KR20060062116A - Dual-folder type mobile telecommunication terminal with hologram display device - Google Patents

Abstract

The present invention relates to a dual clamshell mobile communication terminal using an LCD module as an internal display and a hologram indicator as an external display in a dual clamshell mobile communication terminal having internal and external indicators.

The present invention includes a folder in which a keypad is disposed at a front surface and a folder hinged to a hinge frame formed at an upper side of the main body, the folder being foldable from the main body, and having an internal LCD module disposed toward the inside of the housing of the folder. In the clamshell mobile communication terminal, a hologram screen disposed to face the outside of the folder and disposed to be exposed to a predetermined position of the outer surface of the housing, a light source disposed at a predetermined position below the hologram screen, and spaced apart from the light source. Placed in a predetermined position and received by the light emitted from the light source and reflected by a reflective sheet attached to the bottom surface to emit an image light source, and aligned between the holographic screen and the LCD for the micro display for the micro display Image parallel light reflected from an LCD An external hologram display module comprising a transmission optical element for emitting toward a gram screen; And partition walls for partitioning the internal LCD module and the external hologram display module and drive control means for controlling driving of the internal LCD module and the external hologram display module.

Hologram, Mobile Communication, Indicator, Laser, Dual Folder, External Indicator

Description

Dual-folder type mobile telecommunication terminal with hologram display device

1 is a cross-sectional view schematically showing the structure of a mobile communication terminal having a conventional LCD display;

2 is a cross-sectional view schematically showing the structure of a dual clamshell mobile communication terminal having a hologram indicator of the present invention;

3 is an electrical block diagram of a dual clamshell mobile communication terminal having a hologram indicator according to the present invention.

*** Explanation of symbols for the main parts of the drawing ***

10: main body, 12: volume buttons,

14: hinge, 16: flexible cable,

18: battery pack, 20: folder,

22: bulkhead, 23: external LCD module,

24: internal LCD module, 25: hinge,

30: folder, 31: folder housing,

31a: housing outer surface, 32: bulkhead,

33: external HD module, 332: fine LCD,                 

334 a light source, 336 a transmission optical element,

338: hologram screen,

210: control unit, 220: radio frequency transmitting and receiving unit,

222: antenna, 230: key input,

232: function keys, 234: numeric / character keys,

240: memory, 242: program storage,

244: data storage, 250: voice signal processing,

252: microphone, 254: speaker,

260: internal LCD, 262: internal LCD,

270: vibration generating unit, 272: vibration motor,

274: LED driver, 276: LED,

280: camera driver, 282: CCD camera,

284: image processing unit, 286: infrared transmitting and receiving unit,

288: HD drive unit, 290: light source,

292: fine LCD

The present invention relates to a mobile communication terminal having a hologram indicator, and more particularly, to a dual folder type mobile communication terminal implemented by implementing an external indicator as a hologram indicator in a dual folder type mobile communication terminal having internal and external indicators.

In recent years, thanks to the rapid development of semiconductor and communication technology, mobile communication terminals have become an indispensable portable device for individuals, and are evolving in terms of their mechanisms and functions.

That is, in terms of mechanical aspects, the mobile communication terminal has a bar type and a bar type as a basic type, in which a small black and white LCD panel for simple character display is disposed on an upper part of a main body and a keypad is disposed on a lower part thereof. A flip-type cover that covers only the keypad part with a hinged pivot cover to prevent the part from being pressed.The keypad is placed only on the main body and the inner LCD panel is placed inside the folder mounted in a hinged position on the upper part of the main body. Single folder type, single folder type as the basic type, and the external folder of the external LCD panel is also placed on the outside of the folder and recently proposed, the keypad is arranged on the main body and the top and bottom in the main body A large LCD panel has been evolved in a slide-type sequence in which a large LCD panel is arranged outside the slider that slides into the slide.

