CN1941804A

CN1941804A - Portable electronic device with illuminating function

Info

Publication number: CN1941804A
Application number: CN 200510100093
Authority: CN
Inventors: 江宗韦
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: 2005-09-30
Filing date: 2005-09-30
Publication date: 2007-04-04
Anticipated expiration: 2025-09-30
Also published as: CN1941804B

Abstract

The portable electronic device comprises a case, a display module, at least one luminous component, a shifter and a drive. On the surface of body there is at least one light-transmitting window; the display module comprises a backlight plate; the luminous component is used for providing a light source. The shifter comprises multi light receiving surfaces corresponding to the luminous component and a light outgoing surface corresponding to a light guide plate; the light received by the light receiving surface can be transmitted to the light outgoing surface and is sent out by the light outgoing surface; the light receiving surface of the shifter can be shifted between a position aligned with the luminous component and a position being stagger with luminous component; when the light receiving surface is aligned with the luminous component, the receiving surface receives the light from luminous component and transmits it to the luminous surface to send out; when the light receiving surface is stagger with the luminous component, the light from the luminous component can be sent out from the light-transmitting window; the drive is connected to the shifter and drives the shifter to shift.

Description

The portable electron device of tool illumination functions

[technical field]

The invention relates to a kind of portable electron device, particularly about a kind of portable electron device of tool illumination functions.

[background technology]

Development along with the radio communication and the information processing technology, mobile phone, PDA (Personal DigitalAssistant, personal digital assistant) etc. portable electron device competitively emerges in large numbers, and makes the consumer can enjoy all facilities that high-tech brings whenever and wherever possible to the full.

One illuminating lamp is set on the conventional portable electronic installation,, accurately finds practical problems such as keyhole when under fortuitous events such as power failure or street lamp damage, opening door and car door because of the temporary lighting that can solve well in the dark easy to carry.

The Chinese patent of announcing on August 6th, 2003 has disclosed a kind of mobile phone of tool illumination functions for No. 02276975.7, this mobile phone comprises digital processing element, LCDs, power supply, keyboard, antenna and the casing of mobile phone commonly used, the switch that also includes lighting circuit, is arranged at the illuminating lamp on the lighting circuit and is used to control the illuminating lamp opened/closed, illuminating lamp is embedded on the casing, the power supply double as mains lighting supply of mobile phone.Illuminating lamp in this mobile phone only can provide illuminating effect, and the LCD screen backlight of mobile phone need provide light source in addition, thereby causes design iterations, is unfavorable for that the function of mobile phone is integrated and the cost reduction.

In view of this, provide a kind of and illumination functions and the portable electron device that provides the function of back light to be integrated in one for LCDs can be necessity in fact.

[summary of the invention]

Given this, be necessary to provide a kind of portable electron device of tool illumination functions.

A kind of portable electron device of tool illumination functions, it comprises a housing, a display module, at least one light-emitting component, a switching mechanism and a drive unit.This surface of shell offers at least one optical transmission window, this display module comprises a backlight, this at least one light-emitting component is in order to provide light source, this switching mechanism comprises a plurality of receipts light face and exiting surfaces that match with the light guide plate incidence surface corresponding to light-emitting component, and the light that receipts light face is received can transfer to light-emitting area and send, the receipts light face of this switching mechanism can switch between the light-emitting component in aiming at light-emitting component and staggering, when this receives light in the face of accurate light-emitting component, receive the light that light light-emitting component that face receives sends and transfer to light-emitting area and send, when this receipts light face staggered light-emitting component, the light that light-emitting component sends penetrated portable electronic device shell by optical transmission window.This drive unit links to each other with changeover module, and can drive the switching mechanism switching.

The portable electron device of described tool illumination functions can make the light-emitting component of the LCD screen backlight of portable electron device indispensability use in particular cases can be used as illumination by a switching device shifter, and can reduce the manufacturing cost of tool illumination functions portable electron device, the additional function of portable electron device is expanded, has increased its scope of application.

[description of drawings]

Fig. 1 is the schematic perspective view of portable electron device one execution mode of tool illumination functions of the present invention.

Fig. 2 is that portable electron device one execution mode of tool illumination functions of the present invention is in the partial sectional view of primary importance.

Fig. 3 is that portable electron device one execution mode of tool illumination functions of the present invention is in the sectional perspective schematic diagram of primary importance.

Fig. 4 is the enlarged drawing at Fig. 2 IV place.

