Electricity: electrical systems and devices – Housing or mounting assemblies with diverse electrical... – For electronic systems and devices
Reexamination Certificate
1999-04-28
2001-02-13
Picard, Leo P. (Department: 2835)
Electricity: electrical systems and devices
Housing or mounting assemblies with diverse electrical...
For electronic systems and devices
C361S689000, C345S905000, C312S223100
Reexamination Certificate
active
06188568
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The invention relates to a display panel for a portable computer, more particularly to a display panel that has a cover and a frame which are locked at their sides.
2. Description of the Related Art
Display panel casings of portable computers are generally locked at their sides when LCDs have relatively large dimensions. Referring to
FIGS. 1 and 2
, a conventional display panel includes an LCD device
12
, a cover
10
and a frame
14
.
The LCD device
12
has opposing sides provided with a plurality of threaded holes
120
. The cover
10
includes a pair of opposite left and right side end walls
15
formed with a plurality of recessed outer faces
102
. Each of the recessed outer faces
102
is formed with a screw hole
100
aligned with the corresponding threaded hole
120
of the LCD device
12
. Each recessed outer face
102
adjacent to a front end wall
13
has an indention
104
surrounding the screw hole
100
. The frame
14
has an opening
108
for exposing a display screen (not shown) of the LCD device
12
. Each side end wall
145
of the frame
14
has a flap member
142
adjacent to a front end wall
143
to project into the indention
104
of the corresponding side end wall
15
. Each flap member
143
has a screw hole
140
aligned with the screw hole
100
.
Two frontmost screws
16
extend through the screw holes
140
and the screw holes
100
, and engage threadedly the threaded holes
120
to fix the LCD device
12
to the cover
10
and the frame
14
. The remaining screws
16
engage threadedly the threaded holes
120
to fasten the LCD device
12
to the cover
10
. Two screws
20
(only one is shown) engage threadedly screw holes
144
and screw holes
106
to fasten the cover
10
and the frame
14
together. A plurality of stickers
18
are attached on the recessed outer faces
102
, respectively, as shown in FIG.
2
.
The following are some of the drawbacks of the conventional display panel:
1. As the frontmost screws
16
extend through the screw holes
140
, the screw holes
140
must be aligned with the screw holes
100
. Assembly as such is inconvenient.
2. The stickers
18
used to cover the screws
16
affect adversely the appearance of the display panel.
3. The use of the stickers
18
is inconvenient since the stickers
18
must be detached during repair and must be reattached after repair.
4. The stickers
18
cannot be reused after being detached from the display panel, thereby creating a waste problem.
SUMMARY OF THE INVENTION
Therefore, the main object of the present invention is to provide a display panel that dispenses with the use of stickers to hide fastening screws which would impair the appearance of the display panel.
Another object of the invention is to provide a display panel which can be easily assembled and disassembled.
According to this invention, a display panel is adapted for use in a portable computer. The display panel includes an LCD device, a cover and a frame joined together to receive the LCD device, a plurality of first screws fastening together the cover and the frame, and a plurality of second screws fastening the LCD device to the cover.
The cover includes a first rear end wall, a first front end wall, a pair of opposite first side end walls interconnecting the first rear and first front end walls, and a plurality of first screw holes disposed adjacent to the first rear end wall to receive the first screws. Each of the first side end walls has a recessed outer face and a plurality of second screw holes that receive the second screws. The second screw holes open at and extend inwardly from the recessed outer face.
The frame includes a second rear end wall, a second front end wall, a pair of opposite second side end walls interconnecting the second rear and second front end walls, and a plurality of third screw holes disposed adjacent to the second rear end wall and aligned with the first screw holes to receive the first screws. Each of the second side end walls has a flap member projecting into the recessed outer face of a corresponding one of the first side end walls to cover the second screws.
A plurality of clasp loops project from one of the first and second front end walls to the other one of the first and second front end walls. A plurality of latches project inwardly and rearwardly from the other one of the first and second front end walls, and are inserted into the clasp loops.
REFERENCES:
patent: 5568357 (1996-10-01), Kochis et al.
patent: 5926237 (1999-07-01), Yun et al.
patent: 6020942 (2000-02-01), Yun et al.
Chou Ming-Hsun
Hung Sung-Chen
Jeng Ji-Liang
Compal Electronics Inc.
Duong Hung Van
Picard Leo P.
Pillsbury Madison & Sutro LLP
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