TWI274512B - Built-in projecting method and apparatus for hand held mobile device - Google Patents

Abstract

A hand held mobile device is disclosed. The hand held mobile device includes a display controller to format received information into first format information and second format information, a built-in display device to receive the first format information and display one at a time, and a built-in optical projector display device, independent of the built-in display device, for displaying the second format information. The built-in optical projector display device displays information on an external surface. The built-in optical projector display device further includes a light emitting diode (LED) as a light source for projecting light whereby an image of the second format information is projected on the external surface.

Description

1274512 Chemical Formula: IX. Description of the Invention: [Technical Field] The present invention provides a display device and method for a handheld mobile device, and more particularly to a sound installation and method for displaying a built-in projection device of a handheld mobile device. [Prior Art]

Handheld mobile devices such as cell phones or playback devices are gradually becoming an important part of everyday life. When handheld mobile devices become lighter and smaller, in terms of voice communication, although lightweight, mobile devices can bring convenience of carrying, but transmit, receive or play visually viewing information such as e-mail, When the forms, documents, photos, or images in different formats are limited by the size of the handheld mobile device, the size of the display such as the screen on the handheld mobile device will naturally become smaller. When the user views the visual material, it will cause inconvenience or difficulty in recognizing the information content, and the too small display screen also limits the playback quality that the received information such as images can bring to the user. One solution is a built-in projection device for a mobile phone as disclosed in U.S. Patent No. 6,489,934 (U. Pat. No. 6,489,934). This patent discloses a method of projecting an image onto a plane other than a mobile phone using a built-in projection device. It is obvious that the technical implementation of the patent disclosed in this patent is difficult in that the light source portion of the built-in optical projection device disclosed in the patent can be implemented and overcome the design of a handheld mobile device such as a mobile phone. Various problems, such as size, power consumption, and heat generation requirements, which greatly limit the possibility of the conventional technology being specifically implemented in the technology of handheld mobile devices such as existing mobile phones. SUMMARY OF THE INVENTION Therefore, one of the main objects of the present invention is to provide a built-in optical projection device and related method built in a handheld mobile device such as a mobile phone with a light emitting diode (LED) as a light source, so that the handheld action The device is capable of solving the above problems such as volume, power consumption, overheating, etc. while being compact in size and weight, and at the same time, can maintain the original page format and viewing quality of the received data at the time of transmission, so as to increase the use of the received data. In terms of playback, the identifiability and playback are readable. 1274512 According to the patent application scope of the present invention, the present invention discloses a handheld mobile device, which comprises: _7 display control device for formatting a desired message into one of the first formats. Format information; a built-in display device for receiving and displaying information of the first format, and two built-in optical projection devices, read outside the built-in display device for receiving and displaying the second Information on the format 'The built-in optical projection supply further includes a light-emitting diode (LED) light source for projecting information of the second format onto the external_surface. According to the application of the present invention, the present invention further discloses a method for displaying information by using a handheld mobile device, and the method includes a display step

The information of the second type of information, the built-in display step, is used to receive and display the first type of if and a built-in learning ^ display step, different from the built-in display step, used The receiving and constructing optical projection display step projects the second information in an external ϊΞ 丄 丄 包含 包含 利用 利用 利用 利用 利用 利用 利用 利用 利用 利用 利用 利用 利用 利用 利用 利用 利用 利用 利用 利用 利用 利用 利用 利用 利用 利用 利用 利用 利用 利用 利用The second type of information is projected onto the outer surface. The trick of the present invention is that the light source of the built-in optical projection surface of the handheld light-emitting device can make the light source have the advantages of small volume, low power loss, and low volume generation, and the advantages can be Having the built-in optical projection device conform to the handheld mobile device; the singularity of the coffee machine in the light and power saving of the company makes it possible to realize the realization of the optical projection device built in the handheld mobile device, and truly turn the device With the larger and clearer display, the device's makeup is used to wake up the information that you want to display. [Embodiment] Referring to Figure 1, Figure 1 is a schematic diagram showing the display of a handheld mobile device such as a mobile phone 21 according to an embodiment of the present invention. In this embodiment, the mobile phone 21 includes a built-in LCD display 16, a built-in optical projection device 19, and a focus adjuster 17 for adjusting the image definition of the built-in optical projection device i9 projected on an external surface 20, for example, The built-in LCD display 16 is displayed, projected on the external surface 20 by the built-in optical projection device 19, or displayed or not displayed with the built-in LCD display 16 and the built-in optical projection device 19. And a display mode in which the display switch 5 is used to switch the information provided by the mobile phone 21.

