TWI381213B - Liquid crystal module and method for assembling liquid crystal module - Google Patents

Description

Liquid crystal module and method for assembling the same

The invention relates to a liquid crystal module and a method for assembling the liquid crystal module, in particular to a liquid crystal module of a tear-free polarizer protective film and a method for assembling the same.

With the advancement of optical technology and semiconductor technology, liquid crystal display devices have been widely used in electronic product display devices. Due to its high image quality, small size, light weight, low voltage drive, low power consumption and wide application range, LCD monitors are widely used in portable TVs, mobile phones, video recorders, notebook computers, and desks. Consumer electronics or computer products such as display monitors and projection TVs have replaced cathode ray tubes (CRTs) as the mainstream of displays.

At present, the liquid crystal display is mainly a thin film transistor (TFT) liquid crystal display, and the general thin film transistor liquid crystal display can be roughly divided into a thin film transistor array (TFT Array) process, a color filter (Color Filter) Process, liquid crystal display unit assembly (LC Cell Assembly) process, liquid crystal display module (Liquid Crystal Module; LCM) process.

In the assembly process of the conventional liquid crystal display module, the backlight module, the display panel, and the polarizer are first assembled together, and then the assembly process of the panel frame (iron frame) is performed. Before performing the assembly process of the panel frame (iron frame), the protective film on the polarizer must be removed first, and then the backlight module, the display panel and the polarizer are The assembly is assembled into the panel frame. Next, in order to avoid damage to the polarizer on the display panel during transportation or other tests, a hard protective film must be added to the polarizer. The assembly process of the conventional liquid crystal display module has the following disadvantages: 1. When the panel frame (iron frame) is assembled, the polarizer is protected from the protective film and is easily scratched; 2. The action of tearing off the protective film The use of tape, machine and manpower should increase the production cost; 3. Add a layer of hard protective film to increase the production cost again; 4. The bad action or abnormality of tearing off the protective film will cause the machine to crash.

Therefore, the present invention provides a liquid crystal module and a method for assembling the liquid crystal module, so that the assembly process of the panel frame (iron frame) can be performed without first tearing off the protective film, and the polarizer is completely protected, and Avoid the increase of manpower and material resources.

According to an embodiment of the invention, a liquid crystal module of the invention comprises: a display panel, a polarizer, a protective film and a panel frame. The polarizer is disposed on the display panel, and the protective film is disposed on one surface of the polarizer. The panel frame is configured to receive the display panel, wherein the panel frame comprises an elastic shading element, and the elastic shading element is disposed corresponding to the periphery of the protective film, and one of the upper surface portions of the elastic shading element is fixed to an inner surface of the panel frame, and the panel frame is An inner side is aligned to one side of the polarizer. The elastic shading member is made of, for example, black rubber.

According to still another embodiment of the present invention, the lower surface of the elastic shading member is lower than The upper surface of the polarizer.

According to still another embodiment of the present invention, the lower surface of the elastic shading member is in close fitting with the protective film.

According to still another embodiment of the present invention, the liquid crystal module further includes: a pulling component, one end of which is attached to a corner of the protective film, and the other end of which is a free end.

According to an embodiment of the present invention, in the method for assembling a liquid crystal module of the present invention, a display panel is first provided, wherein the display panel is provided with a polarizer, and a surface of one of the polarizers is provided with a protective film. Next, one end of a pulling element is attached to a corner of the protective film, wherein the other end of the pulling element is a free end. Then, a panel frame is provided, the panel frame includes an elastic shading element, and the elastic shading element is disposed corresponding to the periphery of the protective film, and an upper surface portion of the elastic shading element is fixed to an inner surface of the panel frame, wherein one of the inner sides of the panel frame Substantially aligned to one side of the polarizer. Next, the display panel and the pulling member are placed in the panel frame. Next, the free end of the pulling element is pulled to disengage the protective film from the polarizer.

By applying the above-mentioned liquid crystal module and the method for assembling the liquid crystal module, it is not necessary to remove the protective film before the assembly process of the panel frame (iron frame), thereby providing complete protection of the polarizer and saving the tear-off protective film The production cost of the tape/machine/manpower used, and avoiding the machine crash caused by the malfunction or abnormality of tearing off the protective film.

