CN1980266A - Low-power-consumption hand-set - Google Patents

Low-power-consumption hand-set Download PDF

Info

Publication number
CN1980266A
CN1980266A CNA200510126421XA CN200510126421A CN1980266A CN 1980266 A CN1980266 A CN 1980266A CN A200510126421X A CNA200510126421X A CN A200510126421XA CN 200510126421 A CN200510126421 A CN 200510126421A CN 1980266 A CN1980266 A CN 1980266A
Authority
CN
China
Prior art keywords
keyboard
light
lighting source
mobile phone
noctilucence
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CNA200510126421XA
Other languages
Chinese (zh)
Inventor
刘伟昆
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Electronics China Research and Development Center Co Ltd
Original Assignee
LG Electronics China Research and Development Center Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LG Electronics China Research and Development Center Co Ltd filed Critical LG Electronics China Research and Development Center Co Ltd
Priority to CNA200510126421XA priority Critical patent/CN1980266A/en
Publication of CN1980266A publication Critical patent/CN1980266A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00Reducing energy consumption in communication networks
    • Y02D30/70Reducing energy consumption in communication networks in wireless communication networks

Landscapes

  • Telephone Function (AREA)
  • Telephone Set Structure (AREA)

Abstract

The handset in low power consumption includes keypad structure. The keypad structure includes following parts: keypad possesses noctilucence coat layer, and normal coat layer spray painted on the noctilucence coat layer; being setup above the plane of the keypad, illuminated light sources emit light ray to irradiate the noctilucence coat; connecting the illuminated light sources, control circuit for the illuminated light sources is in use for controlling on/off the illuminated light sources. When control circuit turns on the illuminated light sources, light ray from the sources irradiates the keypad to make the noctilucence coat layer shining. Thus, user can see letters on keypad clearly. Features are: reducing power consumption of handset, simplifying structure of keypad, and increasing capability anti ESD.

