CN1933501B - Double screen mobile communication terminal - Google Patents
Double screen mobile communication terminal Download PDFInfo
- Publication number
- CN1933501B CN1933501B CN2006101520189A CN200610152018A CN1933501B CN 1933501 B CN1933501 B CN 1933501B CN 2006101520189 A CN2006101520189 A CN 2006101520189A CN 200610152018 A CN200610152018 A CN 200610152018A CN 1933501 B CN1933501 B CN 1933501B
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- display device
- mobile communication
- communication terminal
- display part
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
- G06F1/1643—Details related to the display arrangement, including those related to the mounting of the display in the housing the display being associated to a digitizer, e.g. laptops that can be used as penpads
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
- G06F1/1647—Details related to the display arrangement, including those related to the mounting of the display in the housing including at least an additional display
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1662—Details related to the integrated keyboard
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Telephone Set Structure (AREA)
Abstract
The invention discloses a double screen mobile communication terminal which belongs to a mobile communication device and has two image display devices. The double screen mobile communication terminal includes the following sections: a first display unit provided with a first image display device which can display an image; a second display unit which is provided with a second image display device capable of displaying an image, which can be separated from the first display device; a key region which is exposed when the second display unit is separated from the first display device. The two image display devices have simple structures, convenient usage, which can provide a mobile communication device with a large screen.
Description
Technical field
The invention belongs to mobile communications device, the double screen mobile communication terminal of two picture display devices particularly is provided.Be specifically related to the simple in structure, easy to use of a kind of two picture display devices, the mobile communication terminal of a large-screen can be provided.
Background technology
Often be called as mobile phone (Mobile telephone), mobile phone, mobile phone, cell phone, PCS (Personal Communications Services, Personal Communications Services) phone, individual portable telephone, wireless communication terminal (Wireless Communcation Terminal), WAP (Wireless ApplicationProtocol, WAP (wireless application protocol)) mobile phone, PDA (Personal Digital Assistance, personal digital assistant) terminal, the mobile communication terminal of IMT2000 (International Mobile Telecommunications 2000) terminal etc. has become requisite means of communication easily in the daily life, can carry by the individual, when moving, carry out voice call and video calling with the other side, or information such as transmitting-receiving short message etc., also can insert the Internet.
Because this mobile communication terminal often carries in daily life, and uses in moving, therefore just easy, as can be used for multiple purpose more expediently form development towards carrying.
In order to improve user convenience, in the technology that is in the past adopted, a kind of mobile phone that is called as double-turning-cover or two liquid crystal displays is arranged, this two liquid crystal displays type mobile phone in the past has a LCDs respectively on the two sides of renovating.
The flip-type mobile phone adopts foldable structure, and therefore, the inboard LCDs of lid is covered, and is renovating under the closed condition, and the user can't obtain to utilize the service of LCDs.For addressing this is that, this two liquid crystal displays type mobile phone arises at the historic moment, and renovates inboard LCDs when opening when renovating, can utilizing, and when closing when renovating, can utilize the LCDs of renovating the outside.
Two liquid crystal displays type mobile phone shown in Figure 1 is to introduce in Republic of Korea's utility model registration number 20-0333934 number, and this mobile phone is by the fuselage 200 that the keypad 210 that is used for the key input and microphone 220 etc. have been installed, 100 formations of renovating that auxiliary LCD screen (figure does not mark) and host liquid crystal screen 110 and loud speaker 120 etc. have been installed.This mobile phone is folded on the fuselage 200 and carries renovating 100 usually when not using, and when conversation or when receiving wireless data, opens and renovates 100 backs and use.
The type of two liquid crystal displays in the past mobile phone as shown in Figure 1, employing can't be seen the structure of two screens simultaneously, renovates the auxiliary LCD screen of installing the outside and can only carry out plain vanillas such as literal or numeral demonstration, has many inconvenience in the use.
On the other hand, nowadays the scope of application of mobile phone has been broken away from and has been used to the situation conversed merely, gradually to the Internet access or personal information management, watch that aspects such as TV, recreation enlarge, cellular service is also more and more.
For example, when utilizing mobile communication terminal in the past shown in Figure 1 to carry out video calling,, can only see a people's who is conversing image because the host liquid crystal screen has only one.In order to address this is that, in Republic of Korea utility model registration number 20-0333934, introduced mobile communication terminal as shown in Figure 2.
