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LPL » Topics » Manufacturing Process

This excerpt taken from the LPL 20-F filed Jun 23, 2009.

Manufacturing Process

The process for manufacturing a TFT-LCD consists of four steps:

 

  •  

TFT array process – involves fabricating a large number of thin film transistors on the back glass substrate. The number of transistors corresponds to the number of pixels on the screen. The process is similar to the process for manufacturing semiconductor chips, except that transistors are fabricated on large glass substrates instead of silicon wafers. Unlike in the semiconductor industry, however, the number of transistors per glass substrate is not a primary driver of the manufacturing costs for TFT-LCDs. Once the TFT array process on glass substrates is completed, the substrates are cut into panel-sized pieces;

 

  •  

Color filter process – involves fabricating a large number of color regions on the front glass substrate that overlays the TFT array in the cell process. The colored dots of red, green and blue combine to form various colors. The process is similar to the TFT array process but involves depositing colored dyes instead of transistors;

 

  •  

Cell process – involves joining together the back glass substrate that is arrayed with transistors and the front glass substrate that is patterned with a color filter. The space between the two glass substrates is filled with liquid crystal materials. The resulting panel is called a cell; and

 

  •  

Module assembly process – involves connecting additional components, such as driver integrated circuits and backlight units, to the cell formed by combining the glass substrates and liquid crystal materials.

The TFT array, color filter and cell processes are capital-intensive and require highly automated production equipment and are the primary determinants of fixed manufacturing cost. In contrast, the module assembly process involves semi-automated production equipment and manual labor to assemble the various components. Materials are the primary drivers of variable manufacturing cost.

This excerpt taken from the LPL 20-F filed Apr 16, 2008.

Manufacturing Process

The process for manufacturing a TFT-LCD consists of four steps:

 

  •  

TFT array process—involves fabricating a large number of thin film transistors on the back glass substrate. The number of transistors corresponds to the number of pixels on the screen. The process is similar to the process for manufacturing semiconductor chips, except that transistors are fabricated on large glass substrates instead of silicon wafers. Unlike in the semiconductor industry, however, the number of transistors per glass substrate is not a primary driver of the manufacturing costs for TFT-LCDs. Once the TFT array process on glass substrates is completed, the substrates are cut into panel-sized pieces;

 

  •  

Color filter process—involves fabricating a large number of color regions on the front glass substrate that overlays the TFT array in the cell process. The colored dots of red, green and blue combine to form various colors. The process is similar to the TFT array process but involves depositing colored dyes instead of transistors;

 

  •  

Cell process—involves joining together the back glass substrate that is arrayed with transistors and the front glass substrate that is patterned with a color filter. The space between the two glass substrates is filled with liquid crystal materials. The resulting panel is called a cell; and

 

  •  

Module assembly process—involves connecting additional components, such as driver integrated circuits and backlight units, to the cell formed by combining the glass substrates and liquid crystal materials.

The TFT array, color filter and cell processes are capital-intensive and require highly automated production equipment and are the primary determinants of fixed manufacturing cost. In contrast, the module assembly process involves semi-automated production equipment and manual labor to assemble the various components. Materials are the primary drivers of variable manufacturing cost.

This excerpt taken from the LPL 20-F filed Apr 11, 2007.

Manufacturing Process

The process for manufacturing a TFT-LCD consists of four steps:

 

  •  

TFT array process – involves fabricating a large number of thin film transistors on the back glass substrate. The number of transistors corresponds to the number of pixels on the screen. The process is similar to the process for manufacturing semiconductor chips, except that transistors are fabricated on large glass substrates instead of silicon wafers. Unlike in the semiconductor industry, however, the number of transistors per glass substrate is not a primary driver of the manufacturing costs for TFT-LCDs. Once the TFT array process on glass substrates is completed, the substrates are cut into panel-sized pieces;

 

  •  

Color filter process – involves fabricating a large number of color regions on the front glass substrate that overlays the TFT array in the cell process. The colored dots of red, green and blue combine to form various colors. The process is similar to the TFT array process but involves depositing colored dyes instead of transistors;

 

  •  

Cell process – involves joining together the back glass substrate that is arrayed with transistors and the front glass substrate that is patterned with a color filter. The space between the two glass substrates is filled with liquid crystal materials. The resulting panel is called a cell; and

 

  •  

Module assembly process – involves connecting additional components, such as driver integrated circuits and backlight units, to the cell formed by combining the glass substrates and liquid crystal materials.