Description

A kind of mobile phone of low-power consumption
Technical field
The present invention relates to mobile phone, specially refer to the control of mobile telephone power consumption.
Background technology
In recent years, constantly perfect along with cell-phone function, the purposes of mobile phone in people's daily life is also increasingly extensive.Therefore, how can effectively reduce the power consumption of mobile phone, the conversation stand-by time of raising mobile phone, be an important problem.At present, the method that mobile phone products reduces power consumption mostly is software control, as turn off its backlight etc. when not using mobile phone screen and/or keyboard.A kind of method is, after the user is set at battery saving mode with mobile phone, if not operation within a certain period of time, software will control turn off backlight, thereby realize purpose of power saving, all have this method in present most of mobile phone.In addition, also having a kind of method, is the light by the sensor senses environment, determines the switch of backlight automatically.For example, at publication number is in the application for a patent for invention " self-regulating method of poor light lamp for fitting environmental light strength and circuit " of CN1427655, disclose the self-regulating method of a kind of poor light lamp for fitting environmental light strength, this method is carried out the brilliance control of backlight by Photosensing Units with the formed system of control circuit that controls the mobile phone backlight intensity.
These two kinds of methods can both play the effect that reduces power consumption to a certain extent, but DeGrain sometimes.Such as, user when the input note because keyboard is using thereby software can not turned off keyboard back light always, still at light preferably under the situation, perhaps can need not to see keyboard and during input characters, it is unnecessary that keyboard back light just seems when user's skilled operation.
Fig. 1 a is the decomposing schematic representation of the cell phone keyboard structure of prior art, and Fig. 1 b is the cell phone keyboard structure partial schematic diagram along section shown in A-A ' line among Fig. 1 a.Shown in Fig. 1 a, Fig. 1 b, the keyboard structure of mobile phone comprises keyboard 1, printed circuit board (PCB) (PCB) 5 and the dome between keyboard 1 and PCB 5 (button shell fragment) 2.Wherein, keyboard 1 comprise the transparent body 13 again, at the keyboard primary colours 12 that apply on the transparent body 13 and keyboard character 18, the wearing layer 11 that on keyboard primary colours 12 and keyboard character 18, applies and the shading layer 14 that below the transparent body 13, applies.Wherein, PCB 5 is provided with a plurality of LED (light-emitting diode) 4 with keyboard 1 corresponding position, on dome 2, be provided with and described a plurality of LED 4 corresponding a plurality of LED preformed holes positions 3 simultaneously, and the correspondence position at the shading layer 14 of keyboard 1 also is provided with a plurality of loopholes, like this, the light that sends from LED 4 can and transmit from the transparent body 13 by the loophole of LED preformed hole position 3 and shading layer 14, thereby forms backlight.In the prior art, generally adopt the LED about 10 that the backlight of cell phone keyboard is provided, therefore frequent input note can very fast consuming cells electric weight.
Summary of the invention
Technical problem solved by the invention is to provide a kind of keyboard illumination light source solution that can reduce mobile telephone power consumption, to reduce the mobile telephone power consumption that consumes because of the frequent use of keyboard.
To achieve these goals, proposed a kind of mobile phone of low-power consumption, comprised keyboard structure, keyboard, the normal coating that has the noctilucence coating and on described noctilucence coating, spray; Lighting source is arranged on the top on described keyboard plane, and its light that sends can shine on the noctilucence coating of described keyboard; And lighting source control circuit, be connected with described lighting source, be used to control opening or closing of described lighting source, wherein, after described lighting source control circuit is controlled opening of described lighting source, the irradiate light of being sent by described lighting source and makes described noctilucence coating luminous to described keyboard, thereby makes the user can see described keyboard character clearly.
Described normal coating comprises keyboard primary colours, keyboard character and wearing layer.
The light emitting region of described lighting source can cover whole described keyboards.
The light-emitting component of described lighting source is 2 light-emitting diodes.
Described lighting source control circuit comprises digital baseband block, and it links to each other with described light-emitting component by general I/O port, opens and/or closes to control it.
The other end of described light-emitting component links to each other with cell voltage by resistance.
Described digital baseband block also comprises the opening/closing setting module of a described light-emitting component.
Described lighting source control circuit also can comprise automatic judgement and determine the illuminant module of the opening/closing of described light-emitting component.
Described illuminant module comprises again: photo-sensitive cell is used for the intensity of perception ambient light; A/D converter links to each other with photo-sensitive cell, is used for the light intensity that described photo-sensitive cell receives is converted into digital quantity; And the control logic that integrates, output register and two-wire serial interface, wherein, described control logic is used for described A/D converter is controlled; Described output register is used for receiving the good digital quantity of conversion from described A/D converter; Described two-wire serial interface is used for carrying out the mutual transmission of data from the clock output pin receive clock signal of described digital baseband block and with the data input pin by described digital baseband block.
According to the present invention, can finish the keyboard illumination function that in the past needs about 10 LED to realize by a spot of LED, thereby can reduce the power consumption of mobile phone greatly, improve the service time of battery of mobile phone; Simultaneously, thus the anti-electrostatic-discharge ability that the keyboard structure that utilizes the present invention can also simplify mobile phone is simplified its manufacturing process and improved mobile phone.
