WO2000059179A1 - Dispositif electronique a affichage reversible - Google Patents

Dispositif electronique a affichage reversible Download PDF

Info

Publication number
WO2000059179A1
WO2000059179A1 PCT/US2000/008253 US0008253W WO0059179A1 WO 2000059179 A1 WO2000059179 A1 WO 2000059179A1 US 0008253 W US0008253 W US 0008253W WO 0059179 A1 WO0059179 A1 WO 0059179A1
Authority
WO
WIPO (PCT)
Prior art keywords
flip
display
closed position
open position
main body
Prior art date
Application number
PCT/US2000/008253
Other languages
English (en)
Other versions
WO2000059179A8 (fr
WO2000059179A9 (fr
Inventor
Robert Baranowski
Roger Berg
Original Assignee
Sony Electronics Inc.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sony Electronics Inc. filed Critical Sony Electronics Inc.
Priority to AU39280/00A priority Critical patent/AU3928000A/en
Publication of WO2000059179A1 publication Critical patent/WO2000059179A1/fr
Publication of WO2000059179A8 publication Critical patent/WO2000059179A8/fr
Publication of WO2000059179A9 publication Critical patent/WO2000059179A9/fr

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1615—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function
    • G06F1/1616—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function with folding flat displays, e.g. laptop computers or notebooks having a clamshell configuration, with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
    • G06F1/1647—Details related to the display arrangement, including those related to the mounting of the display in the housing including at least an additional display
    • 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
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
    • H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
    • H04M1/0214—Foldable telephones, i.e. with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724—User interfaces specially adapted for cordless or mobile telephones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2250/00—Details of telephonic subscriber devices
    • H04M2250/16—Details of telephonic subscriber devices including more than one display unit