As shown in the figure, the mobile communication terminal of Fig. 2 comprises that fuselage the 30, the 1st renovates the 10, the 2nd and renovate 20.And, in the front of fuselage 30, the keypad 32 that is used to import is installed and,, renovates 10 in conjunction with the 1st, in fuselage 30 bottoms, in conjunction with renovating 20 along the 2nd of the groove slip of two side ends with hinge 36 at a side of fuselage 30 as the microphone 34 that send words portion.
The 1st renovate 10 with hinge 36 in conjunction with fuselage 30 1 sides, at inner face the 1st LCD screen 12 is installed, have loud speaker 16 on above-mentioned the 1st LCD screen 12 tops.
The 2nd renovates 20 is slidingly connected in the ad-hoc location of fuselage 30, and its inner face is installed with the 2nd LCD screen 22, and the back is inserted with battery of mobile phone 24, and the top portion is in conjunction with antenna 26.
Mobile communication terminal shown in Figure 2 provides two LCD screen, though solved in the past the problem that mobile communication terminal as shown in Figure 1 has to a certain extent, but the problem that exists is that two LCD screen are at a distance of far away excessively, can not cut apart a picture, in two LCD screen, show, obtain effect as same large-screen.And recently owing to utilize mobile communication terminal to watch TV or play games, this just more and more needs a large-screen, and therefore, this problem is more and more outstanding.
In addition, mobile communication terminal shown in Figure 2 also has a shortcoming, that is, only remain and open the state of renovating and just can see picture, and when using two screens simultaneously, the overall dimensions of mobile communication terminal increases, and uses inconvenience.And, renovate opening, expose a LCD screen after, another LCD screen of sliding is again moved it to outside, this structure is used loaded down with trivial details inconvenience.
In addition, also there are the following problems for mobile communication terminal shown in Figure 2, when using two LCD screen, because keypad remains deployed condition,, form the key input if the user presses keypad because of carelessness, then can harm the screen output state, have the inconvenience on using.
Summary of the invention
The variety of issue of mobile communication terminal proposes in order to solve in the past just in the present invention, and its purpose is to provide a kind of two key frame display unit that have, and can form the mobile communication terminal of a large-screen.
Another object of the present invention is to make keypad to close, during the picture in watching picture display device, exported, the situation of keypad can not occur pressing because of carelessness.
Another object of the present invention provides a kind of mobile communication terminal, make the face of the display frame of at least one key frame display unit in the key frame display unit be exposed to the outside all the time, thus being used to of no longer needing to install in the flip-type mobile phone in the past the other auxiliary screens such as auxiliary screen notifying incoming call or show the time.
And, another object of the present invention is to, make two key frame display unit adjacent distributions side by side, the effect that large-screen is provided can be maximized.After two picture display devices are separated, expose keypad, particularly be exposed between two picture display devices, picture display device and keypad can be formed a line, thereby it is not only easy-to-use, and under the state that separates, the mobile communication terminal overall dimensions does not have bigger variation, remains less size.
In addition, another object of the present invention is to, make in two key frame display unit, at least one has the function of touchpad that just can carry out the key input by touch screen concurrently, can carry out the input of set key by it, not only easy-to-use, the further key input function that has enlarged also is provided.
The feature of double screen mobile communication terminal of the present invention is to comprise following several sections: the 1st display part, it be installed with can display frame the 1st picture display device; The 2nd display part, it be installed with can display frame the 2nd picture display device, and can with above-mentioned the 1st display part from; Keypad, it along with above-mentioned the 2nd display part from above-mentioned the 1st display part from and expose.
Above-mentioned the 1st picture display device and the 2nd picture display device can be made of LCDs LCD commonly used in the past, but are not to be defined in this, as long as purpose according to the invention, the picture display device of which kind of form all can.
In addition, above-mentioned two picture display devices under the 1st display part and the unseparated state of the 2nd display part, mutual adjacent distributions.
And above-mentioned keypad is installed on above-mentioned the 1st display part, expose along with the separation of above-mentioned the 2nd display part, and, preferably be exposed between above-mentioned the 1st display part and above-mentioned the 2nd display part.
In addition, above-mentioned the 2nd display part is connected on above-mentioned the 1st display part and slidably, not only itself is easy to use, and, under the state that two picture display devices separate, can make the mobile communication terminal overall dimensions keep less, can keep the form of being convenient to grasp.
And, have at least the face of one display frame to be exposed to the outside all the time in above-mentioned two picture display devices, preferably the face of the display frame of two picture display devices all is exposed to the outside.
And, have at least one can carry out the function of touchpad that just can carry out the key input by touch screen in above-mentioned two picture display devices.When watching TV etc., need not to separate the 2nd display part for the key input, just can carry out the key input, in addition, can also bring into play the various advantages of double screen to greatest extent.
