KR20190134046A - Display device - Google Patents

Abstract

In a cinema type display device to minimize a screw for fixing a rear surface cover part and to prevent a light leakage phenomenon by an external force of the rear surface cover part, provided is a display device comprising: a liquid crystal panel for selectively outputting a color for each pixel; a backlight unit for emitting light to a rear surface of the liquid crystal panel; a cover bottom for covering a rear surface of the backlight unit; a panel guide including a mounting part on which a circumference of a rear surface of the liquid crystal panel is mounted, and a sidewall part for covering a side surface of the liquid crystal panel and the cover bottom; a rear surface cover part including a back plate covering a rear surface of the cover bottom and a cover hook provided on a circumference of the back plate; and a holder coupled to a circumference of the rear surface of the cover bottom and detachable from the cover hook.

Description

Display device {DISPLAY DEVICE}

The present invention relates to a display device, and in particular, a structure capable of detachably removing a rear cover of a display device without a screw in a cinema-type liquid crystal module (LCM), and a display for minimizing light leakage due to external force during disassembly. Relates to a device.

The display device is a device for visually displaying data, such as a liquid crystal display, an electrophoretic display, an organic light emitting display, and an inorganic luminescent display. , Field Emission Display, Surface-conduction Electron-emitter Display, Plasma Display, and Cathode Ray Display.

Among them, liquid crystal display (LCD) has been in the spotlight in recent years due to mass production technology, ease of driving means, high quality spherical surface, and large area screen.

Such a liquid crystal display device (LCD) is an electronic device that transmits various electrical information generated by various devices to visual information by using a change in liquid crystal transmittance according to an applied voltage. The liquid crystal display device can realize low power driving, thin structure, and excellent image quality, and thus is widely used as an alternative means to overcome the disadvantages of the conventional CRT (Cathode Ray Tube).

Such a liquid crystal display may largely include a liquid crystal panel and a backlight unit. The liquid crystal panel serves to display an image by adjusting the amount of light transmitted, and the backlight unit is used as a dimming device for evenly irradiating light on the entire liquid crystal panel.

The liquid crystal panel and the backlight unit may be assembled together with the case members fixing the liquid crystal panel and the backlight unit to implement a liquid crystal module (LCM). The case member may include a guide panel, a cover bottom, a case top, and the like.

In recent years, the cinema type which makes an external appearance of a guide panel is preferable for the design of the light weight and thinning of a liquid crystal display device by the liquid crystal module (LDM). The cinema type has a structure in which the guide panel forms an appearance without having a case top covering the guide panel.

However, in recent years, various attempts have been made to minimize the screw fixing the rear cover in the cinema type liquid crystal module (LDM) in order to prevent the rear view of the display device from being seen by the screw.

An object of the present invention is to provide a display device that can be removed without a screw in the back cover of the display device in the cinema-type Liquid Crystal Module (LCM).

In addition, an object of the present invention is to provide a display device that prevents light leakage from occurring between the liquid crystal panel and the guide panel by the external force acts on the guide panel in the process of detaching the back cover.

In addition, an object of the present invention is to prevent the gap between the rear cover portion and the cover bottom is exposed to the outside in the state that the rear cover portion is coupled.

In addition, an object of the present invention is to provide a display device which can be easily detached from the rear cover while preventing the gap between the rear cover and the cover bottom from being exposed to the outside while the rear cover is coupled.

In addition, an object of the present invention is to provide a display device that prevents the structure of attaching or detaching the rear cover part from being easily damaged and replaceable the structure of the rear cover part.

In addition, an object of the present invention is to provide a display device that is easily coupled to the structure that attaches and detaches the back cover portion, the external force can be distributed by the back cover portion in the coupled state.

According to an embodiment of the present invention for solving the above problems, a liquid crystal panel for selectively outputting color for each pixel, a backlight unit for emitting light to the rear of the liquid crystal panel, a cover bottom for covering the rear of the backlight unit, A panel guide including a seating part on which a rear circumference of the liquid crystal panel is seated and a side wall part covering a side surface of the liquid crystal panel and the cover bottom, a back plate covering a rear surface of the cover bottom, and a cover provided around the back plate It provides a display device comprising a; back cover portion including a hook, and a holder coupled to the rear circumference of the cover bottom, the cover hook detachable.

In addition, according to another embodiment of the present invention, the panel guide further comprises a side screening film extending from the end of the side wall portion in the rear direction to cover the boundary between the back cover portion and the cover bottom. Provide a device.

Further, according to another embodiment of the present invention, the side screening film provides a display device, characterized in that it comprises an inner chamber (chamfer) at the end.