Definitions

  • This invention relates to electronic devices which utilize a display, and more particularly, to an electronic device such as a wireless telephone having a two sided and reversible display so as to enable a user to view a display when a cover, or flip, of the electronic device is closed.
  • an electronic device such as a wireless telephone having a two sided and reversible display so as to enable a user to view a display when a cover, or flip, of the electronic device is closed.
  • a portable electronic device such as a wireless telephone
  • Many phones of this type include an input device for inputting a telephone number or other data, a display for displaying data and a cover or flip.
  • the flip may be rotatably attached to a main body of the phone such that when the phone is not in use, the flip may be rotated to a closed position wherein portions of the main body are concealed.
  • the display and input device are located in upper and lower portions, respectively, of the main body. Further, the flip is sized such that the input device, and not the display, is concealed when the flip is closed.
  • a liquid crystal display or similar device is used to display information on a wireless telephone.
  • Such displays include a liquid crystal material which is positioned between front and rear glass plates to form an LCD cell. A surface treatment is applied to an inner surface of each glass plate such that molecules in the liquid crystal material near each inner surface align in the direction of the surface treatment.
  • LCDs known as twisted nematic LCDs the inner surfaces are positioned orthogonal to each other such that a 90 degree twist is formed in the liquid crystal material.
  • a front and rear polarizer is formed on an outer surface of the front and rear glass plates, respectively.
  • Light which is incident on the front polarizer becomes linearly polarized and subsequently passes through the first glass plate.
  • the light is then rotated 90 degrees by the liquid crystal material and passes through the second glass plate and rear polarizer.
  • the rear polarizer further includes a diffuse reflector which may be fabricated from brushed aluminum. The reflector serves to reflect the light back through the rear polarizer and LCD cell to ultimately emerge from the front polarizer as a silver-gray color.
  • an electric field may be applied to the LCD cell which causes the liquid crystal molecules to rotate in the direction of the electric field.
  • the incoming light is absorbed by the rear polarizer.
  • a backlighting device which includes a light source such as a cold cathode fluorescent tube (CCFT) or a hot cathode fluorescent tube (HCFT) may be used.
  • CCFT cold cathode fluorescent tube
  • HCFT hot cathode fluorescent tube
  • This invention relates to an electronic device having a main body which includes a main surface, having an input device for inputting data.
  • the electronic device further includes a flip that is rotatably attached to the main body.
  • the flip includes a front surface and a rear surface wherein the flip is rotatable between a closed position wherein the front surface is adjacent the main surface and an open position wherein the flip is upstanding relative to the main surface.
  • the device includes front and rear displays which are located on the front and rear surfaces, respectively, for displaying information.
  • FIGURE 1 is a view of a wireless telephone having a flip located in an open position in accordance with the present invention.
  • FIGURE 2 is a view of the wireless telephone wherein the flip is in a closed position.
  • FIGURE 3 is a cross sectional view of the wireless telephone along section line 3-3 of FIGURE 1.
  • FIGURE 4 is a cross sectional view of the wireless telephone along section line 4-4 of FIGURE 2.
  • a wireless telephone 10 such as cellular or cordless phone having a reversible display in accordance with the present invention is shown.
  • PDAs personal digital assistants
  • the present invention may also be utilized in conjunction with other electronic devices such as personal digital assistants (PDAs), cameras, pagers, personal computers, radios, recording and/or playback devices, calculators, televisions and others.
  • PDAs personal digital assistants
  • cameras pagers
  • personal computers radios
  • recording and/or playback devices calculators, televisions and others.
  • the phone 10 includes a main body 12 having a microphone 14, an input device 16 such as a touch sensitive device, touch screen, pointing device, mouse pointer, keypad and the like for inputting phone numbers or other data.
  • the main body 12 may include a selection mechanism 18 for selecting stored information such as phone numbers, an antenna 11, accessory connector 15, battery, circuit boards and other components typically used for providing phone functionality.
  • the phone 10 further includes a cover or flip 20 having a front surface 22 and a rear surface 24.
  • the front surface 22 includes a speaker 26 and a front display 28 which serves to display information associated with operation of the phone 10 such as whether or not a message has been received, battery strength, signal strength and others.
  • the flip 20 is rotatably attached to the main body 12, thus enabling rotation of the flip 20 between an open position and a closed position relative to the main body 12.
  • the flip 20 is shown in the open position. In this position, the flip 20 is located in a substantially upstanding orientation relative to the main body 12, thus enabling a user to view the front display 28 and also providing access to the input device 16.
  • the flip 20 is shown in the closed position.
  • the flip 20 may be moved to the closed position by rotating the flip 20 downward toward the main body 12 until the flip 20 is oriented substantially parallel to the main body 12 and the front surface 22 is adjacent the main body 12, thus reducing the overall size of the phone 10.
  • the input device 16 and the front display 28 are concealed by the flip 20.
  • the rear surface 24 of the flip 20 includes a rear display 30 which serves to display information, when the flip 20 is in the closed position, similar to that displayed on the front display 28.
  • software may be used to invert an image 32 displayed on the front display 28 and to generate an inverted image 34 which is then displayed on the rear display
  • the flip 20 further includes a liquid crystal display (LCD) 36 having the front 28 and rear 30 displays.
  • the front 28 and rear 30 displays are located adjacent front 38 and rear 40 optical guides, respectively.
  • the flip 20 further includes front 42 and rear 44 light sources which are located adjacent light gathering ends 46 of the front 38 and rear 40 optical guides, respectively.
  • the front 42 and rear 44 light sources may include a cold cathode fluorescent tube (CCFT), hot cathode fluorescent tube (HCFT), a light emitting diode
  • the front 28 and rear 30 displays are located adjacent front 48 and rear 50 apertures formed in the front 22 and rear 24 surfaces which enable the user to view the front 28 and rear 30 displays, respectively.
  • circuitry associated with the phone 10 causes the rear light source 44 to be turned on and the front light source 42 to be turned off.
  • Light 52 generated by the rear light source 42 is captured by the light gathering end 46 of the rear optical guide 40.
  • the rear optical guide 40 then directs the light 52 toward the rear display 30. This serves to backlight the front display 28, thus improving visibility of the front display 28.
  • the LCD 36 may be a transflective LCD.
  • FIGURE 4 a cross sectional view along section line 4-4 of FIGURE 2 is shown.
  • the front surface 22 is adjacent the main body 12 when the flip 20 is moved to the closed position, thus concealing the front display 28.
  • the inverted image 34 is displayed on the rear display 30 when the flip 20 is moved to the closed position.
  • circuitry associated with the phone 10 causes the front light source 42 to be turned on and rear light source 44 to be turned off.
  • Light 54 generated by the front light source 42 is then captured by the light gathering end 46 of the front optical guide 38 and directed toward the front display 28.
  • the direction of the illumination used for backlighting is reversed relative to that which occurs when the flip 20 is in the open position. This serves to backlight the rear display 30, thus improving visibility of the rear display 30 when the flip 20 is in the closed position.
  • the flip 20 may further include a movable light inhibiting element 56, such as a door, which is positioned so as to cover and uncover the rear aperture 50 when uje flip 20 is in the open and closed positions, respectively.
  • a movable light inhibiting element 56 such as a door
  • the element 56 is shown covering the rear aperture 50. In this position, the element 56 shields the rear display 30 from outside light 58, thus further improving visibility of the front display 28 when the flip 20 is in the open position.
  • the element 56 may then be moved away from the rear aperture 50 to enable viewing of rear display 30 when the flip 20 is in the closed position.
  • the light blocking element 56 may be a passive or active light filter that is stationary.
  • the light filter is adapted to absorb or redirect light incident on the rear display 30 so as to improve visibility of the front display 28 when the flip 20 is in the open position.
  • the light filter may also be adapted to let light through to allow viewing of the rear display 30 when the flip 20 is in the closed position.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Calculators And Similar Devices (AREA)

