Patent application number | Description | Published |
20080238316 | PLASMA DISPALY PANEL AND MANUFACTURING METHOD OF THE SAME - The purpose of the present invention is to provide a plasma display panel containing black colored parts which have high resistant against degradation in blackness or peeling by high-temperature oxidation. The present invention provides a plasma display panel comprises: a front substrate and a rear substrate, edge portions of which are adhered to each other, the both substrates being provided opposite to each other; an electrode provided on the front substrate, a dielectric layer provided on the electrode; a protective layer provided on the dielectric layer; a black compound layer having an opening on the protective layer; an electrode and a dielectric layer provided on the rear substrate; a barrier rib holding a gap between the front substrate and the rear substrate; and a phosphor filled in a space formed by the barrier rib, wherein the black compound layer is formed on the front substrate side seen from the barrier rib, wherein the black compound layer comprises a mixture of a ceramics filler and a glass, and wherein the glass comprises a phosphate glass containing a transition metal element. | 10-02-2008 |
20090115332 | IMAGE DISPLAY DEVICE - A problem of the present invention is to reduce discharge delay and discharge voltage in an image display device such as a PDP using ultraviolet rays emission generated by the discharge, thereby improving image quality and reducing cost. In order to solve the above problem, according to the present invention, the image display device using the ultraviolet rays emission generated by discharge includes, within a discharge space, a phosphor where a 1/10 afterglow time is 1 ms or more and a light emitting wavelength is in a range of 200 to 460 nm in which light emitting intensity is at the maximum. Under the same condition, the effect of the invention can be improved by making the 1/10 afterglow time 8 ms or more. Further, the effect of the present invention is further effective by making the 1/10 afterglow time 100 ms or more. | 05-07-2009 |
20090153050 | PLASMA DISPLAY PANEL - A high-quality long-life plasma display panel is provided by enabling compatibility between priming-electron emission characteristics, and other characteristics such as sputtering resistance, secondary electron emission characteristics, and wall charge retention. The plasma display panel is structured to include a front substrate, transparent electrodes and bus electrodes provided on the inner side of the front substrate, a dielectric layer covering these electrodes, a first protective layer covering the dielectric layer, and a second protective layer disposed on the side closer to the discharge space than the first protective layer. The first protective layer is doped with Sc to generate a predetermined excitation light by incidence of ultraviolet light. The second protective layer is doped with Si to emit electrons to the discharge space by the excitation light. With this structure, it is possible to realize a plasma display device in which the discharge delay is small, thereby the fluctuation less occurs. | 06-18-2009 |
20090230836 | DISPLAY DEVICE AND PLASMA DISPLAY PANEL - Provided is a display device such as a plasma display device including a front plate and a rear plate arranged opposing to each other to form a discharge space, where a discharge gas filled inside the discharge space, and at least a pair of electrodes for performing a display discharge and a phosphor layer for emitting visible light by an ultraviolet ray emission by the discharge of the discharge gas are provided. Inside the discharge space, a material whose main composition is alumina oxychloride of a group IIa metal and/or a group IIb metal is at least partly contained. Accordingly, a sustain discharge voltage can be reduced. | 09-17-2009 |
20100090582 | PLASMA DISPLAY PANEL AND PLASMA DISPLAY APPARATUS USING THE SAME - A high-luminance plasma display panel has at least has a plurality of discharge cells including a phosphor film emitting visible rays by excitation caused by ultraviolet light generated by the discharge of a discharge gas. The phosphor film has at least two layers of a phosphor layer and a reflecting layer, and the phosphor layer is arranged closer to the discharge space side than the reflecting layer. A film thickness Wt of the phosphor film is 40 μm or less, and a film thickness Wp of the phosphor layer, a particle diameter dp of a phosphor that is at least a part of components of the phosphor layer, a film thickness Wr of the reflecting layer, and a particle diameter dr of a reflecting material that is at least a part of components of the reflecting layer satisfy 2dp≦Wp≦5dp and 2dr≦Wr≦Wt−Wp. | 04-15-2010 |
20100096975 | PLASMA DISPLAY PANEL - In order to reduce the discharge delay time and increase the image quality in a display device such as a PDP using ultraviolet light emission produced by discharge, there is provided a display device including: a front panel and a rear panel disposed opposite to each other with discharge spaces formed therebetween, and a discharge gas being injected into the discharge spaces; at least a pair of electrodes for performing a display discharge; and phosphor layers emitting visible light by using ultraviolet light emission produced by discharge of the discharge gas. At least one of the compounds represented by the composition formulas Cs | 04-22-2010 |