Liquid crystal cells – elements and systems – Particular structure – Holder – support – frame – or housing
Reexamination Certificate
2001-11-14
2004-07-27
Ngo, Huyen (Department: 2871)
Liquid crystal cells, elements and systems
Particular structure
Holder, support, frame, or housing
C348S837000
Reexamination Certificate
active
06768523
ABSTRACT:
This application incorporates by reference Taiwanese application Ser. No. 90202276, Filed Feb. 15, 2001.
BACKGROUND OF THE INVENTION
1. Field of the Invention
The invention relates in general to a mobile phone display unit, and more particularly to a slidably detachable mobile phone display unit.
2. Description of the Related Art
Along with the busy communication between people, the mobile phone has become an indispensable communication tool for modern people. Through it, people can conveniently communicate with each other no matter wherever they are or whenever they want to. In the pursuit of fashion, the users desire that their mobile phones are conspicuous and different from that of others'. Mobile phone outer coverings of varied patterns have been designed to satisfy users' needs and preferences.
Please referring to
FIG. 1
, a block diagram of a conventional folding-type mobile phone is illustrated. In
FIG. 1
, the mobile phone
100
includes an operation base
102
and a display unit
104
. The display unit
104
, being connected to the operation base
102
through a joint device (not shown in the diagram), can be closed to the base unit
102
or be opened from it. The user inputs signals via the keypad
106
of the base unit
102
. The display unit
104
further includes an upper covering member
108
, a lower covering member
110
and a Liquid Crystal Display (LCD)
112
, which is used to display the status and information of the mobile phone
100
. Of which, the click-and-hook joint mechanism is a commonly used joint mechanism which tightly joints the upper covering member
108
and the lower covering member
110
together. The two covering members
108
and
110
are therefore tightly fastened together with joint marks
114
lying between them, forming the outer covering
109
with the LCD
112
enclosed inside it. In addition, there is a window
108
lying in the upper covering member
108
, which covers the LCD
112
.
In circumstances when the users want to replace the outer covering, or when parts of the circuits of the display unit
104
are damaged or the LCD
112
is out of order, normally the users need to take apart the upper and lower covering members
108
and
110
first before they can replace the outer covering or fix up the damaged circuits of the display unit
104
. In order to replace the outer covering
109
, i.e., the upper covering member
108
and the lower covering member
110
of the display unit
104
, the users always need to take apart the mechanic parts of the click-and-hook joint mechanism using a screwdriver. In case the outer covering
109
is damaged after being taken apart, a new one is required to enclose the internal parts of the display unit
109
wasting both time and money. Besides, the LCD
112
, which is enclosed within the outer covering
109
, is just sandwiched between the upper covering member
108
and the lower covering member
110
. Since the upper covering member
108
and the lower covering member
110
are normally made of fragile solid materials which can hardly support and protect the LCD
112
from hits of external sources. In terms of outlooks, the joint marks
114
, which lie between the upper covering member
108
and the lower covering member
110
, spoil the integral beauty of the mobile phone
100
.
SUMMARY OF THE INVENTION
It is therefore an object of the invention to provide a slidably detachable mobile phone display unit with its outer covering and frame being designed in such a way that the outer covering can be detached from the frame directly and the replacement of the outer covering can be done thereby. As for the frame, its hard and strong structure protects and supports the LCD; and its features of being small, thin and light facilitate the convenience of portability for the users. The seamless outer covering without any joint marks features the integral beauty of the mobile phone.
A slidably detachable mobile phone display unit including a frame and an outer covering is provided according to the object of the invention. The frame has a chamber into which a display panel is fixed. The outer covering and the frame are jointed together in a slidably detachable way.
In addition, a slidably detachable mobile phone display unit including a frame, an outer covering and screws is provided. The frame has tooling holes and a chamber into which a display panel is fixed. The outer covering has openings and screw holes; it joints with the frame in a slidably detachable way and exposes the display panel through the openings. Besides, the screws, passing through the screw holes, are screwed into the tooling holes to fix the frame and the outer covering together.
REFERENCES:
patent: 4111533 (1978-09-01), Nakamura et al.
patent: 4958889 (1990-09-01), Boyle et al.
patent: 5161028 (1992-11-01), Kawata et al.
patent: 6118436 (2000-09-01), Kushita
patent: 2001/0009847 (2001-07-01), Kim et al.
Cheng Yung-Fa
Tsao Lu-Long
Wu Kuo-Hsiang
Dort David Bogart
Hickman Paul L.
Ngo Huyen
Perkins Coie LLP
Quanta Computer Inc.
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