KR101886302B1 - Flat panel display device and manufacturing method thereof - Google Patents

Abstract

The present invention relates to a flat panel display.
A flat panel display device according to the present invention includes: a display panel including a first substrate on which a display area and a non-display area are defined, and a second substrate which is adhered to the first substrate in a facing manner; A display panel module including a printed circuit board connected to the integrated circuit chip and connected to the display panel through a connecting member along one edge of the display panel, a light guide plate, and a light guide plate disposed on at least one side of the light guide plate A first front cover including an insertion hole into which the quick access key assembly can be inserted and a second front cover positioned on a front surface of the first front cover; And a front cover coupled in front of the display panel module.
According to the present invention, it is possible to realize a flat panel display device of a thin and narrow bezel.

Description

TECHNICAL FIELD [0001] The present invention relates to a flat panel display device and a method of manufacturing the same,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a flat panel display device and a method of manufacturing the same, and more particularly, to a flat panel display device capable of reducing a width and an overall thickness of a bezel.

A cathode ray tube (CRT) is usually used as a display device. However, a flat panel display device such as a plasma display panel (PDP), a liquid crystal display device (LCD), an organic light emitting diode (OLED) Display devices have been widely studied and used.

Among such flat panel display devices, liquid crystal display devices are advantageous for moving picture display and exhibit a large contrast ratio, and they are actively used in TVs, monitors, and the like. In optical anisotropy and polarization of liquid crystal, Thereby realizing an image.

In addition, the organic light emitting diode display device is a self-luminous element, and it is lightweight and thin because it does not require a backlight used in a liquid crystal display device which is a non-light emitting element.

In addition, it has superior viewing angle and contrast ratio compared with liquid crystal display devices, is advantageous in terms of power consumption, can be driven by DC low voltage, has a quick response speed, is resistant to external impacts due to its solid internal components, .

Accordingly, researches for using an organic light emitting diode display device in various fields have been actively conducted.

Such an organic light emitting diode display device can be divided into a passive matrix type and an active matrix type, and an active type organic light emitting diode display device capable of low power consumption, fixed size, and large size is being used.

On the other hand, recently, organic light emitting diode display devices are being used in a large size such as a portable computer such as a cell phone and a small computer, as well as a desktop computer and a wall-mounted television, and the width of the use area is gradually widened. Research is being actively carried out to realize a narrow bazel.

Particularly, a portable device such as a mobile phone is mainly used by a user while carrying out researches to have a thin display area and a wider display area. A configuration corresponding to a quick access key for accessing a quick menu There is a problem that it is difficult to realize a thin and narrow bezel.

SUMMARY OF THE INVENTION Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art, and an object of the present invention is to provide a quick access key assembly, And a method of manufacturing the same.

According to an aspect of the present invention, there is provided a flat panel display comprising: a display panel including a first substrate having a display area and a non-display area defined therein, and a second substrate facing the first substrate; A display panel module including an integrated circuit chip mounted on a non-display area of the first substrate, and a printed circuit board connected to the integrated circuit chip and connected via a connecting member along one edge of the display panel; A quick access key assembly including a light guide plate and an LED assembly disposed on at least one side of the light guide plate; A first front cover including an insertion hole into which the quick access key assembly can be inserted and a second front cover positioned on a front surface of the first front cover, .

And the quick access key assembly is disposed at a position corresponding to the non-display area.

Wherein the second front cover is composed of a transparent portion for transmitting an image and a blocking portion formed along the rim of the transparent portion and blocking light, and the blocking portion on the lower side of the blocking portion on the front surface of the second front cover And a quick access key corresponding to the access key assembly.

And a back cover coupled to the back of the display panel module. The front cover has a resilient member such as a cushion or a pad.

In particular, the first substrate includes a driving and switching thin film transistor and an organic light emitting diode, and the second substrate faces the first substrate and is a substrate for encapsulation. The first and second substrates are sealed Are sealed and joined together through a member.

The liquid crystal display device may further include a backlight unit including a light source for supplying light to the display panel, wherein the liquid crystal layer is interposed between the first substrate and the second substrate.

According to another aspect of the present invention, there is provided a method of manufacturing a flat panel display, including: preparing a first front cover having insertion holes; Preparing a second front cover positioned on a front surface of the first front cover, and attaching the first and second front covers to manufacture a front cover; Inserting and fixing a quick access key assembly in an insertion hole of the first front cover; Preparing a display panel module and a back cover, positioning the front cover in front of the display panel, positioning the back cover to the rear of the display panel, and then joining them.