In addition, according to another embodiment of the present invention, the cover hook includes an extension that is bent in the front direction extending from the periphery of the back plate, and the insertion portion is bent inwardly at the end of the extension portion, the holder Is provided with an inlet portion into which the insertion portion is inserted on an outer surface of the holder opposite the insertion portion.

In addition, according to another embodiment of the present invention, the holder further comprises a holder screw which is fixed to the cover bottom through the holder, the cover bottom protrudes from the rear support holder for supporting one side of the holder It provides a display device characterized in that it further comprises.

In addition, according to another embodiment of the present invention, the holder support portion provides a display device, characterized in that provided with a plurality of spaced apart from one side of the holder.

In addition, according to another embodiment of the present invention, the holder is provided along the rear upper edge of the cover bottom, the holder support provides a display device, characterized in that for supporting the lower side of the holder.

In addition, according to another embodiment of the present invention, the holder further comprises a holder hook on the surface in contact with the rear of the cover bottom, the cover bottom further comprises a hook hole to which the holder hook is detachable Provide a display device.

In addition, according to another embodiment of the present invention, the holder further comprises a holder hook bent in one direction on the surface in contact with the back of the cover bottom, the cover bottom is sliding in the one direction while the holder hook is inserted And a hook hole coupled to each other, and a holder supporter configured to support the side of the holder in one direction and the side opposite to the one direction while the holder is coupled thereto.

In addition, according to another embodiment of the present invention, the holder is provided along the rear side edge of the cover bottom, the holder support provides a display device, characterized in that for supporting the upper side and the lower side of the holder. .

In addition, according to another embodiment of the present invention, the holder provides a display device further comprises a holder screw which is fixed to the cover bottom through the holder.

The effects of the display device according to the present invention will be described below.

According to various embodiments of the present disclosure, the display device may provide a lightweight, thinned structure of the display device through a cinema-type liquid crystal module (LCM).

According to various embodiments of the present disclosure, the back cover portion of the display device may be removed without a screw in the cinema-type liquid crystal module (LCM), thereby preventing light leakage due to external force.

According to various embodiments of the present disclosure, the gap between the rear cover part and the cover bottom is prevented from being exposed to the outside while the rear cover part is coupled, and at the same time, the rear cover part can be easily detached.

According to various embodiments of the present disclosure, the structure for attaching or detaching the rear cover part may be easily removed or replaced.

According to various embodiments of the present disclosure, it is possible to prevent an external force from being concentrated by the rear cover part on the structure that attaches or detaches the rear cover part, thereby preventing the structure that attaches or detaches the rear cover part from being easily damaged.

Further scope of the applicability of the present invention will become apparent from the following detailed description. However, various changes and modifications within the spirit and scope of the present invention can be clearly understood by those skilled in the art, and therefore, specific embodiments, such as the detailed description and the preferred embodiments of the present invention, are given by way of example only. Should be.

1 is a block diagram illustrating a configuration of a display device according to an exemplary embodiment of the present invention.
2 is a schematic cross-sectional view of a display device according to an embodiment of the present invention.
3 is an enlarged cross-sectional view of a portion A of FIG. 2.
4 is a perspective view of the guide panel of FIG. 3 viewed from another direction.
5 is an enlarged cross-sectional view of a portion A of FIG. 2 according to an embodiment of the present invention.
6 is a perspective view of the holder of FIG. 5 viewed from another direction.
7 is a perspective view illustrating a state in which the holder of FIG. 5 is separated.
FIG. 8 is a cross-sectional view of the holder of FIG. 5 as viewed from the direction BB ′ of FIG. 6.
9 is an enlarged cross-sectional view of the A coupling structure of FIG. 2 according to another embodiment of the present invention.
10 is a perspective view of the holder of FIG. 9 viewed from another direction.
FIG. 11 is a cross-sectional view and a partially enlarged view illustrating a DD ′ direction cross section of the holder in FIG. 10.
FIG. 12 is a partially enlarged view of a holder support part supporting the holder in FIG. 10.
FIG. 13 is a rear view illustrating the positions of the holder of FIG. 5 and the holder of FIG. 9.
14 is a view for explaining another embodiment in which the back cover portion of the present invention is coupled.

Hereinafter, embodiments of the present disclosure will be described in detail with reference to the accompanying drawings, and the same or similar components are denoted by the same reference numerals regardless of the reference numerals, and redundant description thereof will be omitted. The suffixes "module" and "unit" for components used in the following description are given or mixed in consideration of ease of specification, and do not have distinct meanings or roles from each other. In addition, in describing the embodiments disclosed herein, when it is determined that the detailed description of the related known technology may obscure the gist of the embodiments disclosed herein, the detailed description thereof will be omitted. In addition, the accompanying drawings are intended to facilitate understanding of the embodiments disclosed herein, but are not limited to the technical spirit disclosed herein by the accompanying drawings, all changes included in the spirit and scope of the present invention. It should be understood to include equivalents and substitutes.

