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US 7,253,559 B2Granted
Plasma display panel having dielectric layer with specific color addictive
AssigneeLG Electronics Inc.
InventorMyeong Soo Chang
Life of this patent
Estimating the term…
Abstract
A plasma display panel is able to contrast thereof by increasing a color temperature of the plasma display panel, which comprises a dielectric layer controlling a light transmittance for visible light of a certain wavelength emitted from a phosphor in the plasma display panel.
Claims8
A plasma display panel (PDP), comprising:
- an upper glass substrate;
- a sustain electrode formed on a portion of the upper glass substrate;
- a bus electrode formed on a portion of the sustain electrode;
- an upper dielectric layer formed conformal to the bus electrode, the sustain electrode, and the upper glass substrate;
- and
- a passivation layer formed on the upper dielectric layer, wherein the upper dielectric layer of the PDP is a single layer configured to increase a transmittance of visible light having a blue color wavelength to a higher degree than that of visible light having red and green color wavelengths, and wherein a composition of the upper dielectric layer consists essentially of:
- a ceramic composition which consists of 55 weight %-72 weight % of PbO, 1 weight %-21 weight % of SiO2, 4.2 weight %-20 weight % of B2O3, 1 weight %-7 weight % of Al2O3, 0 weight %-0.5 weight % of MgO, 0 weight %-0.5 weight % of CaO, 0 weight %-9 weight % of ZnO;
- and
- a coloration additive which consists of 0 weight %-3 weight % of CoO, greater than 0 weight %-3 weight % of Co3O4, and greater than 0 weight %-23 weight % of Nd2O3.
6 more elements
A plasma display panel (PDP), comprising:
- an upper layer, comprising:
- an upper glass substrate;
- a sustain electrode formed on a portion of the upper glass substrate;
- and
- a bus electrode formed on a portion of the sustain electrode, the upper layer consisting of only a single dielectric layer, wherein the single dielectric layer is configured to increase a transmittance of visible light having a blue color wavelength to a higher degree than that of the visible light having red and green color wavelengths, wherein the single dielectric layer consists essentially of:
- a dielectric layer which consists of 55 weight %-72 weight % of PbO, 1 weight %-21 weight % of SiO2, 4.2 weight %-20 weight % of B2O3, 1 weight %-7 weight % of Al2O3, 0 weight %-0.5 weight % of MgO, 0 weight %-0.5 weight % of CaO, 0 weight %-9 weight % of ZnO;
- and
- a filler which consists of 0 weight %-3 weight % of CoO, greater than 0 weight %-3 weight % of Co3O4, and greater than 0 weight %-23 weight % of Nd2O3.
5 more elements
A plasma display panel (PDP), comprising:
- an upper layer, comprising:
- an upper glass substrate;
- a sustain electrode formed on a portion of the upper glass substrate;
- a bus electrode formed on a portion of the sustain electrode;
- a single dielectric layer formed directly on and in contact with the bus electrode, the sustain electrode, and the upper glass substrate, wherein the single dielectric layer is configure to increase a transmittance of visible light having a blue color wavelength to a higher degree than that of visible light having red and green color wavelengths, wherein the single dielectric layer consists essentially of:
- a dielectric layer which consists of 55 weight %-72 weight % of PbO, 1 weight %-21 weight % of SiO2, 4.2 weight %-20 weight % of B2O3, 1 weight %-7 weight % of Al2O3, 0 weight %-0.5 weight % of MgO, 0 weight %-0.5 weight % of CaO, 0 weight %-9 weight % of ZnO;
- and
- a filler which consists of 0 weight %-3 weight % of CoO, greater than 0 weight %-3 weight % of Co3O4, and greater than 0 weight %-23 weight % of Nd2O3.
5 more elements
A plasma display panel (PDP), comprising:
- an upper glass substrate;
- a sustain electrode formed on a portion of the upper glass substrate;
- a bus electrode formed on a portion of the sustain electrode;
- an upper dielectric layer formed on the bus electrode, the sustain electrode, and the upper glass substrate, wherein a composition of the upper dielectric layer consists of:
- a dielectric layer which consists of 55 weight %-72 weight % of PbO, 1 weight %-21 weight % of SiO2, 4.2 weight %-20 weight % of B2O3, 1 weight %-7 weight % of Al2O3, 0 weight %-0.5 weight % of MgO, 0 weight %-0.5 weight % of CaO, 0 weight %-9 weight % of ZnO;
- and
- a filler which consists of 0 weight %-3 weight % of CoO, greater than 0 weight %-3 weight % of Co3O4, and greater than 0 weight %-23 weight % of Nd2O3;
- and
- a passivation layer formed on the upper dielectric layer, wherein the upper dielectric layer of the PDP is a single layer configured to increase a transmittance of visible light having a blue color wavelength to a higher degree than that of visible light having red and green color wavelengths.
6 more elements
Dependencies are inferred from the claim text.