As described above, according to the present invention, by applying the front cover composed of the first front cover having the insertion hole corresponding to the quick access key assembly and the second front cover positioned on the front face of the first front cover, Width can be reduced.

In particular, a dual-structure front cover having a thickness equal to that of a general front cover is manufactured, thereby making it possible to realize a thin and narrow bezel organic light emitting diode display device without increasing the overall thickness of the organic light emitting diode display.

1 is an exploded perspective view schematically illustrating an organic light emitting diode display device according to a preferred embodiment of the present invention.
2 is a cross-sectional view illustrating an organic light emitting diode display device according to a preferred embodiment of the present invention.
3A is a view showing an organic light emitting diode display device according to the present invention.
FIG. 3B is a view showing a general organic light emitting diode display device. FIG.
FIG. 4 is a flowchart illustrating a manufacturing process of an organic light emitting diode display device according to a preferred embodiment of the present invention. FIG.
5 is a cross-sectional view illustrating an internal structure of a display panel in an organic light emitting diode display device according to a preferred embodiment of the present invention.

Hereinafter, embodiments according to the present invention will be described in detail with reference to the drawings.

FIG. 1 is an exploded perspective view schematically illustrating an organic light emitting diode display device according to a preferred embodiment of the present invention, and FIG. 2 is a cross-sectional view illustrating an organic light emitting diode display device according to a preferred embodiment of the present invention.

1 and 2, the organic light emitting diode display 100 includes a display panel module 130, a quick access key assembly 120, a display panel module 130, and a quick access key assembly (not shown) 120 and a back cover 160 for covering and covering the front cover 140 and the back cover 160.

The display panel module 130 includes a display panel 110, an integrated circuit chip 115, and a printed circuit board 117.

The display panel 110 includes a first substrate 112 having a mounting area corresponding to the display area DA and a non-display area NDA and a second substrate 112 formed with a size smaller than that of the first substrate 112 And a second substrate 114 for encapsulation.

The first and second substrates 112 and 114 are spaced apart from each other, and the edges of the first and second substrates 112 and 114 are sealed and attached together through a seal pattern (not shown).

The first substrate 112 includes a plurality of pixels arranged in a matrix form in a display area DA, and a gate and a data driver for driving a plurality of pixels are formed in a display area DA or a mounting area And a gate and a data pad electrode are included in the mounting region.

The second substrate 114 is bonded to the first substrate 112 so as to oppose each other and functions to seal the driving unit and the wires formed on the first substrate 112 from the outside.

A polarizing plate 119 may be provided on the front surface of the second substrate 114 of the display panel 110 as shown in FIG. At this time, the surface treatment layer 150 may be further included on the front surface of the polarizing plate 119. The surface treatment layer 150 may prevent the contrast from being deteriorated by the external light and improve the outdoor visibility.

The integrated circuit chip 115 is mounted on the non-display area NDA of the first substrate 112 and is electrically connected to the gate and data pad electrodes.

The integrated circuit chip 115 is disposed adjacent to the second substrate 114 and a resin 135 is applied around the integrated circuit chip. The resin 135 is UV cured Resin, and protects the driver, the wiring, and the electrodes formed in the non-display area NDA from external moisture and the like. At this time, the resin 135 may be coated on the front surface of the integrated circuit chip 115 so as to cover the integrated circuit chip 115 so that the integrated circuit chip 115 is protected.

A printed circuit board 117 is connected to at least one edge of the display panel 110 via a connection member such as a flexible circuit board 116 so that the back surface of the display panel 110 As shown in Fig.

The printed circuit board 117 includes electronic elements for processing driving signals and is connected to the integrated circuit chip 115 and includes a connector 118 such as a connector for receiving an external signal at one edge thereof.

The quick access key assembly 120 is an assembly corresponding to the quick access key 143 for accessing a quick menu. The quick access key assembly 120 includes a light source, a light guide plate 123 facing one side of the light source, and a driving unit (Not shown).

The quick access key assembly 120 responds to the selection of the quick access key 143 or the driving of the organic light emitting diode display 100 to supply light to the quick access key 143, And notifies the operation of the apparatus.