Next, please refer to Fig. 1 and Fig. 2 at the same time. Fig. 2 is a functional block diagram of the internal components of the embodiment shown in Fig. 1. The mobile phone 21 includes a display control device 6 for formatting the information to be displayed into information of a first format and information of a second format. The built-in LCD display 16 is configured to receive and display the first type. The format information, as well as the built-in optical projection device 19, is independent of the built-in LCD 1274512 display 16, for receiving and displaying information of the second format, and projecting information of the second format onto the external surface 20 Above, please note that the outer surface 20 can be a table top, wall, paper or any other surface suitable for projection display. The built-in optical projection device 19 includes a light transmissive micro LCD screen 10 and a light emitting diode (LED) light source 9 for driving the light transmissive micro LCD screen 10 through a display driver 7 to display the second format. The information is then projected onto the external surface 2 by the information of the second format displayed on the light transmissive micro LCD screen 10 via the light emitting diode source 9.

The mobile phone 21 further includes a display switch 5 for controlling the display driver 7 to drive the built-in LCD display 16 or the built-in optical projection device 19 so that the visual viewing property information can be switched to display or be displayed on the built-in LCD display 16. The built-in optical projection device 19 displays an iso mode. Through the display switch 5, the user can choose to use the built-in LCD display 16 provided by the mobile phone 21 or the two display modes of the built-in optical projection device 19 to select one of the display modes or two display modes. At the same time, the display switch 5 can also control the display driver 7 so that the built-in LCD display 16 and the built-in optical projection device 19 do not display information for power saving purposes. In addition, in another embodiment, the built-in LCD display 16 further includes a touch panel for receiving user input, such as browsing and switching between different window web pages or files, document processing, and control. When the user switches the display mode to the built-in LCD display 16 or the built-in optical projection device 19 through the display switch 5, the user performs the cursor through the touch panel. The input actions and results are displayed synchronously on the exterior surface 20 projected by the built-in optical projection device 19. In addition, the handset 21 further includes a focus adjuster 17 for adjusting the imaging resolution projected by the built-in optical projection device 19 on the external surface 20, as will be further described in the description of FIG. 3 below. In addition, the mobile phone 21 includes an antenna 1 for receiving a wireless signal transmitted by the wireless communication system, and a receiver 2 for demodulating the wireless signal received by the antenna 1 and a microcontroller 3 for The data after the demodulation is processed and presented to the user through the above display manner. For example, the user can receive digital television video (such as DVB-Η technology) through the mobile phone 21 and project through the built-in optical projection device 19. A viewing of the larger display range of the built-in LCD display 16 is made on the exterior surface 20. In addition, the mobile phone 21 further includes a part for transmitting data for processing the data transmission. Since the technology of this part is well known in many conventional technologies, it will not be repeated here. The data received by the mobile phone 21 may include text, a picture, or an image, etc., and may be temporarily stored in a temporary memory 4 for being provided to a display controller for subsequent processing; the display controller 6 is configured according to Displaying the display mode selection result made by the switcher 5, formatting the data in the register 4 into data corresponding to the display format of the built-in LCD display 16 or the built-in optical projection device 19, and then displaying the switch 5 to control one The display driver 7 drives the corresponding display device in the corresponding display mode to achieve the function of displaying the information for viewing by the user. In this embodiment, the display mode includes a built-in LCD display mode, 1274512, a built-in optical projection display mode, a built-in LCD display 16 and a built-in optical projection device 19 simultaneously display mode, and a built-in LCD display. 16 does not display the mode at the same time as the built-in optical projection device 19. When the mobile phone 21 operates in the built-in LCD display mode by the result of the display switch 5, the display controller 6 transmits the correct format data supplied to the built-in LCD display 16 to the display driver 7, and then displays the drive 7 Driving the built-in LCD display 16 to display the data, please note that the built-in LCD display 16 can be any built-in display device that can be used in the handset 21 or other handheld mobile device, and the present invention does not have a built-in display device There is no need to impose any restrictions on the number. In another embodiment, the above-mentioned components such as the register 4 and the display controller 6 may be integrated into the microcontroller 3, and the functions described in FIG. 2 are embodied at the circuit level. Change and change can be achieved by realizing the demand.

