KR100703312B1 - Mobile phone having laser projection display - Google Patents

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable terminal having a laser projection display configured to display a light beam on a screen portion or to display an external large screen without the screen portion in accordance with the use of the terminal in the terminal having the laser projection display. To this end, it is composed of a screen unit for displaying an image by projecting a light beam radiated from the laser projection display by being pulled in / out from the terminal, and a screen winding unit provided in the terminal to wind the screen unit in / out of the terminal. In this way, the display function of the laser projection display can be improved, the image can be viewed through the screen unit, and the light beam of the laser projection display provided in the terminal can be projected on a large external screen to It can also be used as a prosector function to watch videos together. By constructing a flexible screen unit wound around the terminal, there is no need for mounting space of the screen unit in the terminal, thereby minimizing and slimming the terminal.

Laser projection display, portable terminal, screen section, screen winding section

Description

MOBILE PHONE HAVING LASER PROJECTION DISPLAY}

1 is a view showing a state of use of the laser projection display provided in a conventional portable terminal.

Figure 2 is a side cross-sectional view showing a state of use of the screen portion of the configuration of a portable terminal having a laser projection display according to a first embodiment of the present invention.

3 is an enlarged side cross-sectional view of portion A of FIG.

4 is a side cross-sectional view showing a state used as a projector function of a portable terminal having a laser projection display according to a first embodiment of the present invention.

Figure 5 is a side cross-sectional view showing the use of the screen portion of the configuration of the mobile terminal having a laser projection display according to a second embodiment of the present invention.

6 is a side cross-sectional view showing a state used as a projector function of a portable terminal having a laser projection display according to a second embodiment of the present invention.

FIG. 7 is a side cross-sectional view illustrating a use state of a screen unit in a configuration of a portable terminal having a laser projection display according to a third exemplary embodiment of the present invention. FIG.

FIG. 8 is a side sectional view showing a state used as a projector function of a portable terminal having a laser projection display according to a third embodiment of the present invention; FIG.

9 is a perspective view showing a state of use of the rotating means of the configuration of a portable terminal having a laser projection display according to a third embodiment of the present invention.

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable terminal having a laser projection display, and more particularly, to a portable terminal having a laser projection display configured to display a light beam on a screen unit or display an external large screen without a screen unit according to the use of the terminal in the portable terminal. It relates to a terminal.

In general, it is multifunctional according to the needs of consumers recently, and its size is miniaturized, and among the multifunctionals, it is possible to download MP3 music by accessing voice communication, radio listening, and the Internet. With digitization, it can be easily obtained from portable terminals, PDAs, computers and notebooks.

In addition, the data output device of the portable terminal commonly uses a display unit (LCD). Basically, the keypad used for data input consists of an arrangement of a plurality of keys.

Such a portable terminal has a bar type terminal in which a communication device, an input device, an output device, etc. are installed in one housing, a flip type terminal in which a flip cover is rotatably installed in the bar type terminal, and a pair of housings are separated from each other. It is classified into a folder type terminal and the like installed to be rotatable in an adjacent direction. In particular, the folder type terminal is easy to carry by folding a pair of housings, and when a pair of housings are used apart from each other when talking, the portable terminal occupies the mainstream of the portable terminal market because of its portability and convenience. Recently, sliding type and swing type terminals have appeared in the portable terminal market to satisfy various tastes of users.

On the other hand, mobile communication services have been initially limited to voice calls and short message transmission.However, with the development of mobile communication technology, on-demand video, music video, movie / music file playback, TV watching, games, mobile banking, etc. The trend is expanding to various service areas.

However, in order to enjoy on-demand video, music video, movie / music file playback, TV viewing multimedia services, it is essential to see the screen displayed through the display unit.

In addition, as shown in FIG. 1, a laser projection display 2 (LPD) is mounted on a conventional portable terminal 1, and the terminal 1 is connected to the terminal 1 by light rays projected from the laser projection display 2. Although viewed through the provided display unit 3 (LCD). Since the laser projection display and the display unit for the terminal must be provided in the terminal, a mounting space is required separately in the terminal, thereby increasing the thickness of the terminal and causing a reduction in miniaturization and slimming.

In addition, the laser projection display has a limitation in viewing a small screen when multiple people watch together because the image should be viewed only by the display unit fixed to the terminal.

