CN2745284Y

CN2745284Y - Portable information terminal

Info

Publication number: CN2745284Y
Application number: CN 200420071823
Authority: CN
Inventors: 张仁淙
Original assignee: Hongfujin Precision Industry Shenzhen Co Ltd; Hon Hai Precision Industry Co Ltd
Current assignee: Hongfujin Precision Industry Shenzhen Co Ltd; Hon Hai Precision Industry Co Ltd
Priority date: 2004-07-16
Filing date: 2004-07-16
Publication date: 2005-12-07
Anticipated expiration: 2014-07-16

Abstract

A portable information terminal, comprising a body, a first cover, a second cover, a light source and a light source base, the first cover includes an optical amplification element, the second cover includes a display device, and the display device includes an LCD (Liquid Crystal Display , liquid crystal display) panels, light guide plates and reflectors, the light source is fixed on the light source base, the light source base can be inserted into the body, and the second cover is located between the first cover and the light source during operation . The portable information terminal of the utility model can realize the projection function by using its own LCD panel together with the optical amplifying element and the light source, which can reduce the manufacturing cost of the portable information terminal with the projection function and also reduce the volume of the device.

Description

Portable data assistance

[technical field]

The utility model is about a kind of portable data assistance, refers in particular to a kind of portable data assistance with projecting function.

[background technology]

Because the development that ICT (information and communication technology) is advanced by leaps and bounds, the various deployments of broadband network are constantly quickened.People stride forward towards ubiquitous a networked society, realize a kind of time, site limitation of not being subjected to, and anyone can obtain the information communication environment of necessary information and knowledge whenever and wherever possible.At this moment, the information terminal as the interface of the direct exchange message of people is absolutely necessary.Mobile phone, PDA portable data assistances such as (Personal Digital Assistant, personal digital assistants) are subjected to extensive attention, and function also constantly strengthens.PDA, mobile phone etc. can be stored the data of relatively large amount, and have the function that surfs the web and consult Email.People are when portable data assistances such as use mobile phone, PDA, sometimes wish that more than one people can see the content that display screen is shown, at this moment just need portable data assistance to have information projection to big surface, so that the function that many people can easy-to-read.

Chinese patent has disclosed a kind of optical projection system No. 01125793.8, other device that this optical projection system is used for mobile phone, personal communicator, mobile computer, wearable computers, PDA(Personal Digital Assistant), desk phone and comprises the display screen of one.Projecting apparatus and this device itself become one or are integral with the charger or the support of this device, perhaps are inserted in this device by card slot.Many people watch for convenience, and this projecting apparatus has been expanded display capabilities with image projection by allowing the user on the surface of large-size, and this image also can similarly be presented on the display screen that is connected with this device.But the direct and above-mentioned information terminal device simple combination of projecting apparatus this device volume is increased, and be not easy to carry, and manufacturing cost is higher relatively.

[utility model content]

The utility model is to carry inconvenience and the too high deficiency of manufacturing cost in order to overcome existing information terminal with projecting function, a kind of portable data assistance with projecting function is provided, it utilizes the LCD display of self installing to realize projecting function, can reduce manufacturing cost and reduce volume.

The technical solution of the utility model is: portable data assistance of the present utility model comprises body, first lid, second lid, light source and light source base, first lid comprises the optics amplifier element, second lid comprises display unit, display unit comprises LCD (LiquidCrystal Display, LCDs) panel, light guide plate and reflecting plate, this light source is fixedly arranged on the described light source base, this light source base can be inserted body, during work, second lid is between first lid and this light source.

The beneficial effects of the utility model are: portable data assistance of the present utility model utilizes the LCD panel of self, cooperate light source and optics amplifier element can realize the function of projection, the manufacturing cost that can reduce the portable data assistance with projecting function also can reduce the volume of this device.

[description of drawings]

Fig. 1 is the end view of the utility model portable data assistance.

Stereogram when Fig. 2 is the utility model portable data assistance closure.

Fig. 3 is the stereogram of the utility model portable data assistance when being used for LCD and showing.

Fig. 4 is the stereogram of the utility model portable data assistance when being used for projection.

[embodiment]

Please in conjunction with consulting Fig. 1 and Fig. 2, portable data assistance of the present utility model comprises body 1, first lid 2, second lid 3, light source 4 and light source base 4a.Body 1 is rotationally connected by articulated structure 12 and articulated structure 13 and first lid 2 and second lid 3 respectively, and wherein articulated structure 12 and articulated structure 13 are can arbitrarily angled rotation and the articulated structure of location.

Body 1 comprises button (not indicating) and housing 1a, housing 1a bottom is provided with a chute 14, light source base 4a can slide in chute 14, when this portable data assistance is closed or when being used for general LCD and showing, light source base 4a can slide in chute 14 and insert among the housing 1a, when this portable data assistance was used for projection imaging, light source base 4a can skid off housing 1a in chute 14, and the light source 4 that is fixedly arranged on the light source base 4a provides light source for projection imaging.

First lid 2 comprises an optics amplifier element 2a, and as convex lens etc., first lid 2 is provided with draw-in groove 2b, and optics amplifier element 2a snaps in this draw-in groove 2b and is fixed on first lid 2, and this optics amplifier element 2a is used for projection imaging.