When the mobile phone 21 is operating in the built-in projection display mode, the LCD display 16 does not function, and the built-in optical head unit 19 starts to function. In this mode, the display controller 结果 the result of the switching through the display switch 5 The data of the format to be provided to the built-in optical projection device 19 is transmitted to the display driver 7, and then the display driver 7 drives a light transmissive micro LCD screen 10 in the built-in optical projection device 19 to drive the data of the format. It is displayed on the light transmissive micro LCD screen 10, and the display result on the light transmissive micro LCD screen 10 is projected onto the outer surface 20 through the light emitting diode light source 9 as a light source. The built-in optical projection device 19 will be further described in the description of Fig. 3. Please refer to FIG. 3, which is a functional block diagram of the internal components of the built-in optical projection device 19. The built-in optical projection device 19 comprises: a light-emitting diode source 9; a lens view comprising a reflective lens portion 13 for projecting the non-built-in optical projection device 19 emitted by the light-emitting diode source 9. The light in the output direction is reflected back to the projection output direction, and a concentrating lens portion 14 collects the light emitted by the illuminating diode source 9, and further changes all the light passing through the concentrating lens portion 14 further. a parallel light that is directed toward the projection output direction; a light transmissive micro LCD screen 10, driven by the display driver 7, presents the information to be displayed on the screen, and passes through the light that penetrates the lens module. The data is projected onto the external surface 20 through the light transmissive micro LCD screen 10; a focusing lens module 15 is used to focus the light passing through the light transmissive micro LCD screen 10 in an automatic or manual manner. Imaged on the exterior surface 20; and a heat sink 11 for effectively removing heat generated by the built-in optical projection device 19. The focusing lens module 15 includes a focusing lens group and a focal length adjusting device (not shown) for adjusting the focal length of the focusing lens group to change the projection of the built-in optical projection device 19 on the external surface. 20 image clarity. In FIG. 1 , the user can manually adjust the focal length of the focusing lens group through the focus adjuster 17 , and in another embodiment, the mobile phone 21 further includes an auto focus module (not shown), the automatic The focusing module comprises: an imaging sharpness detecting module for detecting 1274512 reflected light reflected by the built-in optical projection device 19 and reflecting back to the mobile phone 21 via different reflective positions on the external surface 20 and making the best Sharpness measurement; and an automatic adjustment module that adjusts the relative position of the lenses in the focus lens group through a high speed motor based on the optimal sharpness measurement to achieve optimal resolution of the image on the outer surface 20. In another embodiment, the focus adjustment device may further include a focus adjuster 17 , the auto focus module ′ and a switching device for switching a focus adjustment mode of the focus adjustment device, where the focus adjustment mode includes The user manually adjusts the mode through the focus adjuster 17 and automatically adjusts the focus mode through the auto focus module to adjust the image sharpness on the outer surface 20.

