WO2003040906A1 - Ensemble ecran tactile - Google Patents
Ensemble ecran tactile Download PDFInfo
- Publication number
- WO2003040906A1 WO2003040906A1 PCT/JP2002/011562 JP0211562W WO03040906A1 WO 2003040906 A1 WO2003040906 A1 WO 2003040906A1 JP 0211562 W JP0211562 W JP 0211562W WO 03040906 A1 WO03040906 A1 WO 03040906A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- touch panel
- plate
- light guide
- panel assembly
- shaped light
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/13338—Input devices, e.g. touch panels
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133616—Front illuminating devices
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
Definitions
- the interval at which the grooves 22a are formed differs depending on the location. That is, the ratio of the width (occupied area) of the groove portion 22a to the width (occupied area) of the flat portion 22b is set to gradually increase as the distance from the rod-shaped light source portion 21 increases. .
- the groove 22 a of the light reflection pattern formed on the plate-shaped light guide 22 is very fine, and cannot be visually confirmed in observing the screen. Also, In some cases, the projection pattern is composed of only a groove portion without providing a flat portion.
- the rod-shaped light source section 21 includes a light guide 23 made of a rod-shaped translucent material, and a point light source 24 disposed on at least one of both ends of the light guide 23. .
- a light emitting diode is used as the point light source 24, and the light guide 23 made of a translucent material is arranged along one end surface of the plate light guide 22.
- a point light source 24 is arranged close to one end of the light body 23.
- the light guide 23 is provided with an optical path changing means 23 a.
- the optical path changing means 23 a is formed by arranging concave portions having a substantially triangular cross section in the longitudinal direction of the light guide 23 according to a certain rule.
- a touch panel positioning portion is provided on a housing frame that integrally supports the components of the spread illuminating device, and the touch panel is fixed to the positioning portion, thereby complementing the strength of the touch panel having no reinforcing member.
- a positioning portion of the touch panel is configured by a concave portion formed in the housing frame.
- FIG. 9 is a cross-sectional view showing a detailed structure of the touch panel of the conventional touch panel assembly shown in FIG.
- the touch panel according to the best mode for carrying out the present invention is characterized in that first, as a characteristic portion, a touch panel 10 having no reinforcing member (see reference numeral 17 in FIG. 8) is used.
- the housing frame 50 that integrally supports the components of the front light unit 20 is a resin molded product. Further, a transparent buffer member 5 is arranged between the touch panel 10 having no reinforcing member and the plate-shaped light guide 22 of the front light unit 20.
- the touch panel 10 has the same structure as the touch panel 10 described above (see FIG. 9) except that the touch panel 10 does not have the reinforcing member 17, and a detailed description is omitted.
- the housing frame 50 will be described with reference to a top view in FIG. 4, a side view in FIG. 5, and a bottom view in FIG.
- the above-mentioned features constitute the touch panel assembly 2 by integrating the respective members as described below.
- the front light unit 20 is attached to a predetermined position on the upper surface side of the housing frame 50, and the front light unit 20 is attached to the housing frame 50 with a reinforcing frame 61 made of metal such as stainless steel. Fixed to 0.
- a cushion member 43 is used as a loose material for the display device 30. At this time, as shown in FIG.
- the touch panel 10 having no reinforcing member is used to reduce the thickness of the touch panel itself.
- the components of the front light unit 20 (plate light guide 22, light guide 23, point light source 24, light reflection member 25, t strong frame 61) are integrally supported.
- a recess 57 is provided in the housing frame 50 for positioning the touch panel 10, and the touch panel 10 is fixed in the recess 57, thereby supplementing the strength of the touch panel 10 having no reinforcing member.
- the touch panel assembly 2 utilizes the mechanical properties of the transparent buffer member 5 to deform the touch panel when pressing the touch panel, When vibration or shock is applied to the touch panel, the vibration or shock transmitted to the plate-shaped light guide can be attenuated. Therefore, the translucent flat plate 16, which is a constituent member of the touch panel 10, is used. It is possible to use not only PET film but also thin and tempered glass.
- a rod-shaped light guide made of a light-transmitting material disposed close to at least along one of the side end surfaces of the plate-shaped light guide made of a light-transmitting material;
- a rod-shaped light source portion configured by a point light source disposed on at least one of both end portions of the light guide, and irradiating a side end surface of the plate light guide into the plate light guide.
- a touch panel assembly having a spread illuminating device for supplying guided light from a surface of the plate-shaped light guide to a display unit of a liquid crystal display device, the component being a component of the spread illuminating device.
- the polyethylene terephthalate film having the transparent gel layer is an AR film or an LR film, so that The light reflected on the display surface of the display device by the AR film or the LR film having the transparent gel layer interposed between the light body and the light-transmitting flat body, on the way to the outside. It can be effectively prevented from being reflected by the touch panel.