The display device according to the embodiment of the present invention is, for example, an intelligent display device in which a computer support function is added to a broadcast reception function. A more convenient interface such as a space remote controller can be provided. In addition, it is connected to the Internet and a computer with the support of a wired or wireless Internet function, and can perform functions such as e-mail, web browsing, banking, or gaming. Standardized general-purpose operating systems can be used for these various functions.

Accordingly, the display device described in the present invention can be freely added or deleted, for example, on a general-purpose OS kernel, so that various user-friendly functions can be performed. More specifically, the display device may be, for example, a network TV, an HBBTV, a smart TV, an LED TV, an OLED TV, or the like, and may be applicable to a smartphone in some cases.

1 is a block diagram illustrating a configuration of a display device 100 according to an exemplary embodiment.

Referring to FIG. 1, the display device 100 includes a broadcast receiving module 130, an external device interface 135, a memory 140, a user input interface 150, a controller 170, a wireless communication module 173, The display module 180, the audio output module 185, and the power supply module 190 may be included.

The broadcast receiving module 130 may include a tuner 131, a demodulator 132, and a network interface 133.

The tuner 131 may tune a specific broadcast channel according to the channel tuning sequence. The tuner 131 may receive a broadcast signal for a tuned specific broadcast channel.

The demodulator 132 may separate the received broadcast signal into a video signal, an audio signal, and a data signal associated with a broadcast program, and may restore the separated video signal, the audio signal, and the data signal into a form capable of outputting the broadcast signal.

The external device interface 135 may receive an application or a list of applications in a neighboring external device and transmit the received application to the controller 170 floating memory 140.

The external device interface 135 may provide a connection path between the display device 100 and the external device. The external device interface 135 may receive one or more of an image and an audio output from an external device connected to the display device 100 by wireless or wired, and transmit it to the controller 170. The external device interface 135 may include a plurality of external input terminals. The plurality of external input terminals may include an RGB terminal, one or more High Definition Multimedia Interface (HDMI) terminals, and a component terminal.

The image signal of the external device input through the external device interface 135 may be output through the display module 180. The voice signal of the external device input through the external device interface 135 may be output through the audio output module 185.

The external device connectable to the external device interface 135 may be any one of a set top box, a Blu-ray player, a DVD player, a game machine, a sound bar, a smartphone, a PC, a USB memory, a home theater, but this is merely an example.

The network interface 133 may provide an interface for connecting the display device 100 to a wired / wireless network including an internet network. The network interface 133 may transmit or receive data with another user or another electronic device through the connected network or another network linked to the connected network.

In addition, some content data stored in the display device 100 may be transmitted to a user selected from another user or another electronic device registered in advance in the display device 100 or the selected electronic device.

The network interface 133 may access a predetermined web page through the connected network or another network linked to the connected network. That is, by accessing a predetermined web page through the network, it is possible to send or receive data with the server.

In addition, the network interface 133 may receive content or data provided by a content provider or a network operator. That is, the network interface 133 may receive content such as a movie, an advertisement, a game, a VOD, a broadcast signal, and related information provided from a content provider or a network provider through a network.

In addition, the network interface 133 may receive the update information and the update file of the firmware provided by the network operator, and may transmit data to the Internet or the content provider or the network operator.

The network interface 133 may select and receive a desired application from among applications open to the public through the network.

The mevory 140 may store a program for processing and controlling each signal in the controller 170, and may store a signal-processed video, audio, or data signal.

In addition, the memory 140 may perform a function for temporarily storing an image, audio, or data signal input from the external device interface 135 or the network interface 133. Information can be stored.

The memory 140 may store an application or an application list input from the external device interface 135 or the network interface 133.

The display device 100 may reproduce and provide a content file (video file, still image file, music file, document file, application file, etc.) stored in the memory 140 to the user.

The user input interface 150 may transmit a signal input by the user to the controller 170 or may transmit a signal from the controller 170 to the user. For example, the user input interface 150 may be configured according to various communication methods such as Bluetooth, Ultra-Wideband, ZigBee, Radio Frequency (RF), or Infrared (IR) communication. The controller may receive and process a control signal such as power on / off, channel selection, screen setting, etc. from the remote controller 400, or transmit a control signal from the controller 170 to the remote controller 400.

In addition, the user input interface 150 may transmit a control signal input from a local key (not shown) such as a power key, a channel key, a volume key, and a setting key to the controller 170.

The image signal processed by the controller 170 may be input to the display module 180 and displayed as an image corresponding to the image signal. In addition, the image signal processed by the controller 170 may be input to the external output device through the external device interface 135.