Compared with the prior art, the present invention provides a method for implementing a built-in optical projection system, and solves problems such as volume, power consumption and heat that the prior art will face in implementation, so that a handheld wireless mobile device such as a mobile phone can be used. The display screen range of portable multimedia playback devices, portable video game devices, personal digital assistants, etc. is not limited by factors such as the need for the device itself to be lightweight, and the browsing of web pages such as lightweight mobile devices , word processing, or viewing the visibility of digital TV broadcasts or movies. One of the advantages of the present invention is that the light source of the built-in optical projection device of the handheld mobile device can have the advantages of small volume, low power loss, and low heat generation. The built-in optical projection device conforms to the design and the light weight and power saving requirements of the handheld mobile device, such as the mobile phone, so that the realization of the optical projection device built in the handheld mobile device becomes possible, and the user of the handheld mobile device is truly facilitated. To view the information that the handheld mobile device wants to display through a larger and clearer display range. The above is only the preferred embodiment of the present invention, and all changes and modifications made by the scope of the present invention should be covered by the present invention. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic view showing the display of a handheld mobile device according to an embodiment of the present invention. Fig. 2 is a block diagram showing the internal components of the embodiment shown in Fig. 1. Section: 3 is the internal components of the built-in optical projection device. Block diagram symbol Description Antenna 1 Heatsink Receiver | 2 Reflective Lens Part Microcontroller | 3 Concentrating Lens Section 1274512 Register 丨 4 Focus Lens 15 display switcher: 5 built-in LCD display 16 display controller 6 i focal length adjuster: 17 display driver Π ......................... .................................................. .................................................. 1 Built-in optical projection device 19 Light-emitting diode light source: 9 External surface 20 Light-transmissive micro LCD screen 10 21 X. Patent application scope: A handheld mobile device, the device comprises:

a display control device for formatting the information to be displayed into information in a first format and information in a second format; - a built-in display device for receiving and displaying the first format Information; and a built-in optical projection device for receiving and displaying information of the second format independently of the built-in display device, the built-in optical projection device projecting information of the second format to On the external surface, the built-in optical projection device further comprises: a light emitting diode (LED) light source for projecting the information of the second format onto the external surface 0 2 as claimed in claim 1 The handheld mobile device, wherein the built-in optical projection device comprises a lens module for further parallelizing the light emitted by the light emitting diode source. 3. The handheld mobile device of claim 2, wherein the lens module comprises a reflective lens portion for directing the non-directional optical projection emitted by the light emitting diode light source The light in the projection output direction of the device is reflected back to the projection output direction of the built-in optical projection device; and a concentrating lens portion is configured to collect the light emitted by the light emitting diode light source and to pass all the light through the condensing light The light of the lens portion is parallelized. 4. The handheld mobile device of claim 1, wherein the device comprises a switching device for switching a display mode of information received by the handheld mobile device, the display mode comprising: a display with the built-in a mode in which the device is displayed; a mode displayed by the built-in optical projection device; a mode in which the built-in display device and the built-in optical projection device are simultaneously displayed; and a built-in display device and the built-in optical projection The device does not display the mold at the same time 5^ °

Claims (1)