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2004-7006859A KR20040064271A (ko) | 2001-11-09 | 2002-11-06 | 터치 패널 어셈블리 |
EP02780012A EP1443386A4 (en) | 2001-11-09 | 2002-11-06 | Touch Panel ASSEMBLY |
JP2003542468A JP4032390B2 (ja) | 2001-11-09 | 2002-11-06 | タッチパネルアッセンブリー |
US10/495,047 US7237937B2 (en) | 2001-11-09 | 2002-11-06 | Touch panel assembly |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001344979 | 2001-11-09 | ||
JP2001-344979 | 2001-11-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003040906A1 true WO2003040906A1 (fr) | 2003-05-15 |
Family
ID=19158412
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2002/011562 WO2003040906A1 (fr) | 2001-11-09 | 2002-11-06 | Ensemble ecran tactile |
Country Status (7)
Country | Link |
---|---|
US (1) | US7237937B2 (ja) |
EP (1) | EP1443386A4 (ja) |
JP (1) | JP4032390B2 (ja) |
KR (1) | KR20040064271A (ja) |
CN (1) | CN1303508C (ja) |
TW (1) | TWI282936B (ja) |
WO (1) | WO2003040906A1 (ja) |
Cited By (5)
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EP1621968A2 (en) | 2004-06-28 | 2006-02-01 | Kabushiki Kaisha Toshiba | Liquid crystal display device protection structure for electronic equipment |
JP2010020057A (ja) * | 2008-07-10 | 2010-01-28 | Brother Ind Ltd | 表示装置 |
WO2010119882A1 (ja) * | 2009-04-17 | 2010-10-21 | シャープ株式会社 | 表示装置 |
CN106547130A (zh) * | 2016-11-02 | 2017-03-29 | 友达光电股份有限公司 | 触控显示器 |
JP2019028217A (ja) * | 2017-07-28 | 2019-02-21 | セイコーエプソン株式会社 | 表示装置、電子機器及びウェアラブル機器 |
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- 2002-11-06 EP EP02780012A patent/EP1443386A4/en not_active Withdrawn
- 2002-11-06 TW TW091132720A patent/TWI282936B/zh not_active IP Right Cessation
- 2002-11-06 CN CNB028222830A patent/CN1303508C/zh not_active Expired - Fee Related
- 2002-11-06 JP JP2003542468A patent/JP4032390B2/ja not_active Expired - Fee Related
- 2002-11-06 US US10/495,047 patent/US7237937B2/en not_active Expired - Fee Related
- 2002-11-06 KR KR10-2004-7006859A patent/KR20040064271A/ko not_active Application Discontinuation
- 2002-11-06 WO PCT/JP2002/011562 patent/WO2003040906A1/ja active Application Filing
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1621968A2 (en) | 2004-06-28 | 2006-02-01 | Kabushiki Kaisha Toshiba | Liquid crystal display device protection structure for electronic equipment |
EP1621968A3 (en) * | 2004-06-28 | 2011-11-23 | Fujitsu Toshiba Mobile Communications Limited | Liquid crystal display device protection structure for electronic equipment |
JP2010020057A (ja) * | 2008-07-10 | 2010-01-28 | Brother Ind Ltd | 表示装置 |
WO2010119882A1 (ja) * | 2009-04-17 | 2010-10-21 | シャープ株式会社 | 表示装置 |
US8648826B2 (en) | 2009-04-17 | 2014-02-11 | Sharp Kabushiki Kaisha | Display device |
CN106547130A (zh) * | 2016-11-02 | 2017-03-29 | 友达光电股份有限公司 | 触控显示器 |
CN106547130B (zh) * | 2016-11-02 | 2019-04-05 | 友达光电股份有限公司 | 触控显示器 |
JP2019028217A (ja) * | 2017-07-28 | 2019-02-21 | セイコーエプソン株式会社 | 表示装置、電子機器及びウェアラブル機器 |
Also Published As
Publication number | Publication date |
---|---|
KR20040064271A (ko) | 2004-07-16 |
US7237937B2 (en) | 2007-07-03 |
EP1443386A1 (en) | 2004-08-04 |
TW200300241A (en) | 2003-05-16 |
CN1303508C (zh) | 2007-03-07 |
JPWO2003040906A1 (ja) | 2005-03-03 |
EP1443386A4 (en) | 2006-11-02 |
CN1585921A (zh) | 2005-02-23 |
TWI282936B (en) | 2007-06-21 |
JP4032390B2 (ja) | 2008-01-16 |
US20050030728A1 (en) | 2005-02-10 |
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