The voice signal processed by the controller 170 may be audio output to the audio output module 185. In addition, the voice signal processed by the controller 170 may be input to the external output device through the external device interface 135.

In addition, the controller 170 may control overall operations of the display device 100.

In addition, the controller 170 may control the display device 100 by a user command or an internal program input through the user input interface 150, and access the network to display an application or a list of applications desired by the user. 100) can be downloaded into.

The controller 170 enables the channel information selected by the user to be output through the display module 180 or the audio output module 185 together with the processed video or audio signal.

In addition, the controller 170 may output an image signal from an external device, for example, a camera or a camcorder, input through the external device interface 135 according to an external device image playback command received through the user input interface 150. Alternatively, the voice signal may be output through the display module 180 or the audio output module 185.

The controller 170 may control the display module 180 to display an image, for example, a broadcast image input through the tuner 131 or an external input image input through the external device interface 135. Or, an image input through the network interface 133 or an image stored in the memory 140 may be displayed on the display module 180. In this case, the image displayed on the display module 180 may be a still image or a video, and may be a 2D image or a 3D image.

In addition, the controller 170 may control the content stored in the display device 100, the received broadcast content, or the external input content input from the outside to be played, and the broadcast image, the external input image, the audio file, It may take various forms such as a still image, a connected web screen, and a wireless file.

The wireless communication module 173 may communicate with an external device through wireless communication. The wireless communication module 173 may perform short range communication with an external device. To this end, the wireless communication module 173 may include Bluetooth ™, Radio Frequency Identification (RFID), Infrared Data Association (IrDA), Ultra-Wideband (UWB), ZigBee, Near Field Communication (NFC), Wi A short-range communication may be supported using at least one of Wi-Fidelity (Fi), Wi-Fi Direct, and Wireless Universal Serial Bus (Wireless USB) technologies. Such a wireless communication module 173 is provided between the display device 100 and a wireless communication system, between the display device 100 and another display device 100, or through the display area 100 through a wireless area network. And wireless communication between the network in which the display device 100 or the external server is located. The local area network may be local area network (Wireless Personal Area Networks).

Here, the other display device 100 is a wearable device capable of exchanging (or interworking) data with the display device 100 according to the present invention (eg, smartwatch, smart glass). (smart glass), head mounted display (HMD), and a mobile terminal such as a smart phone. The wireless communication module 173 may sense (or recognize) a communicable wearable device around the display device 100. Further, when the detected wearable device is a device that is authenticated to communicate with the display device 100 according to the present invention, the controller 170 may transmit at least a part of data processed by the display device 100 to the wireless communication module 173. It can be transmitted to the wearable device through. Therefore, a user of the wearable device may use data processed by the display device 100 through the wearable device.

The display module 180 converts an image signal, a data signal, an OSD signal processed by the controller 170, or an image signal, data signal, etc. received from the external device interface 135 into R, G, and B signals, respectively. Can be generated.

Meanwhile, since the display device 100 illustrated in FIG. 1 is only an embodiment of the present disclosure, some of the illustrated components may be integrated, added, or omitted depending on the use of the display device 100 that is actually implemented. have.

That is, two or more components may be combined into one component as needed, or one component may be divided into two or more components. In addition, the function performed in each block is for explaining an embodiment of the present invention, the specific operation or device does not limit the scope of the present invention.

According to another embodiment of the present invention, unlike the display device 100 shown in FIG. 1, the display device 100 does not include the tuner 131 and the demodulator 132, and the network interface 133 or the external device interface 135. You can also receive and play back images.

For example, the display device 100 may be divided into an image processing apparatus such as a set-top box, etc., for receiving broadcast signals or contents according to various network services, and a content reproduction apparatus for reproducing contents input from the image processing apparatus. Can be implemented.

In this case, the operation method of the display device according to an embodiment of the present invention described below is not only the display device 100 as described with reference to FIG. 1, but also an image processing apparatus or a display module such as the separated set-top box ( 180 may be performed by any one of the content reproducing apparatus having the audio output module 185.

The above detailed description should not be construed as limiting in all respects but should be considered as illustrative. The scope of the present invention should be determined by reasonable interpretation of the appended claims, and all changes within the equivalent scope of the present invention are included in the scope of the present invention.

2 is a schematic cross-sectional view of a display device 100 according to an embodiment of the present invention.

2, the display device 100 includes a liquid crystal panel 210, a bonding member 220, a panel guide 230, a backlight unit 240, a cover bottom 250, and a rear cover part 260. do.