1A to 1D, FIG. 1A to FIG. 1C are schematic diagrams showing a combination of liquid crystal modules according to an embodiment of the present invention; FIG. 1D is a plan view showing a liquid crystal module according to an embodiment of the present invention; schematic diagram. As shown in FIG. 1A, in the liquid crystal module of the present embodiment, the backlight module 20, the polarizer 30, the display panel 40, and the polarizer 50 are sequentially combined in the frame 10, wherein the display panel 40 includes The thin film transistor substrate 42 and the color filter substrate 44. The polarizer 50 is disposed on the display panel 40, and the upper surface of the polarizer 50 is covered with a protective film 60 for protecting the upper surface of the polarizer 50 from damage to the upper surface of the polarizer 50.

As shown in FIGS. 1B and 1D, a pulling member 80 is attached to a corner (not shown) of the protective film 60, wherein one end 82 of the pulling member 80 is attached to the protective film 60, and the other end 84 is Free end. The pulling member 80 can be, for example, a strip of tape, but this embodiment is not limited thereto.

As shown in FIG. 1C and FIG. 1D, the panel frame (iron frame) 70 includes an elastic shading member 90, and the elastic shading member 90 is disposed corresponding to the periphery of the protective film 60, and one of the upper surface portions 94 of the elastic shading member 90 is fixed to One of the inner surfaces 74 of the panel frame 70. The elastic shading member 90 is made of, for example, black rubber for generating cushioning and shading. The panel frame (iron frame) 70 is for accommodating the frame 10 and the display panel 40 and the pulling member 80 in the frame 10, wherein the inner side surface 72 of the panel frame 70 is substantially aligned to the side 54 of the polarizer 50 to avoid interference. The subsequent action of tearing down the protective film 60. It should be noted that the coverage of the protective film 80 covering the polarizer 60 by the elastic shading member 90 is equivalent to the conventional iron frame covering position.

Please refer to FIG. 2A to FIG. 2C for illustrating the implementation of the present invention. A schematic diagram of a method for assembling a liquid crystal module. As shown in FIG. 2A, the height of the lower surface 92 of the elastic shading member 90 is lower than the height of the upper surface 52 of the polarizer 50, and the lower surface 92 of the elastic shading member 90 is closely fitted with the protective film 60, and the elastic shading member 90 It must have a snagging property to ensure that the protective film 60 is not deformed after being pulled, and can still be closely matched with the polarizer 50 and the panel frame 70. Please refer to FIG. 3, which is a flow chart showing the assembly of the liquid crystal module according to the embodiment of the present invention. In the method for assembling a liquid crystal module of the present invention, the display panel 40, the polarizer 50, and the protective film 60 are first provided, as in step S100. Next, one end of the pulling member 80 is pasted on one corner of the protective film 60, wherein the other end of the pulling member 80 is a free end, as by step S200. Then, a panel frame 70 is provided. The panel frame 70 includes an elastic shading member 90. The elastic shading member 90 is disposed corresponding to the periphery of the protective film 80. In step S300, one of the upper surfaces 94 of the elastic shading member 90 is partially fixed to the panel frame 70. An inner surface 74, wherein one of the inner side surfaces 72 of the panel frame 70 is substantially aligned to one side 54 of the polarizer 50. Next, the display panel 40 and the pulling member 80 are placed in the panel frame 70 as by step S400. Next, the free end of the pulling member 80 is pulled to disengage the protective film 60 from the polarizer 50, as by step S500. As shown in FIG. 2B, when the free end of the pulling member 80 is pulled, the protective film 60 is brought up and the elastic shading member 90 is bent. At this time, since the inner side of the panel frame 70 is substantially aligned to the polarizer 50. The side surface and the elastic shading element 90 have a flexible property, so that the protective film 60 and the polarizing film 50 can be smoothly separated without being stuck to the panel frame 70. As shown in Fig. 2C, after the protective film 60 is separated from the polarizer 50, the elastic light-shielding member 90 rebounds to its original position.

