigger function or an activation of a flash can be assigned to different positions of the multi-function rocker 18.
- individual areas of the multi-function rocker 18 or the keypad 17 are independently illuminable.
- a light-conducting element 3 or a first layer 7 arranged underneath can be subdivided into a first part and a second part, which can be illuminated by different light sources 2.
- no symbols can be displayed on the multi-function rocker 17 at all in the first operating state of the electronic device 16, while in a second or third operating state of the electronic device 16 different symbols 15 are displayed on the multi-function rocker 18.
- display elements 1 can also be arranged in another area associated with a key, for example below, above or next to a key. Due to the situation-adapted display of symbols 15, the operation of the electronic device 16 is designed much clearer than if the respective function assignments would be displayed exclusively in the display 19. In addition, the display 19 is fully available for displaying further information, such as a currently recorded image available.
Landscapes
- Input From Keyboards Or The Like (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
- Push-Button Switches (AREA)
- Switch Cases, Indication, And Locking (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
Description
Claims
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP08801316A EP2188820A1 (de) | 2007-09-11 | 2008-09-08 | Anzeigeeinrichtung und tastenanordnung |
| JP2010524349A JP2010540978A (ja) | 2007-09-11 | 2008-09-08 | 表示装置およびキーボード装置 |
| CN200880106536A CN101802951A (zh) | 2007-09-11 | 2008-09-08 | 显示装置和按键装置 |
| US12/676,386 US20100214228A1 (en) | 2007-09-11 | 2008-09-08 | Display device and key arrangement |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102007043190A DE102007043190A1 (de) | 2007-09-11 | 2007-09-11 | Anzeigeeinrichtung und Tastenanordnung |
| DE102007043190.4 | 2007-09-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2009033468A1 true WO2009033468A1 (de) | 2009-03-19 |
Family
ID=40091755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/DE2008/001512 Ceased WO2009033468A1 (de) | 2007-09-11 | 2008-09-08 | Anzeigeeinrichtung und tastenanordnung |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US20100214228A1 (de) |
| EP (1) | EP2188820A1 (de) |
| JP (1) | JP2010540978A (de) |
| KR (1) | KR20100081985A (de) |
| CN (1) | CN101802951A (de) |
| DE (1) | DE102007043190A1 (de) |
| TW (1) | TWI378417B (de) |
| WO (1) | WO2009033468A1 (de) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008153528A1 (en) * | 2007-06-14 | 2008-12-18 | Avery Dennison Corporation | Illuminated graphical and information display |
| US8317352B2 (en) | 2008-12-11 | 2012-11-27 | Robert Saccomanno | Non-invasive injection of light into a transparent substrate, such as a window pane through its face |
| CN103502913B (zh) * | 2011-01-05 | 2015-08-26 | 雷蛇(亚太)私人有限公司 | 用于能显示的键盘、键区或其它用户输入设备的透光键组件 |
| KR101856657B1 (ko) | 2011-07-26 | 2018-05-14 | 엘지이노텍 주식회사 | 조명 모듈 |
| CN103703302B (zh) * | 2011-07-26 | 2016-08-17 | Lg伊诺特有限公司 | 发光模块 |
| KR101848875B1 (ko) * | 2011-11-10 | 2018-05-28 | 엘지전자 주식회사 | 전자 기기 |
| DE102013021330A1 (de) * | 2013-12-17 | 2015-06-18 | Valeo Schalter Und Sensoren Gmbh | Beleuchtete Anzeigevorrichtung, Verfahren zum Betrieb einer solchen Anzeigevorrichtung, Elektrisches Bedienelement mit einer solchen Anzeigevorrichtung und Verfahren zum Betrieb eines solchen Bedienelementes |
| US9395822B2 (en) | 2014-03-03 | 2016-07-19 | Peter Hinz | Keycap including a liquid crystal panel and polarizing glyphs |
| DE102019129120B3 (de) * | 2019-10-29 | 2021-01-21 | Audi Ag | Bedienelement für ein Kraftfahrzeug mit einer Anzeigevorrichtung |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2131924A1 (de) * | 1971-06-26 | 1973-01-11 | Feussner Dipl Ing | Tastenkopf mit mehreren diskret markierbaren symbolen |
| US4019607A (en) * | 1975-05-16 | 1977-04-26 | Westinghouse Electric Corporation | Signal input devices and systems |
| DE3628781A1 (de) * | 1985-08-27 | 1987-03-05 | Heiner Flohr | Folientastatur |
| EP0232137A2 (de) * | 1986-01-30 | 1987-08-12 | Dowty Electronic Components Limited | Drucktastenschalter mit veränderbarer Bezeichnung |
| GB2262820A (en) * | 1991-12-25 | 1993-06-30 | Toshiba Kk | Operation panel with a display unit for use in washing machines |
| US6297810B1 (en) * | 1998-09-30 | 2001-10-02 | Rockwell Collins | Programmable switch array with tactical feel |