Here, the LED 129a is used as a light source, and a plurality of LEDs 129a are mounted on a printed circuit board (PCB) 129b to form the LED assembly 129. [ Each of the plurality of LEDs 129a corresponds to a side-view type in which light is emitted to one side, and the printed circuit board 129b is a flexible printed circuit board (PCB) FPCB).

The LED assembly 129 is fixed by an adhesive or an adhesive such as a double-sided tape so that light emitted from each of the plurality of LEDs 129a faces the light-incoming portion of the light guide plate 123. [

The light guide plate 123 functions to realize light as a surface light source by guiding light emitted from the plurality of LEDs 129a.

The light emitted from the plurality of LEDs 129a of the LED assembly 129 is refracted and reflected by the light guide plate 123 so that a part of the front cover 140 (a portion corresponding to the quick access key 143) In the form of a surface light source.

The quick access key assembly 120 is attached and fixed to the front cover 140 with an adhesive 121 such as an adhesive or a double-sided tape. More specifically, the quick access key assembly 120 includes a light guide plate The front surface of the first substrate 123 is attached to the back surface of the second front cover 140b through the insertion hole 148 formed in the first front cover 140a and fixed in position, In the present invention. This will be described in detail later.

The display panel module 130 and the quick access key assembly 120 described above are assembled by combining the front cover 140 and the back cover 160 in front of and behind the display panel module 130 and the quick access key assembly 120, respectively.

The front cover 140 includes a first front cover 140a and a second front cover 140b positioned on a front surface of the front cover 140. The front cover 140 protects the display panel module 130 from the front of the display panel module 130, .

The first front cover 140a includes an insertion hole 148 into which the quick access key assembly 120 is inserted so that an organic light emitting diode display device having a narrow bezel width can be realized.

The insertion hole 148 is formed at the lower end of the first front cover 140a when viewed from the front.

The first front cover 140a may be formed entirely transparent so as to transmit an image formed by the organic light emitting diode display device 100, or the center display region may be formed to be transparent and the frame except for the display region may be opaque .

The second front cover 140b is provided on the front surface of the first front cover 140a to block the front surface of the insertion hole 148 formed in the first front comer 140a to prevent the quick access key assembly 120 from being visible from the outside do.

The second front cover 140b includes a transparent portion 142 for displaying an image corresponding to the display area DA of the display panel 110, And a light shielding portion 144 corresponding to the NDA.

Here, the light-shielding part 144 is implemented as an opaque color to prevent unnecessary light, thereby preventing a light leakage phenomenon.

When viewed from the front of the second front cover 140b, the shielding part 144 is divided into an upper shielding part 144a and a lower shielding part 144b, and a left shielding part 144c and a right shielding part 144d .

The upper light shielding portion 144a has a first width L1 and the left and right light shielding portions 144c and 144d each have a second width L2 that is narrower than the first width L1. And the lower shielding part 144b may be formed in a third width L3 that is larger than the first width L1 and the second width L2 in correspondence with the non-display area NDA of the display panel 110 . Here, the first width L1 and the second width L2 may be formed identically.

A mark corresponding to the quick access key 143 is printed on the lower shielding part 144b. Here, the quick access key 143 may include at least one of a home key for returning to the idle screen, an end key for ending, a cancel key for canceling, and a menu key showing various menus.

Although the second front cover 140b is shown as a flat plate, the second front cover 140b may be formed to include a side surface to cover the front and side edges of the display module 110 and to be coupled with the back cover 160 , And the front center may be opened.

The front cover 140 composed of the first and second front covers 140a and 140b is formed by dividing the overall thickness of a general front cover in such a way that the total thickness A is the same as that of a general front cover . So that the overall thickness of the organic light emitting diode display device 100 is not affected.

The back cover 160 is a component based on the entire assembly of the organic light emitting diode display device 100 and includes a horizontal portion 162 having a rectangular plate shape and a side portion 164 vertically connected to the edge of the horizontal portion 162 .

Accordingly, the back cover 160 receives the display panel module 130 through the horizontal portion 162 and the side surface portion 164. At this time, a shock absorbing member such as a cushion or pad (Not shown).

The shock absorbing member (not shown) is positioned between the display panel module 130 and the back cover 160 to protect the display panel module 130 from external impact.

Although not shown, a protective film may be further provided on the front surface and the outermost surface of the organic light emitting diode display device 100. The protective film protects the front surface of the organic light emitting diode display device 100, It can reduce the reflectance to light to prevent glare and improve the visibility.

