KR20150009011A - Flip covering portable electronic appliance - Google Patents

Abstract

The present invention is not limited to the flip cover 100 provided for protecting the display unit D without affecting the internal structure of the body B of the flip covering mobile terminal, So that the productivity is guaranteed and the click feeling is improved.

Description

FLIP COVERING PORTABLE ELECTRONIC APPLIANCE [0001]

The present invention relates to a flip covering portable terminal, and more particularly, to a flip covering portable terminal capable of identifying an image of a display unit through a transparent window while touching a flip cover, will be.

2. Description of the Related Art Generally, a portable terminal is utilized as a PDA (Personal Digital Assistants), a portable media player (PMP), a navigation device, an MP3 player, an E-book, a cellular phone, an iPhone or a smart phone. It is designed to run an operating program by various input means such as electronic induction, resistance, near field imaging (NFI), touch panel using sonic or infrared rays.

As an example, a smart phone combines the advantages of a mobile phone and a personal digital assistant (PDA), integrating data communication functions such as calendar management, fax transmission and reception, and Internet access to mobile phone functions, It is in the spotlight recently that hundreds of different applications (applications) can be installed, added or deleted as desired.

Prior Art Document (10-2005-0002495; keypad for cellular phone) FIG. 1A is a plan view showing an electromagnetic induction type touch panel 60 applied to a keypad for a cellular phone according to the prior art document, and FIG. 1B is a plan view showing an electromagnetic induction type touch panel 60 to which a keypad for a cellular phone according to the prior art document is applied It is the complete block diagram including. The electromagnetic induction type touch panel 60 applied to the prior art document can accurately detect the position using a method of detecting the position of the electronic pen P using the property that the electromagnetic field is generated and resonated, 1A and 1B, a flexible printed circuit board (FPCB) sensor 61 for sensing the touch position of the electronic pen P and an electromagnetic wave generating board 62 for providing electromagnetic waves. The FPCB sensor 61 Is designed to be read as the position of the electronic pen P and transmitted to the main control unit 90 of the cellular phone while being controlled by the touch panel control unit 92. [ At this time, the electronic pen P has a built-in resonance circuit including a coil and a capacitor therein, stores electromagnetic waves provided from the electromagnetic wave generating board 62, and holds the electromagnetic waves for a certain period of time. That is, the electromagnetic wave provided from the electromagnetic wave generating board 62 is moved to the electronic pen P via the FPCB sensor 61, and the electromagnetic pen P stores the electromagnetic wave in the resonance circuit for a predetermined time. Thereafter, the FPCB sensor 61 reads the LC value stored in the electronic pen P and transmits it to the touch panel control unit 92 to detect the position of the electronic pen P. At this time, the resonance circuit of the electronic pen P is a circuit in which the maximum current flows at a specific frequency of the power source applied as the RLC hybrid circuit, and the resonance frequency f thereof can be expressed by the following equation (1). [Equation 1]