The liquid crystal panel 210 includes a color filter array substrate 212 and a TFT array substrate 214 and a liquid crystal layer (not shown) interposed therebetween. In addition, the liquid crystal panel 210 includes a front polarizing member 211 attached to the front surface of the color filter array substrate 212 and the rear surface of the TFT array substrate 214 so that light passing through the liquid crystal panel 210 is cross polarized, and It further includes a rear polarizing member 215.

The liquid crystal panel 210 is arranged in a matrix form of liquid crystal pixels forming a pixel unit, and forms an image by selectively adjusting the light transmittance of the liquid crystal pixels according to image signal information transmitted through a driver driving circuit (not shown). Done.

The color filter array substrate 212 includes a color filter and a common electrode in which red (R), green (G), and blue (B) pixels are repeatedly formed around the black matrix 213. The common electrode is made of a transparent conductive material such as indium tin oxide (ITO) or indium zinc oxide (IZO).

The black matrix 213 may be provided without a pixel around the active area for forming an image in the liquid crystal panel 210 to form a bezel area of the liquid crystal panel 210.

2 shows only the black matrix 213 forming the bezel region. However, since the black matrix 213 forms a boundary of pixels, the black matrix 213 is not limited to the bezel area.

In the TFT array substrate 214, a plurality of gate lines and a plurality of data lines are formed in a matrix form, and a thin film transistor (TFT) is formed at the intersection of the gate line and the data line.

The signal voltage transmitted from the driver driving circuit is applied between the pixel electrode and the common electrode of the color filter array substrate 212 through a thin film transistor (TFT) so that the liquid crystal between the pixel electrode and the common electrode is aligned according to the signal voltage. The light transmittance is determined.

The liquid crystal panel 210 may be fixed to the panel guide 230 by a bonding member 220 provided along the rear circumference.

The bonding member 220 may be provided around a rear surface corresponding to the bezel area of the liquid crystal panel 210.

In detail, the panel guide 230 may include a seating portion 231 on which a rear circumference of the liquid crystal panel 210 is seated, and a sidewall portion 232 covering the side surface of the liquid crystal panel 210.

The panel guide 230 may surround the side surface of the liquid crystal panel 210 while fixing the liquid crystal panel 210 to form an appearance of the display device 100.

The structure is a cinema type liquid crystal module (LDM), the display device 100 surrounds the panel guide 230, the case top (Case Top) covering the gap between the panel guide 230 and the liquid crystal panel 210 from the front It may not be provided.

The cinema type liquid crystal module (LDM) may have a light leakage problem in that the gap between the panel guide 230 and the liquid crystal panel 210 is exposed on the front surface, which is combined with the structure of the rear cover part 260. see.

The backlight unit 240 may include a light source plate 242 that generates light and a light guide plate 241 that provides light generated by the light source unit 242 to the front surface of the liquid crystal panel 210.

In addition, the light guide plate 241 is laminated on the front surface of the light guide plate 241 and a reflection sheet (not shown) which is attached to the rear surface of the light guide plate 241 and reflects the light emitted backward to improve the efficiency of the light. It may include a plurality of optical sheets (not shown) to scatter the light emitted.

The plurality of optical sheets may include a diffusion sheet for diffusing light incident from the light guide plate 241 and a prism sheet for condensing.

As the material of the light guide plate 241, a high polymethycrycry late (PMMA) having high strength and not easily deformed or broken and having a high transmittance may be used.

In addition, the light guide plate 241 may have a wedge having a lower surface inclined and a flat upper surface, or a plate type in which both the lower surface and the upper surface are parallel to each other.

Here, the light source unit 242 may be any one of a cold cathode fluorescent lamp (CCFL), an external electrode fluorescent lamp (EEEL), and a light emitting diode (LED) device. For example, the case of applying a light emitting diode device (LED device).

The LED element (light source unit) 242 is a side viewing type element and emits light toward one side of the light guide plate from one side of the light guide plate 241.

The cover bottom 250 covers the rear surface of the backlight unit 240 and may be fixed to the panel guide 230. 2 illustrates a cover box 250 having a rectangular box shape with an open top, and may include components of the backlight unit 240.

In this case, the panel guide 230 may surround the cover bottom 250 and fix the cover bottom 250 along the side of the cover bottom 250.

The rear cover part 260 covers the rear surface of the cover bottom 250, and accommodates an electronic device (not shown) provided in the display device 100 between the cover bottom 250 and the rear cover part 260. It can form a space.

The back cover part 260 may be formed to a thin thickness using an electro galvanized steel (EGI).

The rear cover part 260 prevents the rear appearance of the display device 100 from becoming messy, and without a screw (or a screw) fixed through the rear cover part 260 so as to easily attach and detach the rear cover part 260. Can be fixed).

Hereinafter, the method and structure of coupling the rear cover part 260 without a screw (or by minimizing the screw) will be described.