1274512 Register 丨4 Focusing Lens 15 Display Switcher: 5 Built-in LCD Display 16 Display Controller 6 i Focus Adjuster: 17 Display Driver ...... .................. .................................................. .................................................. ........ 1 Built-in optical projection device 19 Light-emitting diode light source: 9 External surface 20 Light-transmissive micro LCD screen 10 21 X. Patent application scope: A handheld mobile device, the device comprises: a display control device for formatting the information to be displayed into information in a first format and information in a second format; - a built-in display device for receiving and displaying the first format Information; and a built-in optical projection device for receiving and displaying information of the second format independently of the built-in display device, the built-in optical projection device projecting information of the second format to On the external surface, the built-in optical projection device further comprises: a light emitting diode (LED) light source for projecting the information of the second format onto the external surface 0 2 as claimed in claim 1 The handheld mobile device, wherein the built-in optical projection device comprises a lens module for further parallelizing the light emitted by the light emitting diode source. 3. The handheld mobile device of claim 2, wherein the lens module comprises a reflective lens portion for directing the non-directional optical projection emitted by the light emitting diode light source The light in the projection output direction of the device is reflected back to the projection output direction of the built-in optical projection device; and a concentrating lens portion is configured to collect the light emitted by the light emitting diode light source and to pass all the light through the condensing light The light of the lens portion is parallelized. 4. The handheld mobile device of claim 1, wherein the device comprises a switching device for switching a display mode of information received by the handheld mobile device, the display mode comprising: a display with the built-in a mode in which the device is displayed; a mode displayed by the built-in optical projection device; a mode in which the built-in display device and the built-in optical projection device are simultaneously displayed; and a built-in display device and the built-in optical projection The device does not display the mold at the same time. 5^° 1274512 5. The mobile device as described in claim 4, wherein the built-in display device is a liquid crystal display device (LCD). 6. The hand-held mobile device of claim 5, wherein the built-in display device comprises a touch panel for use as an input device of the mobile device. 7. The handheld mobile device of claim 1, wherein the built-in optical projection device comprises: a focusing lens group; a focal length adjusting device for adjusting a focal length of the focusing lens group to change the inner lens The degree of image clarity of the optical projection device projected onto the outer surface. 8. The handheld mobile device of claim 7, wherein the focus adjustment device comprises: a user manual focus module. 9. The handheld mobile device of claim 7, wherein the focal length adjusting device comprises: an imaging sharpness detecting module for detecting that the built-in optical projection device is projected onto the external surface Reflecting light back to the handheld mobile device and generating an imaging sharpness measurement result; and an automatic adjustment module for adjusting the focusing lens group to adjust imaging projected on the external surface according to the imaging sharpness measurement result Sharpness. 10. The handheld mobile device of claim 1, wherein the handheld mobile device is a mobile phone. 11. The handheld mobile device of claim 1, wherein the handheld mobile device is a portable multimedia playback device. 12. The handheld mobile device of claim 1, wherein the handheld mobile device is a portable electric gaming device. 13. The hand-held mobile device of claim 1, wherein the device includes a heat sink for dissipating heat generated by operation of the device. 14. A method for displaying information by a mobile device, the method comprising: a display control step for formatting the information to be displayed into information in a first format and information in a second format; Displaying steps for receiving information to display the first format; and a built-in optical projection display step different from the built-in display step for receiving and displaying the second type 10 1274512, the information The optical projection display step projects the information of the second format on an external surface, and the built-in optical projection display step further comprises: - using the light source 1 (LED) as the light source __ Used to project information of the first format onto the external surface. 15. The method of claim 14, wherein the method comprises an information display mode of the handheld mobile device, the display mode: a mode in which the display step is displayed in a built-in manner; - a built-in optical projection display The step display mode; - the mode in which the built-in display step and the built-in optical projection multi-display step are simultaneously displayed; and the mode in which the built-in display step and the built-in optical projection display step are not displayed at the same time. The method of claim 14, wherein the built-in optical projection display step comprises the step of parallelizing the light emitted by the light emitting diode source using a lens module. The method of claim 16, wherein the optical projection display step further comprises: a reflecting step for displaying the non-directional optical display by the light emitting diode source The light in the projection output direction is reflected back to the projection output direction of the optical projection display step; and a concentrating step ' is used to collect and illuminate the light emitted by the light emitting diode source. The method of claim 14, wherein the built-in display step comprises: a step of inputting and controlling the handheld mobile device by using a touch screen, and switching to the built-in display through the switching step The step and the built-in optical projection display step simultaneously display the mode, and the process of inputting and controlling the handheld mobile device in a touch manner can be simultaneously displayed on the external surface. 