Fig. 5 is that portable electron device one execution mode of tool illumination functions of the present invention is in the partial sectional view of the second place.

Fig. 6 is that portable electron device one execution mode of tool illumination functions of the present invention is in the sectional perspective schematic diagram of the second place.

Fig. 7 is the enlarged drawing at Fig. 5 VII place.

Fig. 8 is the sectional perspective schematic diagram of the another execution mode of the portable electron device of tool illumination functions of the present invention in the second place.

[embodiment]

The portable electron device of tool illumination functions of the present invention can be mobile phone, PDA etc., and present embodiment is that example describes with the mobile phone.

See also Fig. 1 to Fig. 3, this portable electron device comprises a housing 10, a display module 20, at least one light-emitting component 30, a switching mechanism 40 and a drive unit 50.This drive unit 50 drive switching mechanisms 40 switch and make beam Propagation that light-emitting component 30 sends to display module 20 with do backlight or housing 10 outside to throw light on.

Housing 10 comprises a procapsid 11 and back casing 12, and procapsid 11 and back casing 12 complement each other to form by buckle structure (figure does not show).Procapsid 11 offers a display window 13 and a plurality of optical transmission window 14; these a plurality of optical transmission windows 14 are a plurality of openings 141 that are opened in housing; and these a plurality of openings 141 can be embedded a screening glass 142 respectively; this screening glass 142 is generally transparent plastic sheet or glass flake, also can be plastics or glass lens.

Display module 20 is arranged at the position of housing 10 inside corresponding to procapsid 11 display windows 13, it comprises a LCDs 21 and a backlight 22, this backlight 22 is arranged at the back of LCDs 21 near LCDs 21, be transformed into the even brightness area source in order to the light beam that light-emitting component 30 is sent, backlight when providing LCDs 21 to show.

Please cooperate with reference to Fig. 4, a plurality of light-emitting components 30 are arranged at light guide plate 22 with respect to the opposite side of LCDs 21 and near the incidence surface 221 of backlight 22 and corresponding to a plurality of optical transmission windows 14 on housing 10 surfaces.This light-emitting component 30 is generally light-emitting diode, also can be cold cathode fluorescent lamp.

Switching mechanism 40 comprises first light conductor 41, a plurality of second light conductor 42 and a guide rod 43, this first light conductor 41 is trapezoidal strip for tangent plane, it comprises a bottom surface 411, an exiting surface 412 and a reflecting surface 413, and this exiting surface 412 closely cooperates with the incidence surface 221 of the backlight 22 of display module 20.Second light conductor 42 also is trapezoidal strip shape body for tangent plane, comprise a bottom surface 421, one incidence surface 422 and a reflecting surface 423, the bottom surface 421 of this second light conductor 42 fits in the bottom surface 411 of first light conductor 41 and align mutually in the bottom surface of its

reflecting surface

413 and 423, reflecting surface 413 and reflecting surface 423 are general mutual vertical, simultaneously the incidence surface 422 of a plurality of second light conductors 42 corresponds respectively to a plurality of light-emitting components 30 in order to receiving the light beam that light-emitting component 30 sends, and transfers to after reflecting surface 413 and reflecting surface 423 reflections that exiting surface 412 sends and received by the incidence surface 221 of backlight 22.Guide rod 43 connects a plurality of second light conductors 42 and can cooperate with housing 10 and guide a plurality of second light conductors 42 to move in certain limit along specific direction, its usually and a plurality of second light conductors one-body molded.

Drive unit 50 is in order to drive switching mechanism 40 to switch, it can be an electromagnetic switch, this drive unit 50 is connected in the guide rod 43 of switching mechanism 40, drive a plurality of second light conductors 42 by its drive leader 43 and move, thereby make switching mechanism 40 be in the primary importance (Fig. 2 and Fig. 4 reference) and the second place (Fig. 5 and Fig. 7 reference).

When using the basic function of this portable electron device, switching mechanism 40 is in primary importance, wherein these a plurality of second light conductors 42 are aimed at a plurality of light-emitting components 30 respectively, the light beam that light-emitting component 30 sends is incident to the incidence surface 422 of second light conductor 42 and is received by second light conductor 42, and light beam penetrates the backlight 22 that enters display module 20 by exiting surface 422 after reflecting surface 413 and reflecting surface 423 reflections.When using the illumination functions of this portable electron device, drive unit 50 drives the guide rod 43 of switching mechanisms 40 and drives a plurality of second light conductors 42 and move, second light conductor 42 is staggered respectively with light-emitting component 30, and the light beam that this moment, a plurality of light-emitting components 30 sent is directly done illumination by a plurality of optical transmission windows 14 ejaculations of housing 10 by the gap between a plurality of second light conductors 42 and is used.