| EP1523021A1 (de) * | 2003-10-06 | 2005-04-13 | Research In Motion Limited | Selektive Tastaturbeleuchtung |
| EP1655750A2 (de) * | 2004-11-08 | 2006-05-10 | LCD Solution SARL | Druckschalter, der einen eingebauten Schirm mit mehrfarbiger Informationsanzeige aufweist |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3418509A1 (de) * | 1984-05-18 | 1985-11-21 | Blaupunkt-Werke Gmbh, 3200 Hildesheim | Elektronisches geraet mit bedienelementen |
| JPS61127506U (de) * | 1985-01-30 | 1986-08-11 | ||
| US4965950A (en) * | 1987-03-23 | 1990-10-30 | Koito Manufacturing Co., Ltd. | Display device for automotive mark plate |
| US5034602A (en) * | 1989-07-21 | 1991-07-23 | Texas Instruments Incorporated | Optically activated keyboard for digital system having character back lighting |
| US5237641A (en) * | 1992-03-23 | 1993-08-17 | Nioptics Corporation | Tapered multilayer luminaire devices |
| US6002829A (en) * | 1992-03-23 | 1999-12-14 | Minnesota Mining And Manufacturing Company | Luminaire device |
| JP3400589B2 (ja) * | 1995-02-22 | 2003-04-28 | 旭化成株式会社 | メタクリル樹脂導光板の製造方法 |
| JP3542916B2 (ja) * | 1999-01-07 | 2004-07-14 | 日本電気株式会社 | キー機能表示装置 |
| JP4104097B2 (ja) * | 1999-01-14 | 2008-06-18 | 矢崎総業株式会社 | 透過照明型スイッチ装置 |
| JP2001091943A (ja) * | 1999-09-24 | 2001-04-06 | Casio Comput Co Ltd | 液晶表示装置 |
| JP4298115B2 (ja) * | 2000-02-23 | 2009-07-15 | 信越ポリマー株式会社 | 押釦スイッチ用部材 |
| JP4596100B2 (ja) * | 2000-09-28 | 2010-12-08 | 豊田合成株式会社 | 照明装置 |
| JP3879417B2 (ja) * | 2001-03-13 | 2007-02-14 | セイコーエプソン株式会社 | 液晶装置及び電子機器 |
| US7068499B2 (en) * | 2001-06-25 | 2006-06-27 | Chrono Data Llc. | Modular computer user interface system |
| JP2004134093A (ja) * | 2002-10-08 | 2004-04-30 | Alps Electric Co Ltd | 入力パネル装置 |
| JP2004355368A (ja) * | 2003-05-29 | 2004-12-16 | Alps Electric Co Ltd | 表示装置 |
| US20050168421A1 (en) * | 2004-01-29 | 2005-08-04 | Kenichi Hirose | Small switch having liquid crystal display |
| US7301532B1 (en) * | 2004-02-09 | 2007-11-27 | Jerod M Dobry | Digital display keyboard |
| JP2006277013A (ja) * | 2005-03-28 | 2006-10-12 | Denso Wave Inc | キーボード装置 |
| KR100639954B1 (ko) * | 2005-07-12 | 2006-11-01 | 주식회사 엘에스텍 | 유연성을 가지는 입력장치 키 후면조광용 백라이트 장치 |
| DE102006019945B3 (de) * | 2006-04-28 | 2007-04-12 | Siemens Ag | Tastenkopf |
| US7736042B2 (en) * | 2006-07-20 | 2010-06-15 | Ls Tech Co., Ltd. | Back light unit |
| CN101641665B (zh) * | 2007-04-12 | 2013-02-06 | 诺基亚公司 | 键区 |
-
2007
- 2007-09-11 DE DE102007043190A patent/DE102007043190A1/de not_active Withdrawn
-
2008
- 2008-09-08 WO PCT/DE2008/001512 patent/WO2009033468A1/de not_active Ceased
- 2008-09-08 CN CN200880106536A patent/CN101802951A/zh active Pending
- 2008-09-08 US US12/676,386 patent/US20100214228A1/en not_active Abandoned
- 2008-09-08 JP JP2010524349A patent/JP2010540978A/ja active Pending
- 2008-09-08 EP EP08801316A patent/EP2188820A1/de not_active Withdrawn
- 2008-09-08 KR KR1020107007680A patent/KR20100081985A/ko not_active Withdrawn
- 2008-09-09 TW TW097134475A patent/TWI378417B/zh not_active IP Right Cessation
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2131924A1 (de) * | 1971-06-26 | 1973-01-11 | Feussner Dipl Ing | Tastenkopf mit mehreren diskret markierbaren symbolen |
| US4019607A (en) * | 1975-05-16 | 1977-04-26 | Westinghouse Electric Corporation | Signal input devices and systems |
| DE3628781A1 (de) * | 1985-08-27 | 1987-03-05 | Heiner Flohr | Folientastatur |
| EP0232137A2 (de) * | 1986-01-30 | 1987-08-12 | Dowty Electronic Components Limited | Drucktastenschalter mit veränderbarer Bezeichnung |
| GB2262820A (en) * | 1991-12-25 | 1993-06-30 | Toshiba Kk | Operation panel with a display unit for use in washing machines |
| US6297810B1 (en) * | 1998-09-30 | 2001-10-02 | Rockwell Collins | Programmable switch array with tactical feel |
| EP1523021A1 (de) * | 2003-10-06 | 2005-04-13 | Research In Motion Limited | Selektive Tastaturbeleuchtung |
| EP1655750A2 (de) * | 2004-11-08 | 2006-05-10 | LCD Solution SARL | Druckschalter, der einen eingebauten Schirm mit mehrfarbiger Informationsanzeige aufweist |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2010540978A (ja) | 2010-12-24 |
| TW200919399A (en) | 2009-05-01 |
| US20100214228A1 (en) | 2010-08-26 |
| DE102007043190A1 (de) | 2009-03-12 |
| CN101802951A (zh) | 2010-08-11 |
| EP2188820A1 (de) | 2010-05-26 |
| KR20100081985A (ko) | 2010-07-15 |
| TWI378417B (en) | 2012-12-01 |
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