On the other hand, it should be equipped with a CCD camera in terms of function, a GPS receiver for receiving absolute coordinate data from GPS satellites and guiding its current location, and equipped with an infrared communication element or Bluetooth module for remote control of other devices and other terminals. It is evolving in such a way that near field communication is possible.

1 is a cross-sectional view schematically illustrating a structure of a mobile communication terminal having a conventional LCD display. As shown in FIG. 1, the mechanical configuration of a conventional dual folding mobile communication terminal includes a main body 10 having a keypad (not shown) disposed in front and a hinge frame 14 formed above the main body 10. The hinge 25 may be combined to include a folder 20 that can be folded from the main body 10.

In the above-described configuration, the folder 20 is a folder housing 21 for storing and protecting various components required for the folder 20, and an internal LCD module disposed to face the inside of the folder housing 21 in a folded state. 24) and an external LCD module 23 disposed to face outward. The power and signal lines for the internal LCD module 24 and the external LCD module 23 may be made of a flexible cable 16 extending through the hinge 25 in the main body 10. Furthermore, the internal LCD module 24 operates only in the unfolded state of the folder 20 and is implemented in a relatively large size to serve as a display screen of a user interface screen or a video, while the external LCD module 23 has a field strength and a battery state. It will only display simple and basic information, such as messages or call status. In the drawing, reference numeral 12 denotes a volume button, 20 denotes a battery pack, and 22 denotes a partition partitioning an internal LCD module and an external LCD module.

However, according to the conventional dual folder type mobile communication terminal, since only the simple and static information is displayed through the external LCD module 23, the young people who regard the mobile communication terminal as an important means of their self-expression or personality expression are There was a problem such as not satisfying the desire.

Patent No. 436666 proposes a mobile communication terminal having a hologram screen, and this publication discloses a technology that does not require a flexible cable by displaying an image using a hologram screen as a replacement for all LCD modules. It is. However, according to the prior art, since the sharpness of the image provided by the hologram screen is degraded at the current technology level, there is a problem in that it is insufficient to cover the functions of the main screen such as the user interface.

The present invention has been made to solve the above-mentioned problems, in the dual folder type mobile communication terminal having an internal and an external indicator is displayed by an external indicator using an LCD module as an internal indicator and a hologram indicator as an external indicator. An object of the present invention is to provide a dual clamshell mobile communication terminal having a hologram indicator which enables various and three-dimensional representations of information.

The present invention for achieving the above object comprises a main body with a keypad disposed on the front and a hinge hinged to the hinge frame formed on the upper side of the main body and foldable from the main body, the inner side toward the inside of the housing of the folder A dual clamshell mobile communication terminal having an LCD module disposed therein, the holographic screen disposed to face the outside of the folder and disposed to be exposed to a predetermined position on the outer surface of the housing, and the holographic screen at a lower predetermined position of the holographic screen. A light source disposed, a micro display for emitting an image light source by reflecting the light emitted from the light source and disposed by being separated from the light source by a reflection sheet attached to a bottom surface, and emitting the image light source, the hologram screen, and the micro display LCD Aligned between half of the fine display on the LCD The holographic image outside the display module comprising an optical transmission device which emits the parallel light toward the holographic screen; And partition walls for partitioning the internal LCD module and the external hologram display module and drive control means for controlling driving of the internal LCD module and the external hologram display module.

Hereinafter, a dual folder type mobile communication terminal having a hologram indicator according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings. Prior to this description, the principle of the hologram will be briefly described.

A hologram is an object that records an image due to interference of light, which is recorded on a photographic film (or a suitable surface) and can produce a three-dimensional image when properly illuminated. This type of hologram is a transmission hologram made by two rays of light coming from the same direction (laser light), and reflections made by two white lights (illumination light, flashlight, sunlight, etc.) reaching the hologram film in the opposite direction ( White light) hologram, multipath hologram for viewing two or more images when illuminated from different angles, composite hologram with many plane images of an object combined in one three-dimensional image from different angles, different angles As seen in, there are rainbow holograms and actual image holograms where different colors of an image appear.