FIG. 3A is a view showing an organic light emitting diode display device according to the present invention, and FIG. 3B is a view showing a general organic light emitting diode display device.

The organic light emitting diode display 100 shown in FIG. 3A is an embodiment according to the present invention, and the organic light emitting diode display 1 shown in FIG. 3B is a general organic light emitting diode display, This is a comparative example for comparison.

The organic light emitting diode display 100 according to the embodiment has a width of the lower bezel of the third width L3 and the organic light emitting diode display 100 as a comparative example. It can be seen that the device 1 has a fourth width M that is wider than the third width L3.

In addition, the organic light emitting diode display 100 according to the embodiment of the present invention has a wider screen area by reducing the width of the lower bezel to the third width L1.

This is because the free space between the front surface of the integrated circuit chip and the rear surface of the front cover is insufficient for the quick access key assembly to be located in the general organic light emitting diode display device 1, And the width M of the lower bezel is widened by being positioned along the lower edge of the lower bezel.

2, the organic light emitting diode display 100 according to the embodiment of the present invention includes a front cover 140 (see FIG. 2) and a quick access key assembly (not shown) on the inner first front cover 140a 2) of the second front cover (140b in Fig. 2) located on the outermost surface of the integrated circuit chip (115 in Fig. 2) by forming an insertion hole (148 in Fig. 2) So that a sufficient space can be provided. 2) through the insertion hole (148 in FIG. 2) to the rear surface of the second front cover (140b in FIG. 2) from the front surface of the integrated circuit chip There is an advantage that the third width L3 of the lower bezel can be reduced.

Particularly, the total thickness A of the front cover (140 in FIGS. 1 and 2) is made to be the same as that of the front cover of the general organic light emitting diode display device 1, It is possible to realize a thin organic light emitting diode display device.

FIG. 4 is a flowchart illustrating a manufacturing process of an organic light emitting diode display device according to a preferred embodiment of the present invention. Referring to FIG. 1 and FIG.

First, a first front cover (140a in FIG. 1 and FIG. 2) in which an insertion hole (148 in FIGS. 1 and 2) for inserting a quick access key assembly (120 in FIGS. 1 and 2) ).

Then, a second front cover (140b in FIG. 1 and FIG. 2) in which the transparent portion (142 in FIGS. 1 and 2) and the blocking portion (144 in FIG. 1 and FIG. 2) are defined is prepared (ST3). At this time, a mark corresponding to the quick access key (143 in FIG. 1) is displayed on the light shielding portion (144b in FIG. 1 and FIG. 2) of the lower front cover It is printed. In addition, a logo (not shown) may be printed on the upper light shielding part (144a in FIG. 1 and FIG. 2).

A first front cover (140b in Fig. 1 and Fig. 2) is disposed on the front surface of the first front cover (140a in Fig. 1 and Fig. 2) (FIGS. 1 and 2) 140a and 140b) are assembled together to manufacture a front cover 140 (FIGS. 1 and 2) (ST5).

1 and 2) in the back surface of the front cover (140 in Figs. 1 and 2), i.e., the insertion holes (148 in Figs. 1 and 2) of the first front cover 2) is attached and fixed (ST7). At this time, the quick access key assembly (120 in FIGS. 1 and 2) is fixed in position through an adhesive member (121 in FIG. 2) such as an adhesive or a double-sided tape.

Then, a back cover (160 in Fig. 1 and Fig. 2) and a display panel module (120 in Fig. 1 and Fig. 2) are prepared (ST9 and ST11).

1 and 2) and the back cover (160 of FIG. 1 and FIG. 2) are combined with each other in the front and rear sides of the display panel module 120 (ST13).

At this time, a transparent resin is applied to a certain thickness on the front face of the display panel module (120 in Figs. 1 and 2), that is, the front face of the polarizer 119 (Fig. 2) (140 in Figs. 1 and 2), or can be fixed to the front cover (140 in Figs. 1 and 2) of the display panel module (120 in Figs. 1 and 2) via a transparent double- have. Here, the resin or the double-sided tape may serve as a surface treatment layer (150 in FIG. 2). The surface treatment layer (150 in FIG. 2) prevents the deterioration of contrast caused by external light, Can play a role.