3 is an enlarged cross-sectional view of part A of FIG. 2, and FIG. 4 is a perspective view of the guide panel 230 of FIG. 3 viewed from another direction.

The rear cover part 260 may include a back plate 262 covering the rear surface of the cover bottom 250 and a cover hook 261 provided around the back plate 262.

The cover hook 261 may include an extension part 2612 that is bent and extends in the front direction around the back plate 262 and an insertion part 2611 that is bent inward from an end of the extension part 2612.

The rear cover portion 260 is fixed to the latch (233) provided in the panel guide 230, the insertion portion 2611, detachable to the panel guide 230 by the elasticity of the rear cover portion 260 itself Can be.

In detail, the latch 233 may be provided at the rear edge of the display device 100 (see FIG. 2) along the sidewall portion 232 of the panel guide 230.

However, the method and structure of coupling the back cover part 260 to the panel guide 230 as shown in FIGS. 3 and 4 may cause light leakage in the display device in which the guide panel 230 is externalized.

In detail, in the display device having the external appearance of the guide panel 230, a gap Gap is exposed to the front side between the sidewall portion 262 of the guide panel 230 and the side surface of the liquid crystal panel 210.

In this case, as the external force acts on the guide panel 230 in the process of attaching and detaching the rear cover part 260, a gap is opened or the bonding member 220 and the guide panel 230 or the bonding member 220 are formed. And the adhesive portion between the liquid crystal panel 210 may fall.

In addition, the rear cover part 260 may provide an external force in the inward direction to the rear end of the guide panel 230 while being coupled to the guide panel 230, thereby providing a force of opening a gap of the front surface.

That is, when the latch 233 is fixed to the rear cover portion 260 at the rear end of the guide panel 230, the external force by the rear cover portion 260 itself and the rear cover portion 260 is detachable. Light leaks into the gap may occur due to external force in the process.

In addition, when the latch 233 protrudes outward from the side wall portion 232 of the guide panel 230 in the outward direction, the latch 233 may be easily broken, and the guide panel 230 may be broken when the latch 233 portion is broken. Problems may arise that require replacement.

Accordingly, the structure of detaching the rear cover part 260 without the screw (or by minimizing the screw) to the cover bottom 250 according to the present invention will be described.

5 is an enlarged cross-sectional view of a portion A of FIG. 2 according to an embodiment of the present invention.

The display device according to the present invention includes a liquid crystal panel 210 for selectively outputting colors for each pixel, a backlight unit 240 for emitting light to the rear surface of the liquid crystal panel 210, and a rear surface of the backlight unit 240. The panel guide 230 includes a cover bottom 250, a seating portion 231 on which a rear circumference of the liquid crystal panel 210 is seated, and a liquid crystal panel 210 and sidewalls 232 covering side surfaces of the cover bottom. , A rear cover part 260 including a back plate 262 covering the rear surface of the cover bottom 250 and a cover hook 261 provided around the back plate 262, and a rear circumference of the cover bottom 250. It may be coupled to the cover hook 261 may include a holder 270 detachable.

The rear cover part 260 may be attached to or detached from the holder 270 through its tension. At this time, the holder 270 is provided around the rear of the cover bottom 250, it is possible to prevent the external force generated in the process of detaching the back cover portion 260 acting on the panel guide 230.

Looking at the structure in which the back cover portion 260 is detachably attached to the holder 270 through the tension (tension), the cover hook 261 of the back cover portion 260 is the front direction around the back plate 262 It may include an extension portion 2612 that is bent to extend and the insertion portion 2611 that is bent in the inner direction at the end of the extension portion. In this case, the holder 270 may include an inlet portion 271 in which the insertion portion 2611 is inserted into the outer surface of the holder 270 opposite to the insertion portion 2611. The present invention can prevent the holder 270 is exposed to the outside through the structure as described above.

In a state in which the rear cover part 260 is coupled to the cover bottom 250 through the holder 270, a gap between the rear cover part 260 and the cover bottom 250 may be exposed to the outside.

Accordingly, the panel guide 230 of the present invention further extends from the end of the side wall portion 232 to the rear direction, and further includes a side screen 234 covering the boundary between the rear cover portion 260 and the cover bottom 250. can do.

The side screen 234 may protrude in the rear direction at a height corresponding to h1 based on a plane including the rear surface of the cover bottom 250 to cover the boundary between the rear cover part 260 and the cover bottom 250. have.

The side screen 234 may include an inner chamfer 2341 at an end thereof to provide a space where a user can enter a hand to separate the rear cover 260.

When the holder 270 provided in the present invention has a structure in which the holder 270 is attached to or detached from the cover bottom 250, the user may easily replace only the holder 270.