L is the inductance of the coil, and C is the capacitance of the capacitor. Such an electromagnetic induction type touch panel 60 senses the position of the electronic pen P by utilizing the property that an electromagnetic field is generated and resonates, thereby detecting an accurate position, and having excellent durability and transmittance, Can be advantageously applied. In addition, since it is dependent only on the electronic pen (P) without being influenced by the finger (H) at all, there is an advantage that the cellular phone can be used more precisely. The touch signal of the electronic pen P sensed by the touch panel control unit 92 is displayed on the display unit 94 via the display control unit 93 while being controlled through the main control unit 90 of the cellular phone, Can be visually confirmed. The key module 30 shown in FIG. 1B is a main input means for operating the cellular phone. Normally, the key module 30 is mainly operated to access the memory 95 via the key module control unit 91 and the main control unit. When the user wants to utilize the touch panel 60 of the electromagnetic induction type, the user can use the key module 30 to operate the touch panel 50 mode It is possible to use it. FIG. 2A is a schematic plan view showing a capacitive touch panel 70 applied to a keypad for a cellular phone according to the prior art document, FIG. 2B is a cross-sectional view taken along II line in FIG. 2A, FIG. 2D is a diagram showing an equivalent circuit diagram of a finger H and a ground used in a capacitive touch panel 70 applied to a keypad for a cellular phone. FIG. 2D illustrates a capacitive touch panel 70 to which a keypad for a cellular phone according to the prior art document is applied. As shown in FIG. 2A and 2B, a touch panel 70 of a capacitive type applied to a keypad for a cellular phone according to the prior art document has a touch of a finger H on a flat resin film 71 as shown in FIG. A transparent electrode 72 for detecting a signal (capacitance) is coated on the transparent electrode 72. The transparent electrode 72 may be formed of ITO (Indium Tin Oxide) or TAO (Tin Antimony Oxide) The metal electrode 73 is provided at the corner or each side of the transparent electrode 72. The metal electrode 73 is formed on the transparent electrode 72, The metal electrode 73 forms a resistive network around the transparent electrode 72 which is arranged in a linearization pattern to sense the touch signal evenly across the surface of the transparent electrode 72. [ The material of the metal electrode 73 may be silver or a mixture of silver and glass, directly silk screen printed on the transparent electrode 72, followed by heat treatment, or may be formed by depositing a general conductive material and then patterning have. A protective film 74 is coated on the upper surface of the resin film 71 including the metal electrode 73 so as to prevent electrical shorting between the finger H and the transparent electrode 72 and to be utilized as a dielectric layer. The capacitance type touch panel 70 generates a voltage drop when the finger H touches the protection film 74 to detect the touch position. More specifically, as for the operation of the capacitive touch panel 70 according to the prior art document, when the capacitive touch panel 70 is first touched with the finger H, as shown in FIG. 2C A touch signal (electrostatic capacitance) of about a few pF which is sensed by the human body is read out from the metal electrode 73 existing at the corner of the transparent electrode 72. At this time, at four or four corners of the metal electrode 73 The read capacitance value is proportional to the distance between the position where the finger H is touched and the distance from the metal electrode 73. As a result, the capacitance value of the four sides or four corners read from the metal electrode 73 The coordinates are converted into coordinates through calculation by the touch panel control unit 92. These coordinates are displayed on the display unit 94 via the display control unit 93 while being controlled through the main control unit 90 of the cellular phone, To It is able to. The key module 30 shown in FIG. 2D is the main input means for operating the cellular phone. Normally, the key module 30 is mainly operated and stored in the memory 95 via the key module control unit 91 and the main control unit. When the user wants to utilize the touch panel 70 of the capacitive type, the user operates the touch panel 50 mode using the key module 30, It is possible to use it.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a flip covering portable terminal which can feel the touch according to a key input to a flip cover provided for protecting a display unit, thereby assuring productivity and enhancing a click feeling.

It is an object of the present invention to provide a method of manufacturing a touch panel, which is capable of reducing the electric resistance of the touch panel when the touch keys of the dome city built in between the top plate and the bottom plate are pressed, Layer and a silver plating pattern layer on the lower portion of the click keys to maintain the sensitivity to the touch key as it is.

It is an object of the present invention to provide a method and apparatus for connecting a carbon-plated pattern layer and a silver-plated pattern layer to each other by network pattern printing so that electric charges for a click key at a push- Thereby preventing malfunction of the touch key due to congestion of the electric charge.

It is an object of the present invention to provide a flip covering portable terminal capable of maximizing a click feeling by pressing and restoring a click key by allowing only a click key of a dome sheet to be pressed by a boss of an actuating sheet. .

An object of the present invention is to provide a flip covering portable terminal capable of rapidly entering and exiting air by providing an air vent line at the bottom of a dome sheet for allowing air to flow in and out by communicating the click keys .

SUMMARY OF THE INVENTION It is an object of the present invention to provide a flip covering portable terminal capable of allowing a user to feel touch with clicking through a click panel while identifying an image of a display unit through a transparent window even when the flip cover is closed.

According to an aspect of the present invention,

A flip covering portable terminal including a body having a display unit for displaying an image while exposing touch keys upward, and a flip cover for covering an upper portion of the body so as to open and close,

The flip cover includes a click panel having click keys that are lowered when a pressing pressure is applied to the touch keys to actuate the touch keys and click keys are provided when the pressing pressure is released, As a basic feature of the technical construction.

The present invention has the effect of enhancing the click feeling by allowing the flip cover provided for protecting the display unit to feel the touch according to the key input.

The present invention relates to a carbon plating pattern layer having a low electrical resistance and high electrical conductivity in consideration of the case where the capacitance of the finger is not sufficiently reflected on the touch key when the click keys of the dome city embedded between the top plate and the bottom plate are pressed, The silver plating pattern layer is provided below the click keys, thereby allowing the touch panel to maintain the sensitivity to the touch keys.