And, also comprise a lock-out state, locking action is played in the separation of above-mentioned the 2nd display part.When not using mobile communication terminal, or picture divided when showing in the 1st picture display device and the 2nd picture display device, prevent that the 2nd display part from arbitrarily separating.
On the other hand, above-mentioned the 2nd display part with respect to the 1st display part from can be towards vertical separation of mobile communication terminal, also can be towards lateral separation, under different situations, also can make the 2nd display part with respect to the vertical direction rotation and separate.
The invention has the beneficial effects as follows in the present invention, when cutting apart a picture, when in two picture display devices, exporting, by simple structure, just can have and obtain large-screen fruitfully, and occupation space was less when the 1st display part and the 2nd display part were slidingly connected, and assembling easily, not only itself is easy to use, can also keep the screen output state of two picture display devices constant, the content that one side is watched screen display, one side is used keypad.
And keypad be not exposed to the outside under the user mode, has prevented to press because of carelessness the problem of keypad.
In addition, when having a function that has touch pad concurrently in the picture display device of the picture display device of the 1st display part or the 2nd display part at least, even do not separate the 1st display part and the 2nd display part, expose keypad, by the menu of exporting in the touch screen display unit, just the input of set key can be carried out, when together using, the further key input function that has enlarged can be provided with keypad.
Description of drawings
Fig. 1 has shown hinged-lid mobile communication terminal in the past.
Fig. 2 has shown the hinged-lid mobile communication terminal that in the past has double screen.
Fig. 3 is the plane graph under the mobile communication terminal closed condition of one embodiment of the invention.
Fig. 4 is the plane graph under the mobile communication terminal open mode of Fig. 3.
Fig. 5 is the oblique view of Fig. 3.
Fig. 6 is the oblique view of Fig. 4.
Fig. 7 is the oblique view of another embodiment of the present invention.
Fig. 8, Fig. 9 are the locking device schematic diagrames that locking cover separates.
Figure 10 is the schematic diagram of lid with respect to the rotation of fuselage vertical direction.
The explanation of accompanying drawing major part
1: fuselage 2: cover 4: the 2 picture display devices 5 of 3: the 1 picture display devices: keypad
Embodiment
The invention provides the double screen mobile communication terminal of two picture display devices.Be elaborated below by the useful embodiment of the present invention shown in the drawings.
At first, what Fig. 3 showed is to close in the plane graph as the state on the fuselage of the 1st display part as the lid of mobile communication terminal the 2nd display part of the present invention, and Fig. 4 is the plane graph under the open mode, and Fig. 5 and Fig. 6 are the oblique views of above-mentioned various states.
As shown in the figure, on fuselage 1 as the 1st display part, as the LCDs of the 1st picture display device 3 be installed on fuselage 1 above, on lid 2, above also being installed on as the LCDs of the 2nd picture display device 4 as the 2nd display part.
In order to carry out the various functions of mobile communication terminal, fuselage 1 inside is installed with various chips and is printed with the main electronic circuit board (not marking among the figure) of electronic circuit.
The face of the display frame of the 1st picture display device of installing in the above-mentioned fuselage 13 is exposed to the outside all the time, and the face of the display frame of the 2nd picture display device 4 of above-mentioned lid 2 also is exposed to the outside all the time.
And, the keypad 5 that is used for the key input is installed on above-mentioned fuselage 1, above-mentioned keypad 5 can be closed by above-mentioned lid 2.
That is, as shown in the figure, when lid 2 was placed on the fuselage 1, the 1st picture display device 3 of above-mentioned fuselage was exposed to the outside, and above-mentioned keypad 5 is positioned at and covers 2 times, and tegmentum 2 covers, and is not exposed to the outside, and after the slip separate cover 2, lid 2 is exposed to the outside.
At this moment, as shown in Figure 6, lid 2 can be along fuselage 1 longitudinal sliding motion, as shown in Figure 7, and also can be along horizontal slip.
And as shown in Figure 6, lid 2 separates along the longitudinal sliding motions of fuselage 1, therefore, in the time will using keypad 5, as Fig. 4 and shown in Figure 6, to fuselage 1 rear slide lid 2, opens with this and to cover 2, makes keypad 5 be exposed to the outside.
And under the state that keypad 5 exposes, as shown in the figure, keypad 5 is between the 2nd picture display device 4 of the 1st picture display device 3 of fuselage and lid, and the transverse width of mobile communication terminal remains unchanged, and is convenient to grasp, and is easy to use.As hereinafter described, when the 2nd picture display device 4 of lid is used as touch pad, can together use keypad 5 and above-mentioned touch pad easily.