Accordingly, an object of the present invention is to solve the conventional problems as described above, and an object of the present invention is to view an image through a screen unit according to the use of a terminal in a terminal having a laser projection display, and to provide a laser in the terminal. The present invention provides a portable terminal having a laser projection display for viewing an image by projecting a light beam of the projection display onto a large external screen.

Another object of the present invention is to provide a portable terminal having a laser projection display which can improve the display function of the laser projection display by configuring a screen unit to be drawn / out into the terminal as the terminal is wound up.

 It is still another object of the present invention to provide a portable terminal having a laser projection display which allows the terminal to be miniaturized and slim by constituting a flexible screen unit wound around the terminal, without requiring a mounting space of the screen unit in the terminal.

In order to achieve the above object, the first embodiment of the present invention. In a mobile terminal having a laser projection display for projecting the light beam of the light source to the front,

A screen unit configured to display an image by projecting light rays which are drawn / drawn from the terminal and radiated by the laser projection display as the coil is wound; And

It is characterized in that the screen is provided in the terminal comprises a screen winding unit for retracting / retractable from the terminal.

In addition, in order to achieve the above object, a second embodiment of the present invention, in the sliding type portable terminal having a laser projection display for projecting the light beam of the light source to the front,

A screen unit configured to display an image by projecting light rays emitted from the laser projection display according to the sliding movement of the terminal; And

It is characterized in that it is provided in the screen portion adjacent to the light transmitting portion for transmitting the light beam to the front of the terminal in accordance with the sliding movement of the terminal.

In addition, in order to achieve the above object, a third embodiment of the present invention. A folder type portable terminal having a laser projection display for projecting a light beam of a light source to the front,

As the folder is opened and closed from the main body housing by using a hinge device, the laser projection display is also rotated to project the light rays emitted from the laser projection display to display an image or to project the front surface of the terminal. ; And

And rotating means for rotating the laser projection display in accordance with opening and closing of the folder.

Hereinafter, the first embodiment of the present invention will be described with reference to the accompanying drawings.

As shown in FIGS. 2 and 3, the laser projection display (LPD) of the portable terminal 1 applies a beam of white light emitted from the light beam A1 by an optical separation optical system. The light beams of the monochromatic light are respectively modulated by the optical modulator 2c according to the color signal output from the image signal processing unit 2b for processing the input composite video signal. It consists of a lens system 2d for projecting light.

As shown in FIGS. 2 and 4, the portable terminal 1 having the laser projection display 2 includes a screen unit 10 and a screen winding unit 20, and the screen unit 10 is wound. Therefore, the terminal 1 is provided in the terminal 1 to display an image by projecting the light beam A1 that is drawn in / out of the terminal 1 and radiated from the laser projection display, and the screen winding unit 20 is the screen unit. A terminal 10 is provided in the terminal 1 so that the terminal 1 can be wound up and pulled out.

The screen unit 10 is made of a flexible material to be wound.

The screen guide part 21 is provided at a position adjacent to the screen winding part 20 to guide the screen part 10 when the terminal 1 is pulled in / out.

A knob 11 is formed at the end of the screen unit 10 so as to be exposed to the outside of the terminal 1 and to facilitate the drawing / out of the screen unit 10 from the terminal 1.

As shown in FIG. 3, the screen unit 10 includes a diffusion sheet 12, a polarizing sheet 13, a protective sheet 14, and a fluorescent material 15, and the diffusion sheet 12 includes the diffusion sheet 12. The light beam A1 is projected to the front through the lens portion 2d, and the polarizing sheet 13 is installed on the rear surface of the diffusion sheet 12 so that the light beam A1 can be refracted. The protective sheet 14 is installed on the rear surface of the polarizing sheet 13 to protect the respective sheets 12 and 13, and the fluorescent material 15 emits light. (14) is installed on the back.

The operation of the portable terminal having the laser projection display according to the first embodiment of the present invention having the above configuration will be described in more detail with reference to FIGS. 2 to 4.

As shown in FIG. 2, the portable terminal 1 having the laser projection display 2 includes a screen unit 10 and a screen winding unit 20.

In this state, when the user watches a video such as a TV or a movie, the user pulls the knob 11 of the screen unit 10 provided in the terminal 1.

In this case, the knob 11 is exposed to the outside of the terminal 1.