2 is a cross-sectional view schematically showing the structure of a dual foldable mobile communication terminal having a hologram indicator of the present invention, and the same reference numerals are given to the same configuration as that of FIG. As shown in Figure 2, the mechanical configuration of the dual foldable mobile communication terminal having a hologram indicator of the present invention is a hinge formed on the main body 10 and the upper side of the main body 10, the keypad (not shown) is disposed in front Hinge coupled to the frame 14 may be made to include a folder 30 that can be folded at an obtuse angle from the body (10).

In the above-described configuration, the folder 30 is a folder housing 31 for storing and protecting various components required for the folder 30, and an internal LCD module disposed to face the inner surface of the folder housing 31 in a folded state. 34 and an external hologram display module (hereinafter, simply referred to as an 'external HD module') 33 disposed to face the outer surface. The power and signal lines for the internal LCD module 34 and the external HD module 33 may be made of a flexible cable 16 extending through the hinge 35 in the main body 10. The internal LCD module 34 may be controlled to operate only in the unfolded state of the folder 30, and the internal LCD module 34 and the external HD module 33 may be partitioned by partitions 32 crossing them.

The external HD module 33 may include a holographic screen 338 and an optical system that provides an image light source to the holographic screen 338. The hologram screen 338 is installed to be exposed at a predetermined position on the outer surface 31a of the folder housing 31 while having a predetermined size, preferably a size smaller than the screen size of the internal LCD module 34. The optical system is mounted below the hologram screen 338 by a predetermined distance to irradiate the image light source to the hologram screen 338. Specifically, the optical system is provided with a light source 334 disposed at a predetermined lower side of the hologram screen 338 and a light source 334 spaced apart from the light source 334 to reflect and receive light emitted from the light source 334 to emit an image light source. LCD microdisplay LCD for fine display; Transmitting optics 332 and < Desc / Clms Page number 12 > arranged between the hologram screen 338 and the fine LCD 332 to emit image parallel light reflected by the fine LCD 332 toward the hologram screen 338. Element 336 may be configured.

In the above-described configuration, the hologram screen 338 is preferably implemented as a transmissive hologram screen because the image light source is irradiated on the rear surface of the hologram screen 338. As the light source 334, all monochromatic light sources for reproducing the original monochromatic stereoscopic image of the object, i.e. all monochromatic light sources such as monochromatic gas laser, monochromatic solid laser, monochromatic diode laser and light emitting diode, can be used. Combination of all kinds of white light sources and white light lasers such as tungsten halogen lamps, xenon lamps, mercury lamps and neon lamps to reproduce stereoscopic images, and all of the above monochromatic light sources which generate red, green and blue light respectively. It can be made with a light source. On the other hand, the fine LCD 332 is preferably implemented as a reflective LCD that plays the role of a hologram. Accordingly, although not shown, a reflection sheet is attached to the bottom surface thereof. The transmission optical element 336 is preferably implemented with a diverging lens.

By the above-described configuration, when the light irradiated from the light source 334 reaches the fine LCD 332, it is converted into an image light source that is a hologram via the fine LCD 332, and the image light source thus converted is then transmitted to the transmission optical element. 336 is emitted toward the diverging lens. Next, the emitted image light source is emitted while passing through the diverging lens is irradiated to the back of the hologram screen 338, so that the user can visually grasp the three-dimensional hologram image displayed on the hologram screen 338. As described above, according to the dual-fold mobile communication terminal of the present invention, since a hologram indicator capable of representing a stereoscopic image is adopted as an external indicator, various types of information displayed on a conventional external indicator, for example, electric field strength and text message arrival notification Caller notifications and battery level indicators can be displayed in a wider variety of ways by introducing images such as animations and still images.