The holder 270 of FIG. 5 looks at the coupling structure through FIGS. 6 to 8 as a structure that is fixed to the cover bottom 250 through the holder screw 280 according to an embodiment of the present invention.

6 is a perspective view of the holder 270 of FIG. 5 viewed in another direction, and FIG. 7 is a view illustrating a state in which the holder 270 of FIG. 5 is separated, and FIG. 8 is a view of the holder 270 of FIG. It is sectional drawing which looked at the cross section seen from the B-B 'direction of 6.

The holder 270 according to an embodiment of the present invention further includes a holder screw 280 penetrating the holder 270 and fixed to the cover bottom 250, and the cover bottom 250 protrudes from a rear surface thereof so that the holder ( It may further include a holder support 251 for supporting one side of the 270.

The holder support part 251 may prevent the holder 270 from rotating along the C direction even though the holder 270 is fixed with a single holder screw 280. In some cases, the holder support part 251 is spaced apart from one side of the holder 270 as shown in FIG. 6. It may be provided with a plurality.

The structure of fixing the holder 270 to the cover bottom 250 through the holder screw 280 has an advantage that the holder 270 and the cover bottom 250 can be strongly coupled.

Therefore, the holder 270 according to the exemplary embodiment of the present invention illustrated in FIG. 5 may be preferably provided along the rear upper edge of the cover bottom 250. (See holder 270a in FIG. 13))

In this case, the holder support part 251 may protrude from the rear surface of the cover bottom 250 to support the lower side of the holder 270.

That is, the holder support part 251 supports the lower side of the holder provided along the upper upper edge of the cover bottom 250 while preventing the holder 270 coupled through the holder screw 280 from holding the holder screw 280. ) To prevent the weight of the rear cover portion 260 (see FIG. 5) from being drawn.

As shown in FIGS. 7 and 8, the holder 270 fixed by the holder screw 280 further includes a holder hook 272 on a surface of the cover bottom 250 that contacts the rear surface of the cover bottom 250. ) May further include a hook hole 252 to which the holder hook 272 is attached and detached.

Holder hook 272 is also a structure for dispersing the weight of the rear cover 260, it can prevent the holder 270 is damaged.

The holder 270 of FIG. 9 is an enlarged cross-sectional view of part A of FIG. 2 according to another embodiment of the present invention.

9 and FIG. 9 illustrates a holder 270 according to another embodiment of the present invention. Unlike the holder 270 of FIG. 5, the holder 270 of FIG. 9 may be attached or detached to the cover bottom 250 without the holder screw 280.

The holder 270 of FIG. 9 has a structure fixed to the cover bottom 250 by slidingly coupling the holder hook 272 (see FIG. 10) to the hook hole 252 (see FIG. 10) according to another embodiment of the present invention. 10 to 11 specifically look at the binding structure.

FIG. 10 is a perspective view of the holder 270 of FIG. 9 viewed from another direction, FIG. 11 is a view illustrating a state in which the holder 270 of FIG. 9 is separated, and FIG. 12 is a view of the holder 270 of FIG. It is sectional drawing which shows the cross section seen from the D-D 'direction of 10. FIG.

Holder 270 according to another embodiment of the present invention further includes a holder hook 272 bent in one direction (E) on the surface in contact with the back of the cover bottom 250, the cover bottom 250 is a holder hook ( The hook hole 252 and the holder 270 coupled to the hook hole 252 and the holder 270 coupled to each other while the 272 is inserted, the side surface 2701 and the one direction E of the holder 270 in one direction (E). It may further include a holder support 251 for supporting the side (2702) opposite)

Holder 270 according to another embodiment of the present invention is the holder hook 272 of the cover bottom 250 in a manner that is fixed by both holder support portion 251 in a coupled state coupled to the holder hole 252 Can be fixed to the back.

Holder 270 according to another embodiment of the present invention may be an advantage in that it can be easily coupled in a sliding manner, the fixing force fixed to the rear of the cover bottom 250 may be weak.

Therefore, the holder 270 according to another embodiment of the present invention may be preferably provided along the rear side edge of the cover bottom 250. This is to prevent the load of the rear cover portion 260 directly on the holder 270. (See holder 270b in FIG. 13)

In this case, the holder support 251 may support the upper side and the lower side of the holder 250.

That is, the holder 270 according to another embodiment of the present invention obtains a holder hook 272 that is bent in an upward or downward direction, and the holder 270 is slid in an upward or downward direction to be coupled to the holder hole 252. It may be fixed by the holder support 251 for supporting the upper side and the lower side.

The holder support part 251 supporting the lower side surface may distribute an external force acting on the holder hook 272 of the holder 270 to prevent the holder 270 from being easily damaged.

However, in some cases, the holder 270 according to another embodiment of the present invention may further include a holder screw 280 that is fixed to the cover bottom 250 through the holder 270.