19. The valve of claim 14 is wherein the built-in optical projection display step includes a focus adjustment step for adjusting the image resolution of the optical projection display step projected on the outer surface. 20. The method of claim 19, wherein the focal length adjustment step comprises the step of the user manually adjusting the imaging sharpness projected onto the outer surface in the optical projection display step. The method of claim 19, wherein the focus adjustment step comprises: a step of automatically adjusting an image resolution projected on the outer surface in the optical projection display step, the step comprising: An imaging sharpness detecting step 'to detect the projection by the built-in optical projection display step to the 1274512 The external surface is then reflected back to the light of the mobile device and produces an imaging sharpness measurement result; and an automatic adjustment step for adjusting the focal length of the built-in optical projection display step to automatically adjust according to the imaging sharpness measurement result The sharpness of the image projected onto the outer surface. 12 1274512 V. SUMMARY OF THE INVENTION The present invention discloses a handheld mobile device having a display control device for formatting information to be displayed into information in a first format and information in a second format. a built-in display device for receiving information for receiving and displaying the first format, and a built-in optical projection device for receiving and displaying the second singular format independently of the built-in display device Information that the built-in optical projection device projects information of the second format onto an external surface, the built-in optical projection device further having a light emitting diode (LED) light source for the second format The information is projected onto the outer surface. Sixth, English invention summary: The hand held mobile device is a display device to format received information into first format information and second format information, a built-in display device to receive the first format information and display one at a time, and The built-in optical projector display device further includes the built-in optical projector display device further includes the built-in optical projector display device further includes the built-in optical projector display device further includes A light emitting diode (LED) as a light source for projecting light from an image of the second format information is projected on the external surface. VII. Designated representative map: (1) The representative representative map of the case is: (2). (2) A brief description of the components of the representative figure: Display driver 7 Optical projection display device 19 Light-emitting diode light source........................ ......................................... 9 Light penetrating miniature LCD screen. .................................................. ................ 10 Heatsink 11 LCD screen 12 Please reveal the antenna that best shows the characteristics of the invention; 1 ................ .......................................: Receiver|2 |3: Registers............................................ .................................................. ......|4......................................5 Display Control [6] If there is a chemical formula, 1274512 Chemical formula: IX. Description of the invention: [Technical Field] The present invention provides a display device and method for a handheld mobile device, and more particularly, a built-in projection device for a handheld mobile device Sound and method of installation. [Prior Art] Handheld mobile devices such as cell phones or playback devices are gradually becoming an important part of everyday life. When handheld mobile devices become lighter and smaller, in terms of voice communication, although lightweight, mobile devices can bring convenience of carrying, but transmit, receive or play visually viewing information such as e-mail, When the forms, documents, photos, or images in different formats are limited by the size of the handheld mobile device, the size of the display such as the screen on the handheld mobile device will naturally become smaller. When the user views the visual material, it will cause inconvenience or difficulty in recognizing the information content, and the too small display screen also limits the playback quality that the received information such as images can bring to the user. One solution is a built-in projection device for a mobile phone as disclosed in U.S. Patent No. 6,489,934 (U. Pat. No. 6,489,934). This patent discloses a method of projecting an image onto a plane other than a mobile phone using a built-in projection device. It is obvious that the technical implementation of the patent disclosed in this patent is difficult in that the light source portion of the built-in optical projection device disclosed in the patent can be implemented and overcome the design of a handheld mobile device such as a mobile phone. Various problems, such as size, power consumption, and heat generation requirements, which greatly limit the possibility of the conventional technology being specifically implemented in the technology of handheld mobile devices such as existing mobile phones. SUMMARY OF THE INVENTION Therefore, one of the main objects of the present invention is to provide a built-in optical projection device and related method built in a handheld mobile device such as a mobile phone with a light emitting diode (LED) as a light source, so that the handheld action The device is capable of solving the above problems such as volume, power consumption, overheating, etc. while being compact in size and weight, and at the same time, can maintain the original page format and viewing quality of the received data at the time of transmission, so as to increase the use of the received data. In terms of playback, the identifiability and playback are readable.