With reference to Fig. 8, another execution mode of the present invention and above-mentioned execution mode are basic identical, difference is that this execution mode case top only is provided with an optical transmission window 14 and in this optical transmission window 4 lens 144 is set, a plurality of guide rods 43 are provided with a plurality of lens 44, these a plurality of lens 44 are aimed at a plurality of light-emitting components 30 respectively in the second place, its beam convergence that a plurality of light-emitting components 30 are sent is in the focus (indicating) of lens 144, the polymerization of scioptics 144, the beam convergence that a plurality of light-emitting components 30 send become a branch of light to penetrate to strengthen the effect of illumination.

Be appreciated that this first light conductor 41 and a plurality of second light conductors 42 and guide rod 43 also can be one-body molded, move switching together and drive whole switching device shifter 40 by drive unit 50.Guide rod 43 also can be as required or the space permission be arranged at first light conductor 41 and replace the above-mentioned mode that is arranged at second light conductor.

Claims

1. the portable electron device of a tool illumination functions, it comprises: a housing, one display module, at least one light-emitting component, this surface of shell offers at least one optical transmission window, this display module comprises a backlight, this at least one light-emitting component is in order to provide light source, it is characterized in that: the portable electron device of this tool illumination functions also comprises a switching mechanism and a drive unit, this switching mechanism comprises a plurality of receipts light face and exiting surfaces that match with the light guide plate incidence surface corresponding to light-emitting component, and the light that receipts light face is received can transfer to light-emitting area and send, the receipts light face of this switching mechanism can switch between the light-emitting component in aiming at light-emitting component and staggering, when this receives light in the face of accurate light-emitting component, receive the light that light light-emitting component that face receives sends and transfer to light-emitting area and send, when this receipts light face staggers light-emitting component, the light that light-emitting component sends penetrates portable electronic device shell by optical transmission window, this drive unit links to each other with changeover module, and can drive the switching mechanism switching.

2. the portable electron device of tool illumination functions as claimed in claim 1 is characterized in that: described housing is to be clasped mutually by procapsid and back casing to form.

3. the portable electron device of tool illumination functions as claimed in claim 2 is characterized in that: described procapsid offers a display window.

4. the portable electron device of tool illumination functions as claimed in claim 1 is characterized in that: described light-emitting component is a light-emitting diode.

5. the portable electron device of tool illumination functions as claimed in claim 1 is characterized in that: described light-emitting component is a cold cathode fluorescent lamp.

6. the portable electron device of tool illumination functions as claimed in claim 1, it is characterized in that: described switching mechanism comprises first light conductor, corresponding to second light conductor of at least one light-emitting component, described exiting surface is arranged at this first light conductor, and described receipts light face is arranged at this second light conductor.

7. the portable electron device of tool illumination functions as claimed in claim 6 is characterized in that: described first light conductor and second light conductor are one-body molded.

8. the portable electron device of tool illumination functions as claimed in claim 6 is characterized in that: described first light conductor and second light conductor include a reflecting surface, and this two reflecting surface is vertical mutually.

9. as the portable electron device of claim 6 or 7 described tool illumination functions, it is characterized in that: described switching mechanism also comprises a guide rod, and this guide rod is connected in first light conductor or second light conductor.

10. the portable electron device of tool illumination functions as claimed in claim 1 is characterized in that: described drive unit is an electromagnetic switch.

11. the portable electron device of tool illumination functions as claimed in claim 1 is characterized in that: described optical transmission window is the opening that is opened in housing, and described opening is provided with screening glass.

12. the portable electron device of tool illumination functions as claimed in claim 11 is characterized in that: this screening glass is clear glass or plastic slice.

13. the portable electron device of tool illumination functions as claimed in claim 6 is characterized in that: the described light-emitting component and second light conductor are a plurality of and mutual correspondence.

14. the portable electron device of tool illumination functions as claimed in claim 14 is characterized in that: the optical transmission window of described housing only has one, and this optical transmission window is provided with lens.

15. the portable electron device of tool illumination functions as claimed in claim 14, it is characterized in that: this switching mechanism comprises a plurality of eyeglasses, its in a plurality of second light conductors be provided with at interval and can with a plurality of light-emitting components align with respectively with beam convergence that corresponding light-emitting component was sent in the focus of described lens.