FIG. 13 is a rear view illustrating the positions of the holder 270a according to FIG. 5 and the holder 270b according to FIG. 9.

The holder 270a according to FIG. 5 may be provided at the upper rear corner of the cover bottom 250, and the holder 270b according to FIG. 9 may be provided along the rear side edge of the cover bottom 250.

Since the holder 270b according to FIG. 9 is provided along the rear side edge to withstand the load of the rear cover 260, the holder 270b may be provided longer than the holder 270a of FIG. 5 along the edge.

The rear cover part 260 may be fixed to the cover bottom 250 (see FIG. 5 or FIG. 9) by a screw 290 in addition to the holders 270a and 270b.

The rear cover part 260 according to the present invention discloses an embodiment in which the holder 270a and 270b are attached to or detached from the cover bottom 250 by a tension. The rear cover part 260 may be bent irreversibly.

Therefore, a structure may be considered in which the rear cover part 260 is coupled to the cover bottom 250 in a sliding manner instead of its own tension.

14 is a view for explaining another embodiment in which the back cover portion 260 of the present invention is coupled.

The holder 270b provided along the rear side edge of the cover bottom 250 may have an inlet 271 (see FIG. 10) in a rail shape in an outward direction.

Accordingly, the rear cover part 260 may be attached to and detached from the cover bottom 250 by moving in the vertical direction F while the insertion part 2611 (see FIG. 9) is inserted into the inlet part 271.

It is apparent to those skilled in the art that the present invention can be embodied in other specific forms without departing from the spirit and essential features of the present invention.

The above detailed description should not be construed as limiting in all respects but should be considered as illustrative. The scope of the present invention should be determined by reasonable interpretation of the appended claims, and all changes within the equivalent scope of the present invention are included in the scope of the present invention.

100: display device 210: liquid crystal panel
211: front polarizing member 212: color filter array substrate
213: black matrix 214: TFT array substrate
215: rear polarizing member 220: bonding member
230: Panel guide 231: Seating portion
232: side wall portion 233: latch
234: side screening film 2341: chamfer
240: backlight unit 241: light guide plate
242: light source 250: cover bottom
251: holder support 252: hook hole
260: rear cover 261: cover hook
2611: insertion part 2612: extension part
262: backplate 270, 270a, 270b: holder
2701: side in one direction 2702: side in one direction
271 inlet 272: holder hook
280: holder screw 290: screw

Claims (11)

A liquid crystal panel for selectively outputting color for each pixel;
A backlight unit emitting light to the rear surface of the liquid crystal panel;
A cover bottom covering a rear surface of the backlight unit;
A panel guide including a seating portion on which a rear circumference of the liquid crystal panel is seated, and sidewall portions covering side surfaces of the liquid crystal panel and the cover bottom;
A rear cover part including a back plate covering a rear surface of the cover bottom and a cover hook provided around the back plate; And,
And a holder coupled to a rear circumference of the cover bottom and detachable from the cover hook.
The method of claim 1,
The panel guide
And a side shielding film extending from an end portion of the side wall portion in a rear direction to cover a boundary between the rear cover portion and the cover bottom.
The method of claim 2,
The side screen is
And an inner chamfer at the end.
The method of claim 1,
The cover hook is
An extension part that is bent and extended in the front direction around the back plate; And,
Includes; the insertion portion is bent inwardly at the end of the extension portion,
The holder is
And a retracting portion into which the insertion portion is inserted on the outer surface of the holder opposite the insertion portion.
The method of claim 1,
The holder is
Further comprising a holder screw penetrating the holder and fixed to the cover bottom,
The cover bottom
And a holder support portion protruding from a rear surface to support one side of the holder.
The method of claim 5,
The holder support
And a plurality of display devices spaced apart from one side of the holder.
The method of claim 5,
The holder is
It is provided along the rear upper edge of the cover bottom,
The holder support
And a lower side of the holder.
The method of claim 5,
The holder is
Further comprising a holder hook on a surface in contact with the rear of the cover bottom,
The cover bottom
And a hook hole to which the holder hook is attached and detached.
The method of claim 1,
The holder is
Further comprising a holder hook bent in one direction on a surface in contact with the rear of the cover bottom,
The cover bottom
A hook hole coupled to the holder hook by sliding in one direction while being inserted; And,
And a holder supporter configured to support the side of the holder in the one direction and the side opposite to the one direction while the holder is coupled to the holder.
The method of claim 9,
The holder is
It is provided along the rear side edge of the cover bottom,
The holder support
And a top side and a bottom side of the holder.
The method of claim 9,
The holder is
And a holder screw penetrating the holder and fixed to the cover bottom.

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