Abstract

L'invention concerne un dispositif électronique qui comporte un corps principal comprenant une surface principale pourvue d'une unité d'entrée pour l'entrée d'informations. Le dispositif électronique comprend également un rabat fixé de manière rotative au corps principal. Le rabat comprend une surface avant et une surface arrière, et peut passer d'une position fermée lorsque la surface avant est adjacente à la surface principale à une position ouverte lorsque le rabat est saillant par rapport à la surface principale. Le dispositif comprend en outre des affichages avant et arrière situés respectivement sur les surfaces avant et arrière et conçus pour afficher des informations.
PCT/US2000/008253 1999-03-31 2000-03-29 Dispositif electronique a affichage reversible WO2000059179A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU39280/00A AU3928000A (en) 1999-03-31 2000-03-29 Electronic device having a reversible display

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US28164599A 1999-03-31 1999-03-31
US09/281,645 1999-03-31

Publications (3)

Publication Number Publication Date
WO2000059179A1 true WO2000059179A1 (fr) 2000-10-05
WO2000059179A8 WO2000059179A8 (fr) 2001-04-12
WO2000059179A9 WO2000059179A9 (fr) 2002-04-11

Family

ID=23078191

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2000/008253 WO2000059179A1 (fr) 1999-03-31 2000-03-29 Dispositif electronique a affichage reversible

Country Status (2)

Country Link
AU (1) AU3928000A (fr)
WO (1) WO2000059179A1 (fr)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2368158A (en) * 2000-05-31 2002-04-24 Nec Corp An information processing apparatus housing an LCD screen which may be viewed from either the front or back having means for changing text orientation
WO2002044878A1 (fr) * 2000-11-30 2002-06-06 Palm, Inc. Affichage multiface
EP1220515A2 (fr) * 2000-12-29 2002-07-03 Gateway, Inc. Téléphone portable avec un afficheur auxiliaire
EP1231757A2 (fr) * 2001-02-07 2002-08-14 Hyundai Curitel, Inc. Terminal de communication mobile et pliable muni d'un écran LCD double face
EP1307035A2 (fr) * 2001-10-26 2003-05-02 Nec Corporation Téléphone mobile
US7107077B2 (en) 2001-01-17 2006-09-12 Samsung Electronics Co., Ltd. Method for displaying a message in a dual LCD folder-type mobile terminal
US7466961B1 (en) 2004-12-13 2008-12-16 Palm, Inc. Compact palmtop computer system and wireless telephone with foldable dual-sided display
US7477706B2 (en) 2001-05-01 2009-01-13 Matsushita Communication Industrial Corporation Of U.S.A. Switched capacitor network for tuning and downconversion
US7688315B1 (en) 2000-11-30 2010-03-30 Palm, Inc. Proximity input detection system for an electronic device
US7852430B1 (en) 2001-11-29 2010-12-14 Palm, Inc. Light guide spacers for backlighting a reflective display
US8134534B1 (en) 2001-05-22 2012-03-13 Hewlett-Packard Development Company, L.P. High transparency integrated enclosure touch screen assembly for a portable hand held device
US8384674B1 (en) 2001-01-30 2013-02-26 Hewlett-Packard Development Company, L.P. Integrated enclosure/touch screen assembly

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4019755A1 (de) * 1990-06-21 1992-01-09 Triumph Adler Ag Elektronische datenspeicher- und verarbeitungsanordnung, insbesondere laptop, mit einer anzeigeanordnung
US5796577A (en) * 1997-01-21 1998-08-18 Hitachi Electronics Services Co., Ltd. Notebook computer with two displays
WO1998038822A1 (fr) * 1997-02-28 1998-09-03 Motorola Inc. Dispositif electronique a image visualisable depuis deux cotes opposes
GB2343324A (en) * 1998-11-02 2000-05-03 Samsung Electronics Co Ltd Folder-type mobile phone provided with a double-panel lcd

