Patent application number | Description | Published |
20100020265 | DISPLAY APPARATUS - The present application provides a display apparatus including: a display panel having a plurality of pixels disposed in a matrix; a first polarizer; a second polarizer; a surface emitting light source; a third polarizer; and a polarization control element whose orientation of a transmission axis changes according to a control signal. A control section outputs a control signal that controls orientation of the transmission axis of the polarization control element so that a polarization axis of transmission light of the polarization control element is oriented in a direction crossing the transmission axis of the first polarizer in a part corresponding to a pixel position of black display and is oriented in a direction parallel to the transmission axis of the first polarizer in a part corresponding to a pixel position of white display. | 01-28-2010 |
20100177380 | OPTICAL ELEMENT AND METHOD FOR PRODUCING THE SAME - An optical element is provided includes an optical layer having a flat incident surface on which light is incident and a wavelength-selective reflective layer disposed in the optical layer. Of light incident on the incident surface at an incident angle (θ, φ), the optical element selectively directionally reflects light in at least one specific wavelength range in at least one direction other than a specular reflection direction (−θ, φ+180°) while transmitting light in at least one wavelength range other than the specific wavelength range, and is transparent to light in at least one wavelength range other than the specific wavelength range. | 07-15-2010 |
20110159368 | LITHIUM-ION SECONDARY BATTERY, ANODE FOR LITHIUM-ION SECONDARY BATTERY, POWER TOOL, ELECTRIC VEHICLE AND ENERGY STORAGE SYSTEM - A lithium-ion secondary battery allowed to improve cycle characteristics and initial charge-discharge characteristics is provided. The lithium-ion secondary battery includes a cathode; an anode; and an electrolytic solution. The anode includes an anode active material layer including a plurality of anode active material particles. The anode active material particles each include a core section and a coating section applied to a part or a whole of a surface of the core section, and the core section includes a silicon-based material (SiO | 06-30-2011 |
20120164525 | LITHIUM SECONDARY BATTERY, POSITIVE ELECTRODE ACTIVE MATERIAL, POSITIVE ELECTRODE, ELECTRIC TOOL, ELECTRIC VEHICLE, AND POWER STORAGE SYSTEM - A lithium secondary battery includes a positive electrode, a negative electrode, and an electrolyte solution. The positive electrode contains a positive electrode active material including element M2 incorporated in a crystal structure in a surface layer area of a complex oxide, the oxide including the element M1 and being represented by the following formula (1), M2 being different from M1. The element M2 is at least one kind selected from the group consisting of magnesium Mg, calcium Ca, titanium Ti, zirconium Zr, sulfur S, fluorine F, iron Fe, copper Cu, boron B, aluminum Al, phosphorus P, carbon C, manganese Mn, nickel Ni, and cobalt Co. | 06-28-2012 |
20120164532 | LITHIUM ION SECONDARY BATTERY, POSITIVE ELECTRODE ACTIVE MATERIAL, POSITIVE ELECTRODE, ELECTRIC TOOL, ELECTRIC VEHICLE, AND POWER STORAGE SYSTEM - A lithium ion secondary battery includes a positive electrode, a negative electrode, and an electrolytic solution, wherein the positive electrode includes a first lithium composite oxide and a second lithium composite oxide expressed by the following equation (1), as a positive electrode active material, and a charge capacity (vs lithium metal) per unit volume during a charge and discharge of a first cycle is larger in the second lithium composite oxide compared to the first lithium composite oxide, and a discharge voltage (vs lithium metal) during the charge and discharge of the first cycle is lower in the second lithium composite oxide compared to the first lithium composite oxide, Li | 06-28-2012 |
20120164533 | LITHIUM ION SECONDARY BATTERY, POSITIVE ELECTRODE ACTIVE MATERIAL, POSITIVE ELECTRODE, ELECTRIC TOOL, ELECTRIC VEHICLE, AND POWER STORAGE SYSTEM - A lithium ion secondary battery including a positive electrode; a negative electrode; and an electrolytic solution, wherein the positive electrode includes a first lithium composite oxide and a second lithium composite oxide expressed by following formula (1) as a positive electrode active material, and wherein the second lithium composite oxide has a charge capacity greater than the first lithium composite oxide | 06-28-2012 |
20120301786 | LITHIUM ION SECONDARY BATTERY, ELECTRIC TOOL, ELECTRIC VEHICLE, AND POWER STORAGE SYSTEM - A lithium ion secondary battery includes a positive electrode, a negative electrode, and an electrolytic solution. The positive electrode contains a lithium composite oxide. The negative electrode contains a material including at least one of silicon Si and tin Sn as a constituent element. The lithium composite oxide includes lithium Li having a composition ratio a, a first element having a composition ratio b, and a second element having a composition ratio c as a constituent element. The first element including two kinds or more selected from among manganese Mn, nickel Ni, and cobalt Co, and including at least manganese. The second element including at least one kind selected from among aluminum Al, titanium Ti, magnesium Mg, and boron B. The composition ratios a to c satisfy the relationships of 1.1b+c. | 11-29-2012 |
20140065450 | SECONDARY BATTERY, METHOD OF MANUFACTURING THE SAME, BATTERY PACK, AND ELECTRIC VEHICLE - A secondary battery includes: a cathode; an anode; and an electrolytic solution, wherein the anode includes an anode active material layer, the anode active material layer being provided on part of an anode current collector, and a breaking elongation δ2 (percent) of the anode current collector in a second region is larger than a breaking elongation δ1 (percent) of the anode current collector in a first region, the second region not being provided with the anode active material layer, and the first region being provided with the anode active material layer. | 03-06-2014 |