Second lid 3 comprises a display unit 30 and shell (not label), and display unit 30 comprises a LCD panel 3a and a module 31 backlight.Module 31 backlight is used to LCD panel 3a that back light is provided, and it mainly is made up of light guide plate 3b, reflecting plate 3c and light source (figure does not show).Light guide plate 3b is between LCD panel 3a and reflecting plate 3c.Light guide plate 3b is the light guide plate that has the side-light type light source, and this light source is fixedly arranged on light guide plate 3b one side by modes such as stickups, for LCD panel 3a provides light source to realize general LCD Presentation Function.This light source can be LED (Low Emitting Diode, light-emitting diode), tungsten halogen lamp, el cell, CCFL (Cold Cathode Fluorescent Lamp, cold cathode fluorescent lamp) and metal halide lamp etc.Light guide plate 3b is used to guide the scattering of light direction, is used for improving the brightness of LCD panel 3a, and guarantees the uniformity of the brightness of LCD panel 3a, and it can be wedge type plate or flat board.One side of light guide plate 3b links to each other with the shell of second lid 3 by rotating shaft (figure does not show), and light guide plate 3b can rotate around the axis, when portable data assistance of the present utility model is used for projection imaging, light guide plate 3b rotates around the axis and opens, the light that light source 4 is sent shines directly on the LCD panel 3a, sees through optics amplifier element 2a with the information projection on the LCD panel 3a to wall or on other big surfaces.Reflecting plate 3c is used for the exiting surface with light reflective LCD panel 3a, improve the utilance of light source luminescent, one side of reflecting plate 3c links to each other with the shell of second lid 3 by rotating shaft (figure does not show), reflecting plate 3c can be around this rotating shaft rotating opening, the light that light source 4 is sent can shine on the LCD panel 3a, realizes projecting function.

Light source 4 is a higher source luminance, can be LED, tungsten halogen lamp, el cell, CCFL and metal halide lamp etc., and it is in order to realize projecting function.Light source 4 can be fixedly arranged on by modes such as card slot insertion or direct stickups and can extract out on the pedestal 4a.Light source base 4a can slide in the chute 14 bottom the housing 1a of body 1, when this portable data assistance is closed or when being used for general LCD and showing, light source base 4a can slide in chute 14 and be inserted among the housing 1a, when this portable data assistance is used for projection imaging, light source base 4a can skid off housing 1a in chute 14, the light source 4 that is positioned on the light source base 4a provides light source for projection imaging.

Please in conjunction with consulting Fig. 1 and Fig. 3, when the utility model portable data assistance was used for direct viewing LCD, first lid 2 opened to maximum angle, be on the same straight line with body 1, second lid 3 opens to proper angle, watches LCD for the user, and light source 4 is concealed in second lid below.At this moment, the light guide plate 3b that has the side-light type light source can show LCD panel 3a for LCD panel 3a provides back light.

See also Fig. 1 and Fig. 4, when the utility model portable data assistance is used for projection, first lid 2 and second lid 3 open to suitable location, module backlight is turned over for 31 times, soon light guide plate 3b and reflecting plate 3c rotate around the axis simultaneously and open, pull out light source 4, second lid 3 is between first lid 2 bodies and light source 4, the position that cooperates optics amplifier element 2a and LCD panel 3a, adjust the position of light source 4, make it to realize the function of projection with LCD panel 3a combination, perhaps adjust first lid 2 simultaneously, the position of second lid 3 and light source 4 makes light source 4, LCD panel and optics amplifier element 2a can make up the realization projecting function, with the information projection on the LCD display to wall or on other larger sized surfaces, so that many people can watch simultaneously, expanded the display capabilities of this portable data assistance greatly.

Be appreciated that when the utility model portable data assistance is used for projecting function that because light guide plate 3a has translucidus, can only will turn under the reflecting plate 3c, light source 4 cooperates LCD panel 3a, light guide plate 3b and optics amplifier element 2a can realize the function of projection equally.

Claims

1. A portable information terminal, comprising a body and a hinged structure, characterized in that: the portable information terminal also includes a first cover, a second cover, a light source and a light source base, and the body is connected to the first cover and the second cover respectively The cover bodies are rotatably connected by a hinge structure, the first cover body includes an optical amplification element, the second cover body includes a display device, and the display device includes an LCD panel, a light guide plate and a reflector plate, and the light source is fixed on the light source base. The light source base can be inserted into the main body, and the second cover is located between the first cover and the light source during operation.

2 . The portable information terminal according to claim 1 , wherein a chute is provided at the bottom of the body, and the light source base can be slid on the chute and inserted into the body. 3 .

3 . The portable information terminal according to claim 1 , wherein the light guide plate is rotatably connected to the second cover through a rotating shaft, and can be rotated around the rotating shaft to open. 4 .

4 . The portable information terminal according to claim 1 , wherein the reflecting plate is rotatably connected to the second cover through a rotating shaft, and can be rotated around the rotating shaft to open.

5. The portable information terminal as claimed in claim 1, wherein the hinge structure is a rotatable and positionable hinge structure.

6. The portable information terminal according to claim 1, wherein the light source is an LED.

7. The portable information terminal according to claim 1, wherein the light source is a cold cathode lamp.

8. The portable information terminal according to claim 1, wherein the light guide plate is a flat plate.

9. The portable information terminal as claimed in claim 1, wherein the light guide plate is a wedge-shaped plate.

10. The portable information terminal as claimed in claim 1, wherein the light guide plate is located between the LCD panel and the reflection plate.