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4019755A1 (de) * 1990-06-21 1992-01-09 Triumph Adler Ag Elektronische datenspeicher- und verarbeitungsanordnung, insbesondere laptop, mit einer anzeigeanordnung
US5796577A (en) * 1997-01-21 1998-08-18 Hitachi Electronics Services Co., Ltd. Notebook computer with two displays
WO1998038822A1 (fr) * 1997-02-28 1998-09-03 Motorola Inc. Dispositif electronique a image visualisable depuis deux cotes opposes
GB2343324A (en) * 1998-11-02 2000-05-03 Samsung Electronics Co Ltd Folder-type mobile phone provided with a double-panel lcd

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2368158A (en) * 2000-05-31 2002-04-24 Nec Corp An information processing apparatus housing an LCD screen which may be viewed from either the front or back having means for changing text orientation
WO2002044878A1 (fr) * 2000-11-30 2002-06-06 Palm, Inc. Affichage multiface
US7688315B1 (en) 2000-11-30 2010-03-30 Palm, Inc. Proximity input detection system for an electronic device
US9489018B2 (en) 2000-11-30 2016-11-08 Qualcomm Incorporated Input detection system for a portable electronic device
US7324093B1 (en) 2000-11-30 2008-01-29 Palm, Inc. Flexible screen display with touch sensor in a portable computer
US7289083B1 (en) 2000-11-30 2007-10-30 Palm, Inc. Multi-sided display for portable computer
EP1220515A2 (fr) * 2000-12-29 2002-07-03 Gateway, Inc. Téléphone portable avec un afficheur auxiliaire
EP1220515A3 (fr) * 2000-12-29 2003-11-05 Gateway, Inc. Téléphone portable avec un afficheur auxiliaire
US8204558B2 (en) 2001-01-16 2012-06-19 Hewlett-Packard Development Company, L.P. Compact palmtop computer system and wireless telephone with foldable dual-sided display
US7107077B2 (en) 2001-01-17 2006-09-12 Samsung Electronics Co., Ltd. Method for displaying a message in a dual LCD folder-type mobile terminal
DE10145505B4 (de) * 2001-01-17 2007-06-14 Samsung Electronics Co., Ltd., Suwon Verfahren zur Anzeige einer Nachricht in einem mobilen zusammenklappbaren Endgerät mit zwei LCD-Anzeigen
US8384674B1 (en) 2001-01-30 2013-02-26 Hewlett-Packard Development Company, L.P. Integrated enclosure/touch screen assembly
US6925313B2 (en) 2001-02-07 2005-08-02 Hyundai Curitel Inc. Folder-type mobile communication terminal having double-sided LCD
EP1231757A3 (fr) * 2001-02-07 2003-09-03 Hyundai Curitel, Inc. Terminal de communication mobile et pliable muni d'un écran LCD double face
EP1231757A2 (fr) * 2001-02-07 2002-08-14 Hyundai Curitel, Inc. Terminal de communication mobile et pliable muni d'un écran LCD double face
US7477706B2 (en) 2001-05-01 2009-01-13 Matsushita Communication Industrial Corporation Of U.S.A. Switched capacitor network for tuning and downconversion
US8134534B1 (en) 2001-05-22 2012-03-13 Hewlett-Packard Development Company, L.P. High transparency integrated enclosure touch screen assembly for a portable hand held device
US7181250B2 (en) 2001-10-26 2007-02-20 Nec Corporation Mobile phone
EP1307035A3 (fr) * 2001-10-26 2004-03-17 Nec Corporation Téléphone mobile
EP1307035A2 (fr) * 2001-10-26 2003-05-02 Nec Corporation Téléphone mobile
US7852430B1 (en) 2001-11-29 2010-12-14 Palm, Inc. Light guide spacers for backlighting a reflective display
US7466961B1 (en) 2004-12-13 2008-12-16 Palm, Inc. Compact palmtop computer system and wireless telephone with foldable dual-sided display

Also Published As

Publication number Publication date
AU3928000A (en) 2000-10-16
WO2000059179A8 (fr) 2001-04-12
WO2000059179A9 (fr) 2002-04-11

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