According to the present invention, the carbon-plated pattern layer and the silver-plated pattern layer are connected to each other by network pattern printing so that the charge for the click key at the pushing point in the voltage drop according to the electrostatic capacity of the touch key can flow through the neighboring click key, It is possible to prevent the malfunction of the touch key due to the malfunction of the touch key (the malfunction that the charge is stagnated even after the finger is pressed and released, which is regarded as key input).

The boss of the actuating sheet can press only the click key of the dome sheet as a point, so that the click feeling can be precisely pressed and restored to maximize the click feeling.

According to the present invention, there is provided an air vent line (air vent line) for allowing air to flow in and out by communicating the click keys, thereby enabling the air to flow in and out quickly.

According to the present invention, the touch keys are identified as touch fonts, and the top plate has click fonts corresponding to the touch fonts so that the user can freely input the key while checking the click fonts even when the user closes the flip cover As a result, it is possible to realize the same effect as key input while viewing the touch fonts.

The present invention has the effect of maximizing the convenience of the user by allowing the user to feel touch with clicking through the click panel while identifying the image of the display unit through the sight window in a state where the flip cover is closed.

1A is a plan view showing an electromagnetic induction type touch panel applied to a keypad for a cellular phone according to the prior art document.
FIG. 1B is an overall block diagram including an electronic inductive touch panel to which a keypad for a cellular phone according to the prior art document is applied.
2A is a plan view showing a capacitive touch panel applied to a keypad for a cellular phone according to the prior art document.
FIG. 2B is a sectional view showing a capacitive touch panel applied to a keypad for a cellular phone according to the prior art document. FIG.
2C is an equivalent circuit diagram of a finger and a ground used in a capacitive touch panel applied to a keypad for a cellular phone according to the prior art document.
2D is an overall block diagram including a capacitive touch panel to which a keypad for a cellular phone according to the prior art is applied.
FIG. 3A is a perspective view showing a flip covering mobile terminal in which a flip cover is closed according to the present invention; FIG.
FIG. 3B is a perspective view showing a flip covering portable terminal with a flip cover opened according to the present invention. FIG.
4 is an exploded perspective view illustrating a flip cover applied to a flip covering mobile terminal according to the present invention;
5 is a sectional view showing a flip cover applied to a flip covering mobile terminal according to the present invention.
FIG. 6 is a perspective view of a dome sheet applied to a flip-covering portable terminal according to the present invention, including enlargement of a recessed portion viewed from the bottom; FIG.
7 is an exploded perspective view illustrating a dome sheet applied to a flip-covering portable terminal according to the present invention.

A preferred embodiment of a flip-covering portable terminal according to the present invention will be described with reference to the drawings, and there can be a plurality of embodiments thereof, and it is possible to better understand the objects, features and advantages of the present invention through these embodiments. .

FIG. 3A is a perspective view showing a flip covering portable terminal with a flip cover closed according to the present invention, and FIG. 3B is a perspective view showing a flip covering portable terminal with a flip cover opened according to the present invention.

The flip covering portable terminal according to the present invention can be utilized as a PDA (Personal Digital Assistants), a portable media player (PMP), an MP3 player, an E-book, a cellular phone, an iPhone or a smart phone, As shown in the figure, the smartphone is an example of a smart phone. The smart phone includes a body B having a display unit D for displaying an image while exposing the touch keys K1 upward, And a flip cover 100 for opening and closing the upper portion of the flip cover 100.

For example, a portable terminal used as a smart phone has touch keys K1 as illustrated in the prior art document. Such touch keys K1 can be conveniently used by a user, So that it is relatively inconvenient that the user can not feel the touch due to the key input at all.

In order to solve this relative inconvenience, it is possible to provide a separate key for tactile feeling in the body B under the display portion D. However, in this case, the thickness of the body B is thicker than that of the touch key K1 The key input parts of the present invention need to be further complicated, resulting in a problem of deteriorating the productivity.

The present invention is not limited to the flip cover 100 provided for protecting the display unit D without affecting the internal structure of the body B of the portable terminal, This is to improve the sense of touch to guarantee the productivity and to improve the click feeling.

4 is an exploded perspective view illustrating a flip cover applied to a flip covering portable terminal according to the present invention.

As shown in FIG. 4, the flip cover 100 applied to the flip-covering portable terminal according to the present invention is lowered when pressing pressure is applied so as to drive each touch key K1. When the pressing pressure is released, And a click panel 40 having click keys K2 for giving a sense of touch.

By providing the click panel 40 with the click keys K2 to the flip cover 100, the improvement of the conventional flip cover 100 itself without adding any configuration to the body B filled with a large number of electronic components So that productivity can be ensured and the user's feeling of key input can be further improved.