The present invention is described in detail with detailed execution mode below in conjunction with accompanying drawing.
Description of drawings
Fig. 1 a is the decomposing schematic representation of the cell phone keyboard structure of prior art;
Fig. 1 b is the cell phone keyboard structure partial cutaway view along section shown in A-A ' line among Fig. 1 a;
Fig. 2 is the mobile phone schematic diagram according to embodiment of the present invention;
Fig. 3 a is the decomposing schematic representation of cell phone keyboard structure according to the preferred embodiment of the present invention;
Fig. 3 b is the cell phone keyboard partial sectional view along section shown in B-B ' line among Fig. 3 a; And
Fig. 4 is the structure chart of lighting source control circuit according to the preferred embodiment of the present invention.
Embodiment
Fig. 2 is the mobile phone schematic diagram according to embodiment of the present invention.As shown in Figure 2, the lighting source of being made up of two white light LEDs 62 60 is set above plane, keyboard 10 place, its illumination range can cover the scope of whole keyboard 10, and is provided with noctilucence coating 105 (seeing Fig. 3 b) in keyboard 10.After lighting source 60 was opened, each button that its scope that emits beam can overlay keyboard 10 also made described noctilucence coating 105 luminous, thereby makes the cellphone subscriber can see each keyboard character in the keyboard 10 clearly.Simultaneously, near keyboard 10, also be provided with the photo-sensitive cell 40 of the intensity that is used for the perception ambient light.In use, when the user can determine also can to make mobile phone judge the ON/OFF of lighting source 60 automatically by ON/OFF lighting source 60 by photo-sensitive cell 40 by menu setting or specific keys oneself.
Fig. 3 a is the decomposing schematic representation of cell phone keyboard structure according to the preferred embodiment of the present invention; Fig. 3 b is the cell phone keyboard partial schematic diagram along section shown in B-B ' line among Fig. 3 a.
As shown in the figure, the keyboard structure of mobile phone comprises keyboard 10, PCB 50, lighting source 60 and the dome 20 that is made by the resistance luminescent material between keyboard 10 and PCB 50 according to the present invention.Wherein, keyboard 10 comprises: by structure 103 transparent or that opaque material constitutes, the noctilucence coating 105 of spraying on structure 103, and the normal coating that comprises keyboard primary colours 102 and keyboard character 108 and wearing layer 101 of spraying on noctilucence coating 105.In PCB 50, be provided with the lighting source control circuit, be used to control the opening/closing of lighting source 60.
Here, owing to need not LED to be set on corresponding to the position below the keyboard 10, therefore on dome 20, also need not to be provided with corresponding LED preformed hole position, thereby can guarantee the integrality of dome 20 at PCB 50.Like this, not only can simplify the manufacturing process of cell phone keyboard structure, more can strengthen anti-ESD (Electro-Static discharge, the static discharge) ability of mobile phone.
Fig. 4 is the structure chart of lighting source control circuit according to the preferred embodiment of the present invention.
As shown in Figure 4, according to the preferred embodiment for the present invention, the structure of lighting source control circuit mainly comprises illuminant module 30, DBB (Digital BaseBand, digital baseband) module 36 and two light-emitting components 37, wherein, illuminant module 30 comprises 32, two photo-sensitive cells 31 of integrated range self-adjusting A/DC (A/D converter) and the control logic 33 that integrates, output register 34 and two-wire serial interface 35 again.
One end of light-emitting component 37 connects VBAT (cell voltage) by resistance 38; And the other end is connected to GPIO (General Purpose Input/Output, general I/O) mouthful of DBB module 36, to control its luminances by DBB module 36.Illuminant module 30 links to each other with DATA IN (data input) pin with CLOCK OUT (clock output) pin of DBB module 36 respectively by two-wire serial interface 35, to receive the SMBCLK clock signal and to carry out the mutual transmission of SMBData data-signal with DBB module 36 from DBB module 36 respectively.In illuminant module 30 inside, an end of two photo-sensitive cells 31 links to each other with A/DC 32, and other end ground connection; Control logic 33 links to each other with A/DC 32 by control line, so that A/DC 32 is controlled; A/DC 32 links to each other with output register 34 by data wire, to provide data to output register.In addition, the supply voltage of illuminant module 30 at 2.7V between the 5.5V.In preferred implementation of the present invention, photo-sensitive cell 31 is selected the TSL2550 light intensity sensor of TAOS company (Texas AdvancedOptoelectronic Solutions Inc.) for use; And light-emitting component 37 is selected common white light LEDs for use.
Like this, when the user uses mobile phone, at first obtain extraneous light intensity and be converted into digital quantity by A/DC 32 by photo-sensitive cell 31; Afterwards this digital information is sent to and carries out software analysis in the DBB module 36; If interpretation of result thinks when insufficient light need use lighting source that then luminous by GPIO control light-emitting component 37, its ray cast makes Noctilucent material luminous, thereby makes the user can see keyboard character 108 clearly to the keyboard 10 with noctilucence coating.
Certainly, also can need not illuminant module 30, but the user sets the opening/closing of light-emitting component 37 by menu setting or specific button oneself for the present invention.
In preferred implementation of the present invention, realized using 2 common LEDs to finish needs about 10 work that LED finishes in the past, thereby can effectively reduce the power consumption of mobile phone; Utilize the present invention can also simplify the cell phone keyboard structure simultaneously, thereby can not only simplify its manufacturing process, more can improve the ability of the anti-ESD of mobile phone.
Though should be pointed out that invention has been described by above-mentioned execution mode, yet the present invention also can have other numerous embodiments.Without departing from the spirit and scope of the present invention; those of ordinary skill in the art obviously can make various corresponding changes and distortion to the present invention, but these changes and distortion all should belong in the scope that claims of the present invention and equivalent thereof protect.