And as Fig. 3 and shown in Figure 5, the picture display device 3 of above-mentioned fuselage and the 2nd picture display device 4 of lid be adjacent distributions side by side, therefore, when cutting apart a picture, when in two picture display devices, exporting, by simple structure, just can obtain large-screen fruitfully.
In addition, above-mentioned lid 2 connects to such an extent that can slide on above-mentioned fuselage 1, so, close under the state on the fuselage 1 at lid 2, as Fig. 3 and shown in Figure 5, two picture display devices are in the state that distributes side by side, when to fuselage 1 rear slide lid 2, open and cover at 2 o'clock, then be in state shown in Figure 4, the keypad 5 of fuselage 1 is exposed to the outside.
As mentioned above, lid 2 links together and slidably with fuselage 1, this mode is as lid-turning type terminal, Billy links together with hinge and the mode of rotating to occupy usage space littler, and assembling easily, and not only itself is easy to use, can also keep the screen output state of two picture display devices constant, the content that one side is watched screen display, one side is used the keypad 5 on the fuselage 1.
Wherein, with regard to covering 2 the structure of sliding with respect to fuselage 1, as long as be fit to the present invention, any form all can, such as using well-known in the past slide construction.
On the other hand, the 1st picture display device 4 of the 1st picture display device 3 of above-mentioned fuselage or lid can have the well-known in the past function of having made the touch pad of detailed introduction in Republic of Korea patent disclosure number 10-2005-0028638 concurrently, therefore, even slide lid 2, expose fuselage 1, by touching the menu of exporting in the picture display device, just can carry out set key input.
Mobile communication terminal shown in the figure, its picture display device is exposed to the outside all the time, under lid 2 states that are placed on the fuselage 1, two picture display devices are adjacent distributions side by side, because can be covered with 2 watches TV, not only easy to use, also has the effect that can all be used for a side front of mobile communication terminal picture output, have when catering to the mobile communication terminal trend toward miniaturization, the good result of large-screen can be provided.
On the other hand, as Fig. 8 and shown in Figure 9, the locking device that separates as locking cover is formed with locking projections 7 covering, and is formed with lock slots 6 on fuselage, by above-mentioned locking projections 7 and lock slots 6, prevents to cover random separation.As Fig. 8 and shown in Figure 9, to close as operculum, above-mentioned locking projections 7 is inserted above-mentioned lock slots 6, carries out lock function.Usually under the situation of not using mobile communication terminal, equipment is in the energy-saving mode state, when (for example being converted to when using holding state, in hinged-lid mobile communication terminal, open and renovate, or the slip lid that in sliding-lid type mobile communication terminal, slides, open fuselage), screen lights, keypad is lighted, and this need consume more electric weight, still, if this locking device has been arranged, can prevent to cover and arbitrarily open, therefore, can realize the effect of economizing on electricity.
On the other hand, as shown in figure 10, lid 2 is installed to such an extent that can be same as the rotation of fuselage 1 vertical direction, therefore, can in swivelling cover 2 keypad of fuselage 1 be exposed.That is, as shown in figure 10, lid 2 utilizes hinge to be connected with fuselage 1, with respect to the vertical direction rotation, can expose the keypad that is positioned on the fuselage 1 in swivelling cover 2.Wherein, when 2 rotations of above-mentioned lid, fuselage 1 is finished when opening, that is, control when lid 2 is spent with respect to fuselage 1 Rotate 180, make cover that picture displayed does not take a turn for the worse in 2 the 2nd picture display device 4, but the forward demonstration.
And the rotation of above-mentioned lid 2 both can only be rotated to a side direction, but, preferably also can under different situations, can also revolve three-sixth turn with respect to the two-way rotation in the left and right sides, by adding a kind of simple latch-up structure that rotation is locked, rotation can be limited in 180 degree.
Claims (5)
1. double screen mobile communication terminal is characterized in that comprising following several sections:
The 1st display part, it be installed with can display frame the 1st picture display device;
The 2nd display part, it be installed with can display frame the 2nd picture display device, and can with above-mentioned the 1st display part from;
Keypad, it along with above-mentioned the 2nd display part from above-mentioned the 1st display part from and expose;
The front of the display frame of the 1st picture display device of above-mentioned the 1st display part is exposed to the outside all the time, the front of the display frame of the 2nd picture display device of above-mentioned the 2nd display part is exposed to the outside all the time, the 1st picture display device of above-mentioned the 1st display part and the 2nd picture display device of above-mentioned the 2nd display part be adjacent distributions side by side, above-mentioned keypad along with above-mentioned the 1st display part from above-mentioned the 2nd display part from and be exposed between above-mentioned the 1st display part and above-mentioned the 2nd display part.
