Microdisplay for portable communication systems
First Claim
1. A docking system for a portable wireless telephone, the portable wireless telephone including a microphone, a speaker, and transceiver circuitry with an external communication interface within a telephone housing, the docking system comprising:
- a display housing having a plurality of control elements and a display circuit, the display housing including a connection interface that couples with an external communication interface of a handheld wireless telephone, such that image data received by the handheld wireless telephone is transmitted to the display circuit;
an active matrix liquid crystal display mounted to the display housing and connected to the display circuit, the display circuit generating display data presented on the liquid crystal display as an image;
a light source positioned in the display housing to illuminate the image;
a lens in the display housing positioned to receive the image presented on the active matrix liquid crystal display; and
a power management circuit that controls the power consumption of the display circuit, wherein after the image is illuminated, the power management circuit lowers the power consumption of the display circuit until new display data is ready to be presented on the liquid crystal display, the power management circuit arranged for receiving control signals for lowering the power consumption, the control signals resulting from signals from the display circuit that are initiated by the display circuit, the power management circuit and the display circuit being connected together and arranged in a configuration that lowers the power consumption in a self regulating manner.
1 Assignment
0 Petitions
Accused Products
Abstract
The invention relates to a microdisplay system that utilizes a small high resolution active matrix liquid crystal display with an illumination system and a magnifying optical system to provide a hand held communication display device. The system can employ an LED illumination system and cellular communication or processor circuits within a compact housing to provide communication devices such as pagers, telephones, televisions, and hand held computer devices with a compact high resolution video display.
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Citations
28 Claims
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1. A docking system for a portable wireless telephone, the portable wireless telephone including a microphone, a speaker, and transceiver circuitry with an external communication interface within a telephone housing, the docking system comprising:
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a display housing having a plurality of control elements and a display circuit, the display housing including a connection interface that couples with an external communication interface of a handheld wireless telephone, such that image data received by the handheld wireless telephone is transmitted to the display circuit; an active matrix liquid crystal display mounted to the display housing and connected to the display circuit, the display circuit generating display data presented on the liquid crystal display as an image; a light source positioned in the display housing to illuminate the image; a lens in the display housing positioned to receive the image presented on the active matrix liquid crystal display; and a power management circuit that controls the power consumption of the display circuit, wherein after the image is illuminated, the power management circuit lowers the power consumption of the display circuit until new display data is ready to be presented on the liquid crystal display, the power management circuit arranged for receiving control signals for lowering the power consumption, the control signals resulting from signals from the display circuit that are initiated by the display circuit, the power management circuit and the display circuit being connected together and arranged in a configuration that lowers the power consumption in a self regulating manner. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A docking system for a portable handheld wireless telephone the portable wireless telephone including a microphone, a speaker, and transceiver circuitry with an external communication interface within a telephone housing, the docking system comprising:
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a handheld housing having a plurality of control elements and a display circuit, the handheld housing including a connection interface that couples with an external communication interface of a handheld wireless telephone; a display subhousing carried by the handheld housing and moveable between a storage position and an operating position; an active matrix liquid crystal display mounted to the display subhousing, the display being connected to the display circuit in the handheld housing, the display circuit receiving image data from the handheld wireless telephone, generating display data from the image data, and presenting the display data on the liquid crystal display as an image; a light emitting diode light source positioned in the display subhousing TO illuminate the image; a lens carried by the display subhousing and positioned to magnify the image presented on the active matrix liquid crystal display; and a power management circuit that controls the power consumption of the display circuit, wherein after the image is illuminated, the power management circuit lowers the power consumption of the display circuit until new display data is ready to be presented on the liquid crystal display, the power management circuit arranged for receiving control signals for lowering the power consumption, the control signals resulting from signals from the display circuit that are initiated by the display circuit, the power management circuit and the display circuit being connected together and arranged in a configuration that lowers the power consumption in a self regulating manner. - View Dependent Claims (8, 9, 10, 11, 12, 13, 14, 15, 25, 28)
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16. A docking system for a portable handheld wireless telephone, the portable wireless telephone including a microphone, a speaker, and transceiver circuitry with an external communication interface within a telephone housing, the docking system comprising:
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a housing having a plurality of control elements and a display circuit, the housing including a connector interface that couples with an external communication interface of a handheld wireless telephone; a display subhousing module movable from a storage position to an operating position relative to the housing; an active matrix liquid crystal display mounted to the display subhousing, the display being connected to the display circuit such that image data received by the handheld wireless telephone is transmitted to the display circuit which generates display data from the image data and presents the display data on the liquid crystal display as an image; a light emitting diode light source positioned in the display subhousing to illuminate the image; a lens in the display subhousing positioned to receive the image presented on the active matrix liquid crystal display such that the lens magnifies the image; a battery carried in the housing for powering the display circuit, the power management circuit, and the display; and a power management circuit that controls the power consumption of the display circuit, wherein after the image is illuminated, the power management circuit lowers the power consumption of the display circuit until new display data is ready to be presented on the liquid crystal display, the power management circuit arranged for receiving control signals for lowering the power consumption, the control signals resulting from signals from the display circuit that are initiated by the display circuit, the power management circuit and the display circuit being connected together and arranged in a configuration that lowers the power consumption in a self regulating manner. - View Dependent Claims (17, 18, 19, 20, 26)
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21. A method of displaying an image on a docking system in conjunction with a portable handheld wireless telephone, the portable wireless telephone including a microphone, a speaker, and transceiver circuitry with an external communication interface within a telephone housing, the method comprising:
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coupling an external communication interface of a wireless telephone with a connection interface of a docking station such that a display circuit in the docking station receives image data from transceiver circuitry of the wireless telephone capable of receiving audio and image data; operating the display circuit connected to the transceiver circuitry and an active matrix liquid crystal display to generate display data from the image data and present the display data as an image on the liquid crystal display; illuminating the image with a light source; and operating a power management circuit that controls the power consumption of the display circuit, wherein after the image is illuminated, the power management circuit lowers the power consumption of the display circuit until new display data is ready to be presented on the liquid crystal display, the power management circuit arranged for receiving control signals for lowering the power consumption, the control signals resulting from signals from the display circuit that are initiated by the display circuit, the power management circuit and the display circuit being connected together and arranged in a configuration that lowers the power consumption in a self regulating manner. - View Dependent Claims (22, 23, 24)
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27. A docking system for a portable handheld wireless telephone, the portable wireless telephone including a microphone, a speaker, and transceiver circuitry with an external communication interface within a telephone housing, the docking system comprising:
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a housing having a display circuit within the housing that couples with an external communication interface of a handheld wireless telephone; an active matrix liquid crystal display mounted to the housing and connected to the display circuit such that image data received by the wireless telephone is transmitted to the display circuit which generates display data from the image data and presents the display data on the liquid crystal display as an image; a light source positioned in the display housing to illuminate the image; and a power management circuit that controls the power consumption of the display circuit, wherein after the image is illuminated, the power management circuit lowers the power consumption of the display circuit until new display data is ready to be presented on the liquid crystal display, the power management circuit arranged for receiving control signals for lowering the power consumption, the control signals resulting from signals from the display circuit that are initiated by the display circuit, the power management circuit and the display circuit being connected together and arranged in a configuration that lowers the power consumption in a self regulating manner.
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Specification