When the screen unit 10 is pulled, the screen winding unit 20 provided in the terminal 1 is released while the screen unit 10 is pulled out of the terminal 1 and the screen winding unit 20 is removed. Guided by the screen guide portion 21 provided at the adjacent position of the withdrawal.

The screen unit 10 is located at the front of the laser projection display 2 provided in the terminal 1 while the screen unit 10 is withdrawn from the terminal 1.

In this state, as shown in FIG. 3, the light ray A1 projected through the lens portion 2d of the laser projection display 2 is diffused into the diffusion sheet 12 of the screen portion 10.

The rear surface of the diffusion sheet 12 is provided with a polarizing sheet 13 for refracting the light beam A1, and the protective sheet 14 for protecting the sheets 12 and 13 is provided on the rear surface of the polarizing sheet 13. ) Is provided, the fluorescent material 15 is provided on the rear surface of the protective sheet 14.

In this case, as shown in FIG. 4, when the user uses the projector function to watch an image with several people through the terminal 1, the screen unit 10 is again used as the screen winding unit 20 of the terminal 1. ) And wound into the terminal (1).

In this state, the light beam A1 of the laser projection display 2 is projected on an external large screen (not shown) to use the terminal 1 as a projector function.

In addition, with reference to Figures 5 and 6 attached to the operation of the portable terminal having a laser projection display according to a second embodiment of the present invention will be described in detail as follows.

As illustrated in FIG. 5, the sliding type portable terminal 101 including the laser projection display 2 that projects the light beam A1 to the front surface includes a screen unit 30 and a light transmitting unit 40.

In this state, when the user watches a video such as a TV or a movie, the sliding housing 101b of the sliding type portable terminal 101 is slid and moved from the main housing 101a.

In this case, the screen unit 30 is embedded in the sliding housing 101b, and a laser projection display 2 is embedded in the body housing 101a.

When the sliding housing 101b is slidably moved, the screen unit 30 embedded in the sliding housing 101b is positioned in front of the laser projection display 2.

In this state, when the light beam A1 of the laser projection display is projected through the lens portion 2d of the laser projection display 2. The light beam A1 is projected on the screen unit 30 to display an image.

Here, as shown in Figure 6, when the user uses the projector (projector) function that can watch the image with several people through the terminal, the sliding housing (101b) is moved back to the main body housing (101a) by sliding, In the state, the light transmitting part 40 provided in the sliding housing 101b is located in front of the laser projection display 2.

At this time, the light beam A1 of the laser projection display 2 is projected on an external large screen (not shown) to use the terminal 101 as a projector function.

In addition, the operation of the portable terminal with a laser projection display according to a third embodiment of the present invention will be described in more detail with reference to FIGS. 7 to 9.

As shown in FIG. 9, a folder 102b type portable terminal 102 having a laser projection display 2 for projecting the light beam A1 to the front surface comprises a screen unit 400 and a rotating means 500.

In this state, as shown in FIG. 7, when the user watches a video such as a TV or a movie, the folder 102b of the folder 102b type portable terminal 102 is hinged from the main body housing 102a. Rotate using 102c).

In this case, the front of the folder (102b) is provided with a screen unit 400, the body housing (102a) has a laser projection display (2) is built.

When the folder 102b is rotated and opened, the screen unit 400 provided at the front of the folder 102b is positioned at the front of the laser projection display 2.

At this time, the rotating unit 502 formed on one side of the laser projection display 2 is rotated to position the light beam A1 of the laser projection display 2 to be projected onto the screen unit 400.

As shown in FIG. 9, since the rotating unit 400 is connected to the rotary connecting unit 501 formed on one side of the laser projection display 2, when the rotating unit 502 is rotated, the rotating unit 501 is rotated together with the rotary connecting unit 501. The laser projection display 2 also rotates.

In this state, an image is displayed by projecting the light beam A1 onto the screen unit 400 through the lens unit 2d of the laser projection display 2.

Here, as shown in FIG. 8, when the user uses the projector function to watch an image with several people through the terminal 102, the folder 102b is rotated back to the main body housing 102a and then repositioned. At this time, the rotation unit 502 is rotated and the laser projection display 2 is also rotated to its original position.

In this state, the light beam A1 of the laser projection display is projected onto an external large screen (not shown) to use the terminal 102 as a projector function.