1 and Fig. 2) coupled to the back panel of the display panel module (120 of Fig. 1 and Fig. 2), the display panel module (130 of Fig. 1 and Fig. 2) A shock-absorbing member (not shown) may be disposed. The shock-absorbing member (not shown) may be made of a resilient member such as a cushion or pad.

Hereinafter, the internal structure of the display panel 110 will be described with reference to FIG.

5 is a cross-sectional view illustrating an internal structure of a display panel in an organic light emitting diode display device according to a preferred embodiment of the present invention.

5, the display panel 110 includes a first substrate 112 on which a driving and switching thin film transistor DTr (not shown) and an organic light emitting diode E are formed, a first substrate 112, And a second substrate 114 for encapsulation. The first and second substrates 112 and 114 are spaced apart from each other. The edges of the first and second substrates 112 and 114 are sealed through a seal pattern 220, do.

A switching thin film transistor (not shown) and a driving thin film transistor DTr are formed on the first substrate 112 for each pixel region P, and each of the driving thin film transistors DTr, An organic light emitting layer 213 disposed on the first electrode 211 and the first electrode 211 to emit light of a specific color and a second electrode 215 disposed on the organic light emitting layer 213 The organic electroluminescent diode E is formed.

Here, the driving thin film transistor DTr includes a gate electrode 207, a semiconductor layer 203, and source and drain electrodes 219a and 219b. At this time, the driving thin film transistor DTr may include a top gate type including a polysilicon semiconductor layer, or may be a bottom gate type including a semiconductor layer made of amorphous silicon of pure water and impurities. have.

Here, the top gate type driving thin film transistor DTr will be described as an example. The semiconductor layer 203 is made of polysilicon, and its central portion has active regions 203a, which are channels, and active regions 203a, And source and drain regions 203b and 203c doped with impurities, and a gate insulating film 205 is formed on the semiconductor layer 203. [

A gate electrode 207 is formed on the gate insulating film 205 in correspondence with the active region 203a of the semiconductor layer 203. [

An interlayer insulating film 209a is formed on the upper surface of the gate electrode 207. The interlayer insulating film 209a and the gate insulating film 205 under the gate insulating film 209a are formed on the source and drain regions 203a, And a semiconductor layer contact hole 202 for exposing the semiconductor layers 203b and 203c, respectively.

Next, on the upper part of the interlayer insulating film 209a including the semiconductor layer contact hole 202, a source which is in contact with the source and drain regions 203b and 203c which are spaced apart from each other and exposed through the semiconductor layer contact hole 202, Drain electrodes 219a and 219b are formed.

A protective film 209b is formed on the source and drain electrodes 219a and 219b and the exposed interlayer insulating film 209a. The protective film 209b includes a drain contact hole 217 exposing the drain electrode 219b, Respectively.

Though not shown in the drawing, the switching thin film transistor (not shown) has the same structure as the driving thin film transistor DTr and is connected to the driving thin film transistor DTr.

A first electrode 211, an organic light emitting layer 213 and a second electrode 215 constituting the organic electroluminescent diode E are sequentially formed in a region for displaying an image on the protective film 209b have.

The organic light emitting layer 213 may be formed of a single layer made of a light emitting material. In order to increase the light emitting efficiency, a hole injection layer, a hole transporting layer, an emitting material layer, And may be composed of multiple layers of an electron transporting layer and an electron injection layer.

Here, the first electrode 211 is formed for each pixel region P, and a bank 218 is formed in a non-pixel region (not shown) between the first electrodes 211 formed for each pixel region P Located.

That is, the banks 218 are formed in a matrix type of a lattice structure as a whole on the substrate, and the banks 218 are divided into the pixel regions P by using the banks 218 as boundary portions for each pixel region P Respectively.

The first electrode 211 is connected to the drain electrode 219b of the driving thin film transistor DTr through the drain contact hole 217 of the protective film 209b.

The display panel 110 is divided into a top emission type and a bottom emission type according to a direction in which light is emitted.

In the upper emission type, the second electrode 215 is made transparent, light from the organic emission layer 213 passes through the second electrode 215, and the lower emission type is a method in which the first electrode 211 is transparent So that light from the organic light emitting layer 213 passes through the first electrode 211.

In this case, in the upper emission type, the second electrode 215 is formed of ITO, which is a transparent conductive material, and the first electrode 211 is formed of a metal material such as aluminum, so that light from the organic light- Electrode 215, and the like.

