DISPLAY PANEL AND METHOD FOR MANUFACTURING THE SAME

• Main Authors: KANG, MIN, JU, JIN HO, SOUK, JUN HYUNG, JIN, YONG SUK, JOO, MYO KYONG, WHANGBO, SANG WOO
• Format: Patent
• Language: English
• Published: 08.08.2008
• Subjects: DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL ANALOGUE/DIGITAL CONVERTERS; OPTICAL LOGIC ELEMENTS; OPTICS; PHYSICS; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF

A display substrate and a method for manufacturing the same are provided to improve the surface flatness of a soda lime glass substrate and reduce the elution of alkali component, thereby suppressing display defects and device defects. An alkali-based glass substrate(110) is prepared, wherein the alkali-based glass substrate has a surface waviness less than 0.06um and a surface roughness less than 20Å. A gate electrode(124) is formed on the substrate. A gate insulating layer(140) and a semiconductor(151) are sequentially formed on the gate electrode. A source electrode(173) and a drain electrode(175) are formed on the gate insulating layer and the semiconductor. A pixel electrode(191) is formed on the resultant substrate to be connected to the drain electrode. The insulating substrate is formed of soda lime glass containing alkali component such as Na2O, CaO, and MgO.