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  Glass cassette for loading glass substrates of display panelsUSPTO Application #: 20060226093Title: Glass cassette for loading glass substrates of display panels Abstract: A glass cassette for loading glass substrates for display panels includes an upper plate, a lower plate, side plates, a stopper and stepped support members. The lower plate is disposed substantially parallel to the upper plate. The side plates are disposed spaced apart from each other in a first direction and substantially parallel to each other. The side plates are connected to the upper plate and the lower plate. The stopper is disposed at an end portion of the glass cassette to limit a movement of the glass substrates in a second direction that is substantially perpendicular to the first direction to stop the movement of the glass substrates upon insertion. The stopper is connected between the upper plate and the lower plate. The stepped support members are disposed at each of the side plates while facing each other in the first direction in order to flatly support the glass substrates. (end of abstract) Agent: Cantor Colburn, LLP - Bloomfield, CT, US Inventors: Jae-Nam Cho, Geun-Soo An USPTO Applicaton #: 20060226093 - Class: 211041140 (USPTO) Related Patent Categories: Supports: Racks, Special Article, Platelike, Glass Type The Patent Description & Claims data below is from USPTO Patent Application 20060226093. Brief Patent Description - Full Patent Description - Patent Application Claims
[0001] This application claims priority to Korean Utility Model Application No. 2005-0009634 filed on Apr. 8, 2005 and Korean Patent Application No. 2005-0037084 filed on May 3, 2005, and all the benefits accruing therefrom under 35 U.S.C .sctn.119, and the contents of which in its entirety are herein incorporated by reference. BACKGROUND OF THE INVENTION [0002] (a) Field of the Invention [0003] The present invention relates to a glass cassette for loading glass substrates of display panels, and more particularly, to a glass cassette for loading glass substrates having various sizes. [0004] (b) Description of the Related Art [0005] Recent developments in semiconductor technology have led to a demand for display devices having smaller size, decreased weight and enhanced performance. Liquid crystal display (LCD) devices, plasma display panel (PDP) devices, flat emission display (FED) devices, vacuum fluorescent display (VFD) devices, and organic light emitting display (OLED) devices are examples of such display devices. [0006] Although display devices are manufactured by various methods, most of the display devices include a pair of glass substrates with a vacuum between the pair of glass substrates. Glass substrates are typically produced by cutting an original piece of glass into a plurality of cell glass substrates, which are used in manufacturing display devices. [0007] The original piece of glass or the cell glass substrates are loaded into a glass cassette in order for transportation during a manufacturing process. For example, during manufacture of an LCD device, multilayered thin film patterns are disposed on transparent insulation glass panels or cell glass substrates made of, for example, SiO.sub.2 using a deposition process and an etching process. Next, the cell glass substrates are loaded into the glass cassette and transported in order to undertake a next process. Since the cell glass substrate is suctioned and attached to an arm of a robot, it is possible to remove the cell glass substrate from the glass cassette freely. Additionally, since the cell glass substrate is transported in the glass cassette, exposed surfaces of the cell glass substrate may be protected from damage, and thereby the cell glass substrate is both preserved and easily transported. [0008] Recently, large display devices have been manufactured using a large cell glass substrate. The large cell glass substrate is manufactured by cutting large pieces of original glass using a multi-cutting process. When the large cell glass substrate is manufactured, it is necessary for the large cell glass substrate to be loaded into the glass cassette without deflection. When the large cell glass substrate is deflected, patterns disposed on a surface of the large cell glass substrate may be damaged or the large cell glass substrate may be broken. In addition, when the large cell glass substrate is deflected while being loaded in the glass cassette, it is difficult to stably fix the large cell glass substrate in the glass cassette. [0009] Additionally, a problem currently exists in that cell glass substrates of various sizes cannot be loaded together into a glass cassette of the prior art. Since each glass cassette currently loads cell glass substrates of only one size, many glass cassettes are required to transport each of various different sizes of glass substrates. Therefore, a cost of manufacturing display devices is increased. SUMMARY OF THE INVENTION [0010] The present invention is contrived to solve the above-mentioned problems by providing a glass cassette for loading glass substrates of various sizes together. [0011] A glass cassette for loading glass substrates of display panels includes an upper plate, a lower plate, side plates, a stopper and stepped support members. The lower plate is disposed substantially parallel to the upper plate. The side plates are disposed spaced apart from each other in a first direction and substantially parallel to each other. The side plates are connected to the upper plate and the lower plate. The stopper is disposed at an end portion of the glass cassette to limit a movement of the glass substrates in a second direction that is substantially perpendicular to the first direction to stop the movement of the glass substrates upon insertion. The stopper is connected between the upper plate and the lower plate. The stepped support members are disposed at each of the side plates while facing each other in the first direction in order to flatly support the glass substrates. [0012] In another exemplary embodiment of the present invention, a glass cassette for loading glass substrates of display panels includes an upper plate, a lower plate, side plates, and stepped support members including a resin. The lower plate is disposed substantially parallel to the upper plate. The side plates are disposed spaced apart from each other in a first direction and substantially parallel to each other. The side plates are connected to the upper plate and the lower plate. The stepped support members including a resin are disposed at each of the side plates while facing each other in the first direction in order to flatly support the glass substrates. Each of the support members includes multiple glass supporting surfaces corresponding to glass substrates of various sizes. BRIEF DESCRIPTION OF THE DRAWINGS [0013] The above and other features and advantages of the present invention will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings, in which: [0014] FIG. 1 is a perspective view of a glass cassette according to an exemplary embodiment of the present invention; [0015] FIG. 2 is a front view of the glass cassette of FIG. 1; [0016] FIG. 3 is an enlarged view of area A of FIG. 1; [0017] FIG. 4 is an enlarged view of area B of FIG. 1; and [0018] FIG. 5 is an enlarged view of a stepped supporting member of a glass cassette according to an exemplary embodiment of the present invention. DETAILED DESCRIPTION OF THE INVENTION [0019] Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to FIGS. 1 to 5. The embodiments herein explained are intended only to exemplify the present invention, and thus the present invention is not limited thereto. [0020] FIG. 1 shows a glass cassette 100 for loading glass substrates of various sizes. For example, as shown in FIG. 1, a size of a relatively large glass substrate G.sub.1 is larger than a size of a relatively small glass substrate G.sub.2. A structure of the glass cassette 100 shown in FIG. 1 is merely to illustrate an exemplary embodiment of the present invention and the present invention is not limited thereto. Accordingly, the structure of the glass cassette 100 may be modified into other forms. Continue reading... Full patent description for Glass cassette for loading glass substrates of display panels Brief Patent Description - Full Patent Description - Patent Application Claims Click on the above for other options relating to this Glass cassette for loading glass substrates of display panels patent application. ###  How KEYWORD MONITOR works... a FREE service from FreshPatents1. Sign up (takes 30 seconds). 2. Fill in the keywords to be monitored. 3. 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