The portable terminal having the laser projection display of the present invention described above is not limited to the above-described embodiments and drawings, and various substitutions, modifications, and changes are possible without departing from the technical spirit of the present invention. It will be apparent to those of ordinary skill in the art.

According to the portable terminal provided with the laser projection display according to the present invention as described above,

By constructing a screen unit to be pulled into / out of the terminal according to the winding of the terminal equipped with the laser projection display, the display function of the laser projection display can be improved, the image can be viewed through the screen unit, and the laser projection display provided in the terminal It can also be used as a projector function that allows users to watch images with multiple people by projecting the light beams on a large external screen. By constructing a flexible screen unit wound around the terminal, there is no need for mounting space of the screen unit in the terminal, thereby minimizing and slimming the terminal.

Claims (14)

In a mobile terminal having a laser projection display for projecting the light beam of the light source to the front, A screen unit configured to display an image by projecting light rays which are drawn / drawn from the terminal and radiated by the laser projection display as the coil is wound; And A portable terminal having a laser projection display, which is provided in the terminal and comprises a screen winding unit for winding the screen unit in / out of the terminal. The portable terminal of claim 1, wherein the screen unit is made of a flexible material. The portable terminal of claim 1, further comprising a screen guide unit configured to guide the screen unit when the screen unit is pulled in / out from the terminal. The portable terminal of claim 1, wherein a knob exposed to the outside is further formed at an end of the screen unit. The apparatus of claim 1, wherein the screen unit comprises: a diffusion sheet for diffusing the light beam projected to the front surface; A polarizing sheet installed at a rear surface of the diffusion sheet to refract the light beam; A protective sheet protecting the respective sheets; Portable terminal having a laser projection display, characterized in that consisting of a fluorescent material installed on the back of the protective sheet According to claim 1, When watching an image using the screen unit, the screen unit wound on the screen winding unit is drawn out and pulled out from the terminal, and positioned in front of the laser projection display, the light beam of the laser projection display to the screen unit Project it onto to display the image, When the laser projection display is used as a projector function, the screen unit is wound up by the screen winding unit and drawn into the terminal to project the light beam of the laser projection display onto an external large screen. A mobile terminal having a. A sliding type mobile terminal having a laser projection display for projecting a light beam of a light source to the front, A screen unit configured to display an image by projecting light rays emitted from the laser projection display according to the sliding movement of the terminal; And The portable terminal having a laser projection display provided at a position adjacent to the screen unit and configured to transmit a light beam to the front surface of the terminal according to the sliding movement of the terminal. The portable terminal of claim 7, wherein the screen unit and the light transmitting unit are mounted to the sliding housing that slides from the main housing of the sliding type mobile terminal. The portable terminal of claim 7, wherein the laser projection display is mounted to the body housing. The method according to claim 7 or 8, wherein when the sliding housing is slid from the body housing of the terminal, the screen unit provided in the sliding housing displays the light beam of the laser projection display provided in the body housing, When the sliding housing is slid back to the main body housing again, the laser beam of the laser projection display is projected to the large external screen outside the front of the terminal through the light transmitting portion of the sliding housing used as a function of the projector A mobile terminal with a projection display. A folder type portable terminal having a laser projection display for projecting a light beam of a light source to the front, A screen unit which rotates the laser projection display together with a hinge device to open and close the folder from the main body housing so as to project light rays emitted from the laser projection display to display an image or to project onto a front surface of the terminal; And Rotating means for rotating the laser projection display in accordance with opening and closing the folder, The rotating means may include a rotation connector connected to one side of the laser projection display; And a rotary unit connected to the rotary connection unit and configured to rotate the laser projection display when exposed to the outside of the terminal and rotated by an external artificial force. The portable terminal of claim 11, wherein the screen unit is provided at a front surface of the folder. delete The laser beam of claim 11, wherein when the folder is rotated at a predetermined angle from a main housing of the terminal by using a hinge device, the rotating part rotatably connected to the laser projection display in the terminal is rotated to generate the laser at a predetermined angle. Rotating the projection display, projecting the light beam of the laser projection display to display on the screen unit provided on the front of the folder, When the folder is closed from the main housing of the terminal using a hinge device at a predetermined angle, the rotating unit connected to the laser projection display is rotated again to project the light beam onto an external large screen on the front of the terminal to function. Portable terminal having a laser projection display, characterized in that used as.

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