In summary, in this embodiment, the panel can be performed without first tearing off the protective film. The assembly step of the frame (iron frame) can provide complete protection of the polarizer; save the production cost of the tape/machine/manpower used for tearing off the protective film; and avoid the malfunction or abnormality caused by tearing off the protective film The machine was down.

While the present invention has been described above by way of a preferred embodiment, it is not intended to limit the invention, and the present invention may be modified and modified without departing from the spirit and scope of the invention. The scope of protection is subject to the definition of the scope of the patent application.

10‧‧‧Frame

20‧‧‧Backlight module

30‧‧‧ polarizer

40‧‧‧ display panel

42‧‧‧Thin film transistor substrate

44‧‧‧Color filter substrate

50‧‧‧ polarizer

52‧‧‧ upper surface

54‧‧‧ side

60‧‧‧Protective film

70‧‧‧panel

72‧‧‧ inside side

74‧‧‧ inner surface

80‧‧‧ Pulling components

82, 84‧‧‧

90‧‧‧Elastic shading elements

92‧‧‧ lower surface

94‧‧‧ upper surface

S100‧‧‧Display panel, polarizer and protective film

S200‧‧‧Put one end of the pulling element on one corner of the protective film and the other end as the free end

S300‧‧‧ provides a panel frame containing elastic shading elements, the elastic shading elements corresponding to the periphery of the protective film

S400‧‧‧Insert display panel and pulling components into panel frame

S500‧‧‧ Pull the free end of the pulling element to disengage the protective film from the polarizer

The above and other objects, features, advantages and embodiments of the present invention will become more apparent and understood.

1A to 1C are schematic diagrams showing the combination of liquid crystal modules according to an embodiment of the present invention.

FIG. 1D is a schematic top view showing a liquid crystal module according to an embodiment of the present invention.

2A to 2C are schematic views illustrating a method for assembling a liquid crystal module according to an embodiment of the present invention.

FIG. 3 is a flow chart showing the assembly of the liquid crystal module according to the embodiment of the present invention.

10‧‧‧Frame

20‧‧‧Backlight module

30‧‧‧ polarizer

40‧‧‧ display panel

42‧‧‧Thin film transistor substrate

44‧‧‧Color filter substrate

50‧‧‧ polarizer

54‧‧‧ side

60‧‧‧Protective film

70‧‧‧panel

72‧‧‧ inside side

74‧‧‧ inner surface

80‧‧‧ Pulling components

90‧‧‧Elastic shading elements

Claims (9)

A liquid crystal module comprising: a display panel; a polarizer disposed on the display panel; a protective film disposed on a surface of the polarizer; a panel frame for receiving the display panel; An element having one end attached to a corner of the protective film and the other end being a free end; and an elastic shading element disposed corresponding to a periphery of the protective film, one of the upper surfaces of the elastic shading element The inner surface of one of the panel frames is partially fixed to one side of the polarizer. The liquid crystal module of claim 1, wherein a lower surface of the elastic shading element is lower than an upper surface of the polarizer. The liquid crystal module of claim 1, wherein a lower surface of the elastic shading element is in close fitting with the protective film. The liquid crystal module according to claim 1, wherein the elastic shading member is made of black rubber. The liquid crystal module according to claim 1, wherein the pulling element is a tape. A method for assembling a liquid crystal module, comprising: Providing a display panel, wherein the display panel is provided with a polarizer, one surface of the polarizer is provided with a protective film; one end of a pulling component is pasted on a corner of the protective film, wherein the other end of the pulling component Provided as a free end; a panel frame is provided, wherein the panel frame comprises an elastic shading member disposed corresponding to a periphery of the protective film, and an upper surface portion of the elastic shading member is fixed in one of the panel frames a surface, wherein an inner side of one of the panel frames is aligned to a side of the polarizer; the display panel and the pulling member are nested in the panel frame; and the free end of the pulling member is pulled to disengage the protective film The polarizer. The method for assembling a liquid crystal module according to claim 6, wherein a lower surface of the elastic shading member is lower than an upper surface of the polarizer. The method for assembling a liquid crystal module according to claim 6, wherein a lower surface of the elastic shading member is in close fitting with the protective film. The method for assembling a liquid crystal module according to claim 6, wherein the elastic shading member is made of black rubber.