3 is an electrical block diagram of a dual clamshell mobile communication terminal having a hologram indicator according to the present invention. As shown in FIG. 3, the electrical configuration of the dual clamshell mobile communication terminal having the hologram indicator of the present invention is a radio frequency transmitter / receiver 220 that transmits / receives a radio frequency signal with a base station through an antenna 222. And a key input unit 230 for generating a key signal according to various function key operations and a key signal according to numeric / character key operations, and a program storage unit 242 for storing an operating system (OS) or various application programs of the terminal. The memory 240 includes a data storage unit 244 for temporarily storing data generated in a process or storing data set by a user, and a microphone 252 for converting external sound waves into a corresponding analog type voice signal. In addition, a speaker 254 for converting an analog voice signal generated inside the terminal into sound waves corresponds to an analog voice signal input from the microphone 252. A voice signal processor 250 for converting a digital voice signal and converting a digital voice signal into a corresponding analog voice signal and outputting the same to the speaker 254, the internal LCD module 262, and an internal LCD driver 260 for driving the digital voice signal. Vibration motor 272 that generates vibration when operating in vibration mode 100 and its driving unit 270, LED 276 and its driving unit 274 to visually display when an event such as receiving a call or message, And an HD driver 288 for driving the light source 290 and the fine LCD 292 of the external HD module 33, and a controller 210 for controlling them collectively.

In addition, the mobile communication terminal to which the present invention is applied includes a camera driver 280 and a CCD camera for driving the CCD camera 282 under the control of the CCD camera 282 installed in the main body 110 and the controller 210. An image processor 284 for processing the image data output from 282 and an infrared transmitter / receiver 286 for emitting infrared rays and receiving infrared rays emitted from the outside as short-range communication means may be further provided as necessary.

The dual foldable mobile communication terminal having the hologram display of the present invention is not limited to the above-described embodiments and can be modified in various ways within the scope of the technical idea of the present invention. For example, in addition to the aforementioned display information through the external HD module, that is, electric field strength, text message arrival notification, call notification, and battery level, other still images or moving images can be displayed in three dimensions.

According to the dual foldable mobile communication terminal having the hologram indicator of the present invention as described above, the internal LCD module is used as it is for the user interface or the video display, but the hologram indicator is adopted as the external indicator for various and three-dimensional information. Because it can be displayed as a display, it can satisfy the desire of expressing individuality of young people, thereby providing a new breakthrough in the sale of saturated mobile communication terminals.

Claims (7)

A dual foldable movement comprising a main body with a keypad disposed on the front side and a hinge coupled to a hinge frame formed on an upper side of the main body, the folder being foldable from the main body, and having an internal LCD module disposed toward the inside of the housing of the folder. In a communication terminal, A hologram screen disposed to face the outer side of the folder, the hologram screen disposed to be exposed to a predetermined position of the outer surface of the housing, a light source disposed at a lower predetermined position of the hologram screen, and disposed at a position spaced apart from the light source to exit from the light source; The micro-display for emitting the image light source by reflecting the light by the reflective sheet attached to the bottom surface and the hologram screen and the LCD for the micro-display to align the image parallel light reflected by the micro-display LCD. An external hologram display module comprising a transmission optical element for emitting toward the hologram screen; A partition wall partitioning the inner LCD module and the outer hologram display module; And a drive control means for controlling the drive of the internal LCD module and the external hologram display module. The dual clamshell mobile communication terminal according to claim 1, wherein the size of the hologram screen is smaller than the screen size of the internal LCD module. The dual clamshell mobile communication terminal according to claim 1, wherein the hologram screen is a transmissive hologram screen. The dual clamshell mobile communication terminal according to claim 1, wherein the light source is a single white light source. The dual clamshell mobile communication terminal according to claim 1, wherein the light source is a light source consisting of a combination of a single red, green, and blue light source. The dual clamshell mobile communication terminal according to claim 1, wherein the transmissive optical element is a diverging lens. The dual-fold mobile communication terminal according to any one of claims 1 to 6, wherein the information displayed through the hologram indicator includes a picture image.

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