2. double screen mobile communication terminal according to claim 1 is characterized in that: have at least one can have the function of touchpad that just can carry out the key input by touch screen concurrently in above-mentioned the 1st picture display device and above-mentioned the 2nd picture display device.
3. double screen mobile communication terminal according to claim 1 is characterized in that: above-mentioned the 2nd picture display device and above-mentioned the 1st picture display device are towards lateral separation.
4. according to the arbitrary described double screen mobile communication terminal of claim 1 to 3, it is characterized in that: comprise that also is used to lock the locking device that above-mentioned the 2nd picture display device separates.
5. double screen mobile communication terminal according to claim 1 is characterized in that: above-mentioned the 2nd picture display device separates with respect to the vertical direction rotation after separating with respect to above-mentioned the 1st picture display device.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020050085326 | 2005-09-13 | ||
| KR10-2005-0085326 | 2005-09-13 | ||
| KR1020050085326A KR100747539B1 (en) | 2005-09-13 | 2005-09-13 | A cellular phone with dual LCD screens |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1933501A CN1933501A (en) | 2007-03-21 |
| CN1933501B true CN1933501B (en) | 2011-06-29 |
Family
ID=37879116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006101520189A Expired - Fee Related CN1933501B (en) | 2005-09-13 | 2006-09-11 | Double screen mobile communication terminal |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR100747539B1 (en) |
| CN (1) | CN1933501B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101567910B (en) * | 2008-04-23 | 2012-05-09 | 华硕电脑股份有限公司 | Portable electronic device |
| KR101537683B1 (en) * | 2008-09-02 | 2015-07-20 | 엘지전자 주식회사 | Portable terminal |
| KR101063109B1 (en) * | 2008-12-16 | 2011-09-07 | 박세철 | Multi-display mobile terminal |
| KR101045265B1 (en) * | 2009-05-29 | 2011-06-29 | 네오뷰코오롱 주식회사 | Display apparatus |
| KR101590640B1 (en) * | 2009-07-21 | 2016-02-01 | 엘지전자 주식회사 | Display apparatus |
| KR20110028797A (en) * | 2009-09-14 | 2011-03-22 | 유상규 | Flexible display device wihtin multi structures |
| JP2012065109A (en) * | 2010-09-15 | 2012-03-29 | Nec Corp | Portable terminal, control method thereof, and program |
| WO2016186258A1 (en) * | 2015-05-15 | 2016-11-24 | 신진철 | Expandable screen type portable terminal having multiple screens |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002111814A (en) * | 2000-09-26 | 2002-04-12 | Funai Electric Co Ltd | Communication terminal |
| CN1604597A (en) * | 2003-09-29 | 2005-04-06 | Lg电子有限公司 | Folder type mobile terminal using organic electroluminescent panel and display method thereof |
| JP2005109682A (en) * | 2003-09-29 | 2005-04-21 | Seiko Epson Corp | Portable communication apparatus |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060010261A (en) * | 2004-07-27 | 2006-02-02 | 주식회사 팬택 | A mobile communication terminal capable of dual slip for slide type |
| KR200374450Y1 (en) | 2004-11-12 | 2005-01-28 | (주)케이티에프테크놀로지스 | Slide phone with dual display |
-
2005
- 2005-09-13 KR KR1020050085326A patent/KR100747539B1/en not_active IP Right Cessation
-
2006
- 2006-09-11 CN CN2006101520189A patent/CN1933501B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002111814A (en) * | 2000-09-26 | 2002-04-12 | Funai Electric Co Ltd | Communication terminal |
| CN1604597A (en) * | 2003-09-29 | 2005-04-06 | Lg电子有限公司 | Folder type mobile terminal using organic electroluminescent panel and display method thereof |
| JP2005109682A (en) * | 2003-09-29 | 2005-04-21 | Seiko Epson Corp | Portable communication apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1933501A (en) | 2007-03-21 |
| KR100747539B1 (en) | 2007-08-08 |
| KR20070030566A (en) | 2007-03-16 |
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Owner name: LANGCHAO LEJIN DIGITAL MOBILE COMMUNICATION CO., L Free format text: FORMER OWNER: LG ELECTRONIC (CHINA) RESEARCH + DEVELOPMENT CENTRE CO., LTD. Effective date: 20120308 |
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