KR200365765Y1 - Back Light Unit Having an Opening and Closing Function - Google Patents

Abstract

The backlight unit having an opening and closing function is provided in a backlight unit including a predetermined component installed on a lower frame and a lower frame and an upper frame covering the lower frame from an upper portion. It is provided with a rotating or sliding opening and closing means for opening or closing part or the whole thereof.

Description

Back Light Unit Having an Opening and Closing Function

The present invention relates to a backlight unit having an opening / closing function, and more particularly, when the whole or local rework of the inside of the backlight unit is performed, the opening and closing means of opening and closing in a predetermined position of the upper and lower frames in a rotating or sliding manner. It relates to a backlight unit having an opening and closing function to open and close part or the whole by installing a.

In general, a liquid crystal display device converts a change in optical properties such as birefringence, optical deflection, dichroism, and light scattering characteristics of a liquid crystal cell into a visual change, and modulates light modulation by the liquid crystal cell. Used display device.

Since the liquid crystal display is not a device that emits light by itself, a backlight unit is installed on a rear surface of the liquid crystal display panel, and a top chassis is coupled to the upper surface. It is comprised by doing.

In this case, a lamp unit including a lamp for supplying light to the liquid crystal display panel is installed in the mold frame of the backlight unit, and a reflecting plate, a light guide plate, and a plurality of optical sheets (diffusion sheet, prism sheet, protective sheet, etc.) are sequentially stacked. do.

The mold frame as described above is divided into a lower frame on which each component is stacked and an upper frame fixing each component.

Figure 1 shows that the upper frame and the lower frame of the conventional backlight unit is coupled.

Referring to Figure 1, it is divided into a lower frame 150 is formed with an accommodating part 155 is installed to each component as described above, and the upper frame 100 to cover the lower frame 150 from the top .

In addition, the upper and lower frames 100 and 150 are coupled to each other by the fixing means 30 formed on the side thereof.

The fixing means 30 is formed in the upper frame 100, the fixing body 32 having a fixing hole (32a), and the insertion protrusions are formed in the lower frame 150 to be inserted and fixed in the fixing hole (32a) It consists of 31.

The combination is completed through the above configuration, the product is finished assembly.

However, during the product assembly process, foreign matters such as dust are injected onto the plurality of descent sheets to reduce the brightness of the lamp.

At this time, the worker should remove the upper frame 100 to clean each component installed on the housing 155 of the lower frame 150.

Here, even in a state in which foreign substances are evenly introduced on each component, the entire upper frame 100 should be removed from the lower frame 150 as described above even in a state in which foreign substances are locally injected.

Therefore, when reworking the product in the manner described above, there is a problem that the product productivity decreases due to the increase in the work space and the number of working hours as well as the large portion of the work space.

Therefore, the present invention is devised to solve the above problems, the object of the present invention is to remove the upper and lower frames to clean them when foreign matter such as dust is put into the components installed in the backlight unit. It is to provide a backlight unit having an opening and closing function to open and close locally or entirely.

1 is an exploded perspective view showing a conventional backlight unit;

Figure 2 is a partial perspective view showing a first embodiment according to the present invention,

3 is a partial perspective view showing a second embodiment according to the present invention,

4 is a partial perspective view showing a third embodiment according to the present invention.

<Explanation of Signs of Major Parts of Drawings>

110: first upper frame 120: second upper frame

200: rotating means 210: rotating means body

220: rotating fastening member 400: sliding bar

440: sliding hole

A backlight unit having an opening and closing function of the present invention includes a lower frame, a predetermined component installed on the lower frame, and an upper frame covering the lower frame from an upper portion, the predetermined position of the upper frame. It is provided in the opening and closing means for opening and closing a predetermined portion of the upper frame.

Here, the upper frame is divided into a first upper frame and a second upper frame.

And, the opening and closing means is to open and close a part of the upper frame, it is preferable that the rotation means such as a hinge that is rotated to open and close.

In addition, the rotating means is a rotating means body installed to correspond to the both side guide portion of the one end surface of the first upper frame, and a rotating member installed on the second upper frame so as to correspond to the position of the rotating means body to be rotated by being fitted to the rotating means body It is preferable that it consists of.

Here, the rotation means is preferably installed so as to correspond to the center of the both side guide portion of the upper frame.

In addition, the rotation means may be installed so as to correspond to the upper side guide portion.

On the other hand, the sliding means for sliding the opening and closing means such as a sliding rail may be used.

Here, the sliding means includes a sliding hole penetrating inside both ends of the first upper frame and having a predetermined length, and a protruding sliding bar having a predetermined length at both ends of the second upper frame so as to be inserted into the sliding hole for sliding opening and closing. .

When the first and second upper frames are opened and closed by the opening and closing means such as the rotating means and the sliding means, insertion protrusions formed on both side surfaces of the first upper frame and the second upper frame are formed on both sides of the second upper frame. Fixing means including a fixing body formed with a fixing hole so that the projection is inserted may be further formed.

In addition, the opening and closing means may be installed to open and close the lower frame in the same manner as the upper frame, and the upper and lower frames may be opened at the same time to allow cleaning for each component.

Hereinafter, with reference to the accompanying drawings, it will be described a preferred embodiment of the backlight unit having an opening and closing function of the present invention configured as described above.

In addition, the same configuration as described above will be denoted by the same reference numerals and detailed description thereof will be omitted.