The TFT array, color filter and cell processes are capital-intensive and require highly automated production equipment and are the primary determinants of fixed manufacturing cost. In contrast, the module assembly process involves semi-automated production equipment and manual labor to assemble the various components. Materials are the primary drivers of variable manufacturing cost.

We are also developing active matrix OLED display technology, or AMOLED. AMOLED is considered a next generation flat panel display technology particularly because it is able to display clearer images of fast moving objects than conventional technology. In February 2006, we entered into an evaluation agreement for AMOLED development with Eastman Kodak Company, or Kodak. Pursuant to this agreement, we and Kodak will jointly evaluate display technologies for mobile displays and consider other opportunities, including the development and supply of AMOLED technology and products.

 

25

Table of Contents
This excerpt taken from the LPL 20-F filed Jun 21, 2006.

Manufacturing Process

The process for manufacturing a TFT-LCD consists of four steps:

 

  •   TFT array process – involves fabricating a large number of thin-film transistors on the back glass substrate. The number of transistors corresponds to the number of pixels on the screen. The process is similar to the process for manufacturing semiconductor chips, except that transistors are fabricated on large glass substrates instead of silicon wafers. Unlike in the semiconductor industry, however, the number of transistors per glass substrate is not a primary driver of the manufacturing costs for TFT-LCDs. Once the TFT array process on glass substrates is completed, the substrates are cut into panel-sized pieces;

 

  •   Color filter process – involves fabricating a large number of color regions on the front glass substrate that overlays the TFT array in the cell process. The colored dots of red, green and blue combine to form various colors. The process is similar to the TFT array process but involves depositing colored dyes instead of transistors;

 

  •   Cell process – involves joining together the back glass substrate that is arrayed with transistors and the front glass substrate that is patterned with a color filter. The space between the two glass substrates is filled with liquid crystal materials. The resulting panel is called a cell; and

 

  •   Module assembly process – involves connecting additional components, such as driver integrated circuits and backlight units, to the cell formed by combining the glass substrates and liquid crystal materials.

The TFT array, color filter and cell processes are capital-intensive and require highly automated production equipment and are the primary determinants of fixed manufacturing cost. In contrast, the module assembly process involves semi-automated production equipment and manual labor to assemble the various components. Materials are the primary drivers of variable manufacturing cost.

We are also developing OLED display technology. OLED is considered a next generation flat panel display technology particularly because it is able to display clearer images of fast moving objects than conventional technology. In February 2006, we entered into an evaluation agreement for OLED development with Eastman Kodak Company, or Kodak. Pursuant to this agreement, we and Kodak will jointly evaluate display technologies for mobile displays and consider other opportunities, including the development and supply of OLED technology and products.

 

29

Table of Contents
This excerpt taken from the LPL 20-F filed Apr 11, 2005.

Manufacturing Process

 

The process for manufacturing a TFT-LCD consists of four steps:

 

  •   TFT array process—involves fabricating a large number of thin-film transistors on the back glass substrate. The number of transistors corresponds to the number of pixels on the screen. The process is similar to the process for manufacturing semiconductor chips, except that transistors are fabricated on large glass substrates instead of silicon wafers. Unlike in the semiconductor industry, however, the number of transistors per glass substrate is not a primary driver of the manufacturing costs for TFT-LCDs. Once the TFT array process on glass substrates is completed, the substrates are cut into panel-sized pieces;

 

  •   Color filter process—involves fabricating a large number of color regions on the front glass substrate that overlays the TFT array in the cell process. The colored dots of red, green and blue combine to form various colors. The process is similar to the TFT array process but involves depositing colored dyes instead of transistors;

 

  •   Cell process—involves joining together the back glass substrate that is arrayed with transistors and the front glass substrate that is patterned with a color filter. The space between the two glass substrates is filled with liquid crystal materials. The resulting panel is called a cell; and

 

  •   Module assembly process—involves connecting additional components, such as driver integrated circuits and backlight units, to the cell formed by combining the glass substrates and liquid crystal materials.

 

The TFT array, color filter and cell processes are capital-intensive and require highly automated production equipment and are the primary determinants of fixed manufacturing cost. In contrast, the module assembly process involves semi-automated production equipment and manual labor to assemble the various components. Materials are the primary drivers of variable manufacturing cost.

 

EXCERPTS ON THIS PAGE:

20-F
Jun 23, 2009
20-F
Apr 16, 2008
20-F
Apr 11, 2007
20-F
Jun 21, 2006
20-F
Apr 11, 2005

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