JP2007219326A - Display device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a display device for preventing chipping and cracking of a glass substrate of a thin and compact display panel and preventing chipping and cracking of a driver IC. <P>SOLUTION: In the display device where an IC is COG packaged on the glass substrate constituting the display panel, a reinforcing material having a size substantially equal to that of the IC is disposed on the surface opposite to packaging surface of the IC. Thereby, a structure durable for outer breaking stress due to use environment can be provided. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a display device used for, for example, a mobile phone.

  In the conventional apparatus, since the glass substrate of the display device is thick and the driver IC is also thick, a concept of attaching an impact absorbing material or the like to a case housing the liquid display device is known.

  The problem to be solved by the present invention is that the glass substrate and driver IC of the display panel are chipped due to external stress in the use environment, for example, impact on the liquid crystal display panel due to dropping or the like due to thinning and miniaturization. In other words, it has become impossible to prevent chipping or cracking of the glass substrate of the display panel or the driver IC simply by applying a shock absorber to the display case.

  Driver ICs and glass substrates, which are becoming more susceptible to cracking and chipping due to external stresses in the usage environment due to thinness and miniaturization, increase the strength by attaching or adhering a reinforcing material to the empty space of the glass substrate or the driver IC, Can be suppressed.

  According to the display device of the present invention, it is possible to protect a driver IC or a glass substrate mounted on the display panel from external stress in a use environment, for example, an impact caused by dropping, and to eliminate a display defect or the like and to provide a highly reliable display device. Can supply.

  The display device of the present invention is a display device in which an IC is COG-mounted on a glass substrate constituting a display panel, and a reinforcing material having the same size as the IC is provided on the surface opposite to the IC mounting surface. It has been. Alternatively, a display device in which an IC is COG-mounted on a glass substrate that constitutes a display panel, and a reinforcing material having substantially the same size as the IC is provided on the back surface of the mounting portion of the glass substrate. Alternatively, a display device in which an IC is COG mounted on a glass substrate constituting a display panel, and a reinforcing material is provided on a glass substrate on an outer peripheral portion of at least one side of the IC. A ceramic plate or a tempered glass substrate is used as the reinforcing material. Ceramic coating or glass coating may be used.

  The structure of the liquid crystal display device of this example is schematically shown in FIG. The size of the driver IC 3 mounted on the glass substrate of the liquid crystal display panel in which the liquid crystal is sealed between the two glass substrates of the liquid crystal display panel of the liquid crystal display device, the first glass substrate 1 and the second glass substrate 2 is large. A structure that can withstand external destructive stress due to the use environment is obtained by attaching or bonding substantially the same reinforcing material 4 made of ceramic or tempered glass. Thereby, the driver IC 3 mounted on the glass substrate can withstand external destructive stress due to the use environment.

  The structure of the liquid crystal display device of this example is schematically shown in FIG. The first glass substrate 1 mounted on the back surface of the liquid crystal display panel with the liquid crystal sealed between the two glass substrates of the liquid crystal display panel of the liquid crystal display device or the driver IC 3 mounted on the back surface of the second glass substrate 2 A structure that can withstand external destructive stress due to the use environment is provided by attaching or bonding a reinforcing material 4 made of ceramic or tempered glass having substantially the same size at substantially the same position. Thereby, the 1st glass substrate of a liquid crystal display panel and the 2nd glass substrate 2 can endure external destructive stress by use environment.

  The structure of the liquid crystal display device of this example is schematically shown in FIG. The first glass substrate 1 mounted on the back surface of the liquid crystal display panel with the liquid crystal sealed between the two glass substrates of the liquid crystal display panel of the liquid crystal display device or the driver IC 3 mounted on the back surface of the second glass substrate 2 A structure that can withstand external destructive stress due to the use environment is provided by attaching or bonding a reinforcing material 4 made of ceramic or tempered glass having substantially the same size as the IC mounting surface at substantially the same position.

  The structure of the liquid crystal display device of this example is schematically shown in FIG. The same surface as the COG-mounted driver glass 3 of the first glass substrate 1 or the second glass substrate 2 of the liquid crystal display panel in which the liquid crystal is sealed between the two glass substrates of the liquid crystal display panel of the liquid crystal display device A reinforcing material 4 made of ceramic, tempered glass, or the like having the same size as the length of the IC in the vacant space is pasted or bonded so that it can withstand external destructive stress due to the use environment. A reinforcing material 4 made of ceramic or tempered glass having substantially the same length as the glass substrate may be attached or bonded.

  The glass substrate and driver IC can be protected from dropping of a liquid crystal display device such as a liquid crystal display panel mounted on a cellular phone, and the display quality is stabilized.

It is sectional drawing which shows the structure of a liquid crystal display device typically. It is sectional drawing which shows the structure of a liquid crystal display device typically. It is sectional drawing which shows the structure of a liquid crystal display device typically. It is sectional drawing which shows the structure of a liquid crystal display device typically.

Explanation of symbols

1 First glass substrate 2 Second glass substrate 3 Driver IC
4 Reinforcing material

Claims (3)

  In a display device in which an IC is COG mounted on a glass substrate constituting a display panel, a reinforcing material having the same size as that of the IC is provided on a surface opposite to the mounting surface of the IC. Display device.   A display device in which an IC is COG-mounted on a glass substrate constituting a display panel, wherein a reinforcing material having substantially the same size as that of the IC is provided on the back surface of the mounting portion of the glass substrate. .   A display device in which an IC is COG-mounted on a glass substrate constituting a display panel, wherein a reinforcing material is provided on at least one side of the outer periphery of the IC on the glass substrate.

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