Figure 2 shows a first embodiment according to the present invention the rotating means is installed in the portion A of the display shown in FIG.

Referring to FIG. 2, a cylindrical rotation support member 210 is installed at the center of both side guide parts of the first upper frame 110, and rotation support member 210 is formed at the center of both side guide parts of the second upper frame 120. Rotating hook member 220 is installed to be inserted into the rotation.

In this case, the lengths of both side guide parts of the first and second upper frames 110 and 120 are the same.

Therefore, as described above, when foreign matter is locally introduced into the components stacked on the lower frame 150, the cleaning operation may be performed by alternately rotating and opening the first and second upper frames 110 and 150. Can be.

In addition, although not shown in the drawings, the support part is formed at the boundary positions of the first and second upper frames 100 and 120, and the support part is fixed to the lower frame 150, and then the first and second parts are supported on both sides of the support part. The upper frame 110, 120 may be installed respectively to rotate the rotation means 200 as in the first embodiment so as to rotate and open at the same time.

Therefore, as compared with the opening and closing alternately as in the first embodiment, the opening at the same time can reduce the rework time, such as cleaning.

Figure 3 shows a second embodiment according to the present invention the rotating means is installed in the portion B of the display shown in FIG.

Referring to FIG. 3, the first upper frame 110 and the second upper frame 120 are configured as in the first embodiment, but the first upper frame 110 is used as one side guide part of the upper frame 100. It forms and, the remaining portion is composed of a second upper frame (120).

Here, the rotating means 200 is installed in the same manner as the first embodiment, the position is different from the one installed in the first upper frame 110, which is one side guide portion of the upper frame 100.

Therefore, when the second upper frame 120 is opened through the rotation means 200, the front surface of the component installed in the lower frame 150 may be cleaned.

FIG. 4 shows a third embodiment according to the present invention in which a sliding means is installed at a portion A shown in FIG. 1.

Referring to FIG. 4, the first upper frame 110 is formed to penetrate inside both side guide parts to form a sliding hole 440 having a predetermined length, and the second upper frame 120 at both side guide parts includes a sliding hole ( A protruding sliding bar 420 is formed to be inserted into the 440 and to slide.

Therefore, when opening the first and second upper frames 110 and 120 coupled to the upper part of the lower frame 150, the first and second upper frames 110 and 120 may be selectively slid to open the inside thereof. .

In addition, although not shown in the drawing, if you want to open the lower frame 150 at a time as in the second embodiment without selectively opening as described above, the guide on the inner surface or the outer surface of the first upper frame (110) A hole may be formed, and a protrusion may be formed so that a part of the second upper frame 120 is inserted into the guide hole so as to slide.

On the other hand, in the first and second embodiments, the first and second upper frames 110 and 120 are opened on both sides of the first and second upper frames so as to prevent flow in the left and right directions and to increase the tightening force before opening. Fixing means such as 30 may be formed.

Next, although not shown in the drawings, unlike the first, second, and third embodiments, when foreign matters are injected into the components stacked on the bottom of the lower frame 150, the same rotation as the lower frame 150 is performed. The lower frame 120 may be opened by installing opening and closing means such as the means 200 and the sliding means 400.

Therefore, according to the backlight unit having the opening and closing function of the present invention, in the assembled backlight unit, by installing the opening and closing means that can be opened without removing the upper frame or the lower frame, the foreign matter generated on the components installed therein Reworking to remove can enable full or local work.

Therefore, there is an effect that can improve the work productivity by shortening the work time required during rework, shortening the work man-hours, reducing the work space.

Claims (9)

A lower frame; A predetermined component installed on the lower frame; And In the backlight unit comprising an upper frame for covering the lower frame from the top, And a switching unit installed at a predetermined position of the upper frame to open and close a predetermined portion of the upper frame. The method of claim 1, The upper frame is a backlight unit having an opening and closing function, characterized in that divided into a first upper frame and a second upper frame. The method of claim 1, The opening and closing means is a backlight unit having an opening and closing function, characterized in that the opening and closing part of the upper frame, the rotating means is rotated to open and close. The method of claim 3, wherein The rotating means is a backlight unit having an opening and closing function, characterized in that consisting of a rotating means body installed to correspond to the first upper frame both side guide portion, and a rotating member installed on the second upper frame to be rotated by being inserted into the rotating means body. . The method of claim 4, wherein The rotation means is a backlight unit having an opening and closing function, characterized in that installed so as to correspond to the center of the both side guide portion of the upper frame. The method of claim 4, wherein The rotating unit is a backlight unit having an opening and closing function, characterized in that installed so as to correspond to the one side guide portion of the upper frame. The method of claim 1, The opening and closing means is a backlight unit having an opening and closing function, characterized in that the sliding means to be opened and closed by sliding. The method of claim 7, wherein The sliding means has a sliding hole formed to penetrate through a predetermined length inside both side guide portions of the first upper frame, and a protrusion having a predetermined length formed on both side guide portions of the second upper frame and inserted into the sliding hole to slide open and close. Backlight unit having an opening and closing function, characterized in that consisting of a sliding bar. The method of claim 2, When the first and second upper frames are opened and closed by the opening and closing means, insertion protrusions are formed on both sides of the first upper frame, and fixing holes are formed on both sides of the second upper frame to insert and fix the insertion protrusions. Backlight unit having an opening and closing function, characterized in that the fixing means including a fixing body further formed.