In the bottom emission type, the first electrode 211 is formed of ITO, which is a transparent conductive material, and the second electrode 215 is formed of a metal material such as aluminum, so that light from the organic light- (211).

When a predetermined voltage is applied to the first electrode 211 and the second electrode 215 in accordance with a selected color signal, the display panel 110 having the above-described structure may be configured such that the first electrode 211 is connected to the cathode Electrons injected from the first electrode 211 and holes injected from the second electrode 215 are transported to the organic light emitting layer 213 when the second electrode 215 is an anode When the excitons transit from the excited state to the ground state, light is generated and emitted in the form of visible light.

At this time, the display panel 110 implements an arbitrary image through the emitted light.

Although the organic light emitting diode display device has been described above as an example, the first and second front covers according to the present invention can be applied to a liquid crystal display device including a liquid crystal display panel and a backlight unit.

It is most preferable that the embodiment according to the present invention is applied to a lightweight, thin and compact portable display device such as a cellular phone, a digital multimedia broadcasting (DMB) terminal, a personal digital assistant (PDA)

The embodiments of the present invention as described above are merely illustrative, and those skilled in the art can make modifications without departing from the gist of the present invention. Accordingly, the protection scope of the present invention includes modifications of the present invention within the scope of the appended claims and equivalents thereof.

100: organic light emitting diode display device 110: display panel
112: first substrate 114: second substrate
115: integrated circuit chip 116: flexible circuit board
117: printed circuit board 119: polarizer
120: quick access key assembly 123: light guide plate
129: LED assembly 130: display panel module
140a: first front cover 148: insertion hole
140b: second front cover 142:
144: light shield 160: back cover

Claims (9)

A display panel including a first substrate on which a display region and a non-display region are defined and a second substrate which is adhered to and opposed to the first substrate; an integrated circuit chip mounted on a non- A display panel module including a printed circuit board connected to the chip and connected to the display panel through a connecting member along one edge of the display panel;
A first front cover positioned above the display panel module and covering an entire surface of the display panel module and including an insertion hole; a second front cover positioned above the first front cover and covering the entire front surface of the first front cover; A front cover which is composed of two front covers and is coupled to the front of the display panel module;
A quick access key assembly comprising a light guide plate and an LED assembly disposed on at least one side of the light guide plate, the quick access key assembly being disposed between the display panel module and the second front cover exposed by the insertion hole.
/ RTI >
The organic electroluminescent device according to claim 1, wherein the organic electroluminescent device comprises a first substrate, a driving thin film transistor and an organic electroluminescent diode formed on the first substrate, the second substrate facing the first substrate for encapsulation, Sealed < / RTI >
Flat panel display.
The method according to claim 1,
And the quick access key assembly is disposed at a position corresponding to the non-display area.
The method according to claim 1,
Wherein the second front cover comprises a transparent portion for transmitting an image and a blocking portion formed along the edge of the transparent portion and blocking light,
And a quick access key corresponding to the quick access key assembly is included in the lower blocking part of the blocking part on the front surface of the second front cover.
The method according to claim 1,
Further comprising a back cover coupled to the rear of the display panel module,
And a member having elasticity such as a cushion or pad is provided on the front surface of the back cover.


delete delete Preparing a first front cover having an insertion hole;
Preparing a second front cover positioned on the upper portion of the first front cover and covering the entire front surface of the first front cover and attaching the first and second front covers to manufacture a front cover;
Inserting and fixing a quick access key assembly in an insertion hole of the first front cover;
The display panel module and the back cover are prepared, the front cover to which the quick access key assembly is fixed is positioned in front of the display panel module, the back cover is positioned to the rear of the display panel module, step
/ RTI >
Wherein the display panel module includes a display panel including a first substrate on which a display area and a non-display area are defined, and a second substrate which is adhered to the first substrate in a face-
The organic electroluminescent device according to claim 1, wherein the organic electroluminescent device comprises a first substrate, a driving thin film transistor and an organic electroluminescent diode formed on the first substrate, the second substrate facing the first substrate for encapsulation, Encapsulated and bonded together
A manufacturing method of a flat panel display device.
The method according to claim 1,
Wherein the quick access key assembly is disposed at a position corresponding to the integrated circuit chip.
9. The method of claim 8,
Wherein the quick access key assembly includes an adhesive layer on the light guide plate and the quick access key assembly is attached to the second front cover exposed by the insertion hole through the adhesive layer.

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