FIG. 5 is a cross-sectional view of a flip cover applied to a flip-covering portable terminal according to the present invention (the metal dome M is omitted in order to overcome the complexity of the drawing in FIG. 5).

The flip cover 100 according to the present invention includes a flexible bottom plate 10 for supporting the click panel 40 as shown in FIGS. 3A to 5, a seating area for seating the click panel 40, A middle stiffener 20 attached to the bottom plate 10 with a top plate 21 and a flexible top plate 30 attached to the middle stiffener 20 while covering the click panel 40, .

The bottom plate 10 and the top plate 30 are made of a flexible material such as suede or silicone to enable the pushing of the click key K2 and the middle stiffener 20 opens and closes the display portion D (PC), poly (ethylene terephthalate), or PET to accommodate and protect the click panel 40 while allowing the flip cover 100 to perform its original function.

More specifically, the click panel 40 corresponds to each of the touch keys K1, and when the pressing pressure is applied, the click panel K2 is depressed, and when the pressing pressure is released, the click panel K2, which is a dome type, And a dome sheet (41).

The dome sheet 41 may be made of synthetic resin such as PC or PET, which can be lowered and restored according to the pressing pressure while having elasticity. To increase the restoring force, the dome sheet 41 may be made thicker or clicked using a highly elastic PC or PET You can make your senses feel intense.

On the other hand, as shown in FIG. 4, the metal dome M attached to the lower portion of the click key K2 so as to reinforce elasticity may be further included, thereby maximizing the restoring force.

FIG. 6 is a perspective view of a dome sheet applied to a flip-covering portable terminal according to the present invention, including enlargement of a recess viewed from the bottom.

More preferably, the touch keys K1 are of a capacitive type which generates a signal by a voltage drop due to electrostatic capacitance as known in the prior art, and the dome sheet 41 has a capacitance A carbon plating pattern layer 41c printed in a network pattern under the click keys K2 so as to be interlocked with a voltage drop due to the electrostatic capacity of the touch keys K1.

In consideration of the case where the capacitance of the finger is not sufficiently reflected on the touch key K1 when the dome city click keys K2 are pressed between the top plate 30 and the bottom plate 10, The carbon plating pattern layer 41c is provided on the lower surface of the click key K2 to maintain the sensitivity to the touch key K1 as it is. So that the charge for the click key K2 at the pushing point in the voltage drop according to the electrostatic capacity of the touch key K1 can flow quickly to the neighboring click key K2, The malfunction of the touch key K1 due to the malfunction of the touch key K1 (a malfunction in which the charge is stagnated even after the finger is pressed and released, which is regarded as key input) can be prevented in advance.

At this time, it is possible to further include a silver plating pattern layer 41d printed in a network pattern along the carbon plating pattern layer 41c.

Since the silver plating pattern layer 41d has a relatively lower resistance value and higher electric conductivity than the carbon plating pattern layer 41c, the click pattern K2 Can be made to flow more rapidly to the neighboring click key K2 so that malfunction of the touch key K1 due to stagnation of the charge can be prevented thoroughly.

The click panel 40 applied to the flip covering portable terminal according to the present invention is configured such that the click panel 40 is set on the dome sheet 41 with the bosses 42a for pressing the click keys K2, And may further include an actuating sheet (42).

The boss 42a of the actuating seat 42 can press only the click key K2 of the dome sheet 41 as a new point so that the click feeling K2 can be accurately pressed and restored to maximize the click feeling .

The seating area 21 of the middle stiffener 20 further includes an actuating sheet 42 mainly made of a silicone resin and further including partition ribs 21a corresponding to the boundary between the click keys K2, It is preferable to prevent the deflection of the partition rib 21a.

7 is an exploded perspective view illustrating a dome sheet applied to a flip-covering portable terminal according to the present invention.

6 and 7, the dome sheet 41 applied to the flip-covering portable terminal according to the present invention includes an air vent line 41a for allowing air to flow in and out by communicating the click keys K2, And the air vent line 41a can be completed by the air vent tape 41b attached to the lower part of the dome sheet 41. [

When the click key K2 of the dome sheet 41 is pressed and restored, the air inside the dome sheet 41 must be quickly removed and then replenished. In order to allow the air to flow in and out, And the air vent line 41a is simply provided as the air vent tape 41b.

Further, the touch keys K1 are identified as touch fonts F1, and the top plate 30 has click fonts F2 corresponding to the touch fonts F1, so that the user can press the flip cover 100 It is possible to freely perform key input while checking the click fonts F2 even in the closed state, and to achieve the same effect as key input while viewing the touch fonts F1 as a result.