Claims (9)

1, a kind of mobile phone of low-power consumption comprises keyboard structure, it is characterized in that, described keyboard structure comprises:
Keyboard, the normal coating that has the noctilucence coating and on described noctilucence coating, spray;
Lighting source is arranged on the top on described keyboard plane, and its light that sends can shine on the noctilucence coating of described keyboard; And
The lighting source control circuit is connected with described lighting source, is used to control opening or closing of described lighting source,
Wherein, after described lighting source control circuit was controlled opening of described lighting source, the irradiate light of being sent by described lighting source and made described noctilucence coating luminous to described keyboard, thereby makes the user can see described keyboard character clearly.
2, mobile phone according to claim 1 is characterized in that, described normal coating comprises keyboard primary colours, keyboard character and wearing layer.
3, mobile phone according to claim 1 is characterized in that, the light emitting region of described lighting source can cover whole described keyboards.
According to claim 1 or 3 described mobile phones, it is characterized in that 4, the light-emitting component of described lighting source can be 2 light-emitting diodes
According to claim 1 or 3 described mobile phones, it is characterized in that 5, described lighting source control circuit comprises digital baseband block, it links to each other with described light-emitting component by general I/O port, opens and/or closes to control it.
6, mobile phone according to claim 5 is characterized in that, the other end of described light-emitting component links to each other with cell voltage by resistance.
7, mobile phone according to claim 5 is characterized in that, described digital baseband block also comprises the opening/closing setting module of a described light-emitting component.
8, mobile phone according to claim 5 is characterized in that, described lighting source control circuit also can comprise automatic judgement and determine the illuminant module of the opening/closing of described light-emitting component.
9, mobile phone according to claim 8 is characterized in that, described illuminant module comprises again:
Photo-sensitive cell is used for the intensity of perception ambient light;
A/D converter links to each other with photo-sensitive cell, is used for the light intensity that described photo-sensitive cell receives is converted into digital quantity; And
The control logic that integrates, output register and two-wire serial interface,
Wherein, described control logic is used for described A/D converter is controlled; Described output register is used for receiving the good digital quantity of conversion from described A/D converter; Described two-wire serial interface is used for carrying out the mutual transmission of data from the clock output pin receive clock signal of described digital baseband block and with the data input pin by described digital baseband block.
CNA200510126421XA 2005-12-09 2005-12-09 Low-power-consumption hand-set Pending CN1980266A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNA200510126421XA CN1980266A (en) 2005-12-09 2005-12-09 Low-power-consumption hand-set

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNA200510126421XA CN1980266A (en) 2005-12-09 2005-12-09 Low-power-consumption hand-set

Publications (1)

Publication Number Publication Date
CN1980266A true CN1980266A (en) 2007-06-13

Family

ID=38131258

Family Applications (1)

Application Number Title Priority Date Filing Date
CNA200510126421XA Pending CN1980266A (en) 2005-12-09 2005-12-09 Low-power-consumption hand-set

Country Status (1)

Country Link
CN (1) CN1980266A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102938247A (en) * 2012-11-29 2013-02-20 广东欧珀移动通信有限公司 Brightness adjusting method and device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102938247A (en) * 2012-11-29 2013-02-20 广东欧珀移动通信有限公司 Brightness adjusting method and device

Similar Documents

Publication Publication Date Title
US20040022047A1 (en) Key input device
KR100397657B1 (en) Structure for keypad having function of transmission luminescence
CN201365379Y (en) Electronic device shell with light guiding decoration
KR20000056837A (en) Cellular phone with lamp
CN1496170A (en) Display and portable terminal device
US20120014130A1 (en) Light filtered key top bezel
WO2005122536A1 (en) Mobile device
CN201435331Y (en) Keyboard backlighting device
JP2002163063A (en) Portable communication terminal machine
JP2001217904A (en) Portable telephone provided with lighting function
CN1980266A (en) Low-power-consumption hand-set
US20110260628A1 (en) System and method for illuminating a component of an electronic device
CN1961564A (en) Controlling the appearance of a hand-portable electronic device
CN203522808U (en) LED (Light Emitting Diode) flashing mobile phone protection casing structure
CN201867745U (en) Keyboard and key thereof
CN202889445U (en) Mobile phone with LED (Light Emitting Diode) lamp
CN205065492U (en) Mirror lamp with phone function
CN202695243U (en) Luminous key and keyboard utilizing key
CN200990313Y (en) Keying structure and electronic device thereof
KR100928725B1 (en) Mobile communication device and fabricating method thereof
CN214591549U (en) Cell-phone shell with light filling function
KR100690827B1 (en) Luminous apparatus for mobile communication terminal
KR200264587Y1 (en) Structure for keypad of a portable radio terminal
CN101561528B (en) light guide plate combination
KR200294808Y1 (en) Mobile Phone with Emitting Light

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C12 Rejection of a patent application after its publication
RJ01 Rejection of invention patent application after publication