The flip cover 100 may include a viewing window 50 for exposing an image of the display portion D and the viewing window 50 may be provided on the bottom plate Through holes 51 opened in the middle stiffener 20 and the middle through holes 52 opened in the middle stiffener 20 so as to coincide with the bottom through holes 51, Through hole (53) opened in the through hole (30).

The bottom plate 10 and the top plate 30 are made to pass through as a bottom through hole 51 and a top through hole 53 in consideration of being made of an opaque material such as Suede or silicone, Through window 50 as a bottom through hole 51, a middle through hole 52 and a top through hole 53 in consideration of a rigid PC or PET material as a middle through hole 52. [ The image of the display portion D is recognized through the transparent window 50 while the flip cover 100 is closed and at the same time the displayed icons are touched while the clicked panel 40 is clicked, It is possible to maximize the convenience of the user by enabling the touch.

INDUSTRIAL APPLICABILITY The present invention can be applied to portable terminal industries such as personal digital assistants (PDA), portable media players (PMPs), MP3 players, E-books, cellular phones, iPhones and smart phones.

B: Body D: Display portion
K1: Touch key F1: Touch font
100: flip cover 10: bottom plate
20: Middle Stiffener 21: Seated area
21a: compartment ribs 30: top plate
F2: Click Font 40: Click Panel
41: dome sheet K2: click key
M: Metal dome 41a: Air vent line
41b: Air vent tape 41c: Carbon plating pattern layer
41d: silver plating pattern layer 42: actuating sheet
42a: Boss 50:
51: bottom through hole 52: middle through hole
53: Top through hole

Claims (13)

A body B having a display portion D for displaying an image while exposing the touch keys K1 upward and a flip cover 100 for covering the upper portion of the body B so as to open and close A flip covering portable terminal comprising:
The flip cover 100 is provided with a click key K2 that is lowered when a pressing pressure is applied to allow the touch keys K1 to be driven respectively and is restored when a pressing pressure is released, And a click panel (40) having a plurality of buttons (40). The method according to claim 1,
The flip cover (100)
A flexible bottom plate 10 for supporting the click panel 40,
A middle stiffener 20 attached to the bottom plate 10 with a seating area 21 for seating the click panel 40,
And a flexible top plate (30) attached to the middle stiffener (20) while covering the click panel (40). 3. The method of claim 2,
The click panel 40 corresponds to each of the touch keys K1 and descends when the pressing pressure is applied. When the pressing panel 40 releases the pressing pressure, the click panel 40 has a dome sheet having the dome- 41). ≪ / RTI > The method of claim 3,
Further comprising a metal dome (M) attached to the lower portion of the click key (K2) to reinforce elasticity. The method of claim 3,
The touch keys K1 are of a capacitance type for generating a signal by a voltage drop due to capacitance,
The dome sheet 41 may include a carbon plating pattern layer 41 printed on the lower portion of the click keys K2 so as to be interlocked with a voltage drop due to the electrostatic capacitance of the touch keys K1, (41c). ≪ / RTI > 6. The method of claim 5,
And a silver plating pattern layer (41d) printed in a network pattern along the carbon plating pattern layer (41c). The method of claim 3,
Characterized in that the click panel (40) further comprises an actuating seat (42) set on the dome seat (41) with bosses (42a) pressing the click keys (K2) Mobile terminal. 8. The method of claim 7,
Wherein the seating area (21) further comprises partition ribs (21a) corresponding to a boundary between the click keys (K2). The method of claim 3,
And an air vent line (41a) formed at a lower portion of the dome sheet (41) and communicating with the click keys (K2) to allow air to flow in and out. 10. The method of claim 9,
Wherein the air vent line (41a) is completed by an air vent tape (41b) attached to a lower portion of the dome sheet (41). 3. The method of claim 2,
The touch keys K1 are identified as touch fonts F1,
Wherein the top plate (30) has click fonts (F2) matching the touch fonts (F1). 12. The method according to any one of claims 2 to 11,
Wherein the flip cover (100) includes a viewing window (50) for exposing an image of the display unit (D). 13. The method of claim 12,
The viewing window (50)
A bottom through hole 51 bored in the bottom plate 10 to conform to an image viewed through the display unit D,
A middle through hole 52 opened in the middle stiffener 20 so as to coincide with the bottom through hole 51,
And a top through hole (53) formed in the top plate (30) to conform to the middle through hole (52).

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