JP2015115726A - Luminance measuring method, luminance measuring device and image quality adjustment technology employing the same - Google Patents
Luminance measuring method, luminance measuring device and image quality adjustment technology employing the same Download PDFInfo
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本発明は、表示パネルの各ピクセルの輝度を測定する輝度測定方法及び輝度測定装置と、これらを用いた画質調整技術に関する。 The present invention relates to a luminance measuring method and a luminance measuring apparatus for measuring the luminance of each pixel of a display panel, and an image quality adjustment technique using them.
液晶パネルや有機ＥＬパネル等の表示パネルでは、製造上のばらつきに起因して、表示むら（輝度むら、色むら）が生じることが知られている。表示パネルの各ピクセルがＲ、Ｇ、Ｂのサブピクセルを有する場合、個々のピクセルにおけるＲ、Ｇ、Ｂの相対的な明るさの関係は異ならないものの、近接するピクセル間で絶対的な明るさに差があるときには、輝度むらとなる。また、個々のピクセルにおけるＲ、Ｇ、Ｂの相対的な明るさの関係が、近接するピクセル間で異なるときには、色むらとなる。特に、有機ＥＬパネルでは、ピクセルごとの有機化合物層の厚さを均一にすることが難しいため、不揃いな層厚に起因する表示むらが生じやすく、大画面化が容易ではなかった。 In display panels such as liquid crystal panels and organic EL panels, it is known that display unevenness (brightness unevenness, color unevenness) occurs due to manufacturing variations. When each pixel of the display panel has R, G, and B sub-pixels, the relative brightness of R, G, and B in each pixel is not different, but the absolute brightness between adjacent pixels is not different. When there is a difference in brightness, the brightness becomes uneven. Further, when the relative brightness relationship of R, G, and B in individual pixels is different between adjacent pixels, color unevenness occurs. In particular, in the organic EL panel, since it is difficult to make the thickness of the organic compound layer for each pixel uniform, display unevenness due to the uneven layer thickness is likely to occur, and it is not easy to enlarge the screen.
このような表示むらを低減させて表示パネルの画質を改善する技術としては、例えば特許文献１に記載の輝度測定方法がある。この方法では、表示パネルの全てのピクセル（同文献における「画素」）を点灯させ、各ピクセルをＣＣＤカメラの複数の撮像点で撮像し（同文献の図５参照）、この複数の撮像点の輝度データに基づいてピクセルの輝度を算出している。算出されたピクセルごとの輝度を用いて表示むらを低減させる補正データを生成し、この補正データに応じて表示パネルの入力信号を補正することにより、表示パネルの画質を改善することができる。 As a technique for reducing the display unevenness and improving the image quality of the display panel, for example, there is a luminance measurement method described in Patent Document 1. In this method, all the pixels of the display panel (“pixel” in the same document) are turned on, and each pixel is imaged at a plurality of imaging points of the CCD camera (see FIG. 5 of the same document). The luminance of the pixel is calculated based on the luminance data. It is possible to improve the image quality of the display panel by generating correction data for reducing display unevenness using the calculated luminance for each pixel and correcting the input signal of the display panel according to the correction data.
ところで、特許文献１では、表示パネルの各ピクセルがカメラの撮像面上で独立して像を形成し、隣接するピクセルの像同士が重なり合わないことを前提としているが、実際には、カメラのレンズの収差その他の原因により、隣接するピクセルの像同士は重なり合う。したがって、ピクセルの輝度を正確に測定するためには、そのピクセルの像が位置する撮像面上の画素の出力をそのまま用いることはできず、そのピクセルに隣接するピクセルがその画素に与える影響を除去しなければならない。 By the way, in Patent Document 1, it is assumed that each pixel of the display panel forms an image independently on the imaging surface of the camera, and images of adjacent pixels do not overlap each other. Due to lens aberrations and other causes, adjacent pixel images overlap. Therefore, in order to accurately measure the luminance of a pixel, the output of the pixel on the imaging surface where the pixel image is located cannot be used as it is, and the influence of the pixel adjacent to the pixel on the pixel is removed. Must.
また、もしそのような影響を除去し得たとしても、画素が格子状に配置された撮像面上では受光感度が場所により異なり、受光感度の低い部分（画素同士の境界が相対的に多く含まれる部分）に結像したピクセルは輝度が低いと測定され、モアレ状の模様が発生するから、このモアレの影響も除去しなければ正確な輝度測定が難しいという問題がある。 Even if such influences can be eliminated, the light receiving sensitivity varies depending on the location on the imaging surface where the pixels are arranged in a grid, and the portion with low light receiving sensitivity (the boundary between pixels is relatively large) The pixel imaged in the portion) is measured to have a low luminance, and a moire pattern is generated. Therefore, there is a problem that accurate luminance measurement is difficult unless the influence of the moire is removed.
本発明は、上記の事情に鑑みてなされたもので、カメラの撮像面上における表示パネルのピクセルの像同士の重なり合い及びモアレの影響を抑制して各ピクセルの輝度を正確に測定することができる輝度測定方法及び輝度測定装置と、これらを用いた画質調整技術を提供することを課題としている。 The present invention has been made in view of the above circumstances, and can accurately measure the luminance of each pixel while suppressing the overlap between the images of the pixels of the display panel on the imaging surface of the camera and the influence of moire. It is an object of the present invention to provide a luminance measuring method and a luminance measuring apparatus, and an image quality adjustment technique using them.
上記課題を解決するために、本発明に係る輝度測定方法は、固体撮像素子を備えるカメラの撮像面上で表示パネルのピクセルの像同士が重なり合わないように前記表示パネルの一部のピクセルを点灯させ、前記カメラによりモアレが抑制されるまで拡大して撮像する第一の撮像ステップと、前記撮像面上で前記表示パネルのピクセルの像同士が重なり合わないように前記表示パネルの残部のピクセルを点灯させ、前記カメラによりモアレが抑制されるまで拡大して撮像する第二の撮像ステップと、前記表示パネルの一部のピクセルについて撮像した画像及び前記表示パネルの残部のピクセルについて撮像した画像に基づいて、前記表示パネルの全てのピクセルの輝度を算出する輝度算出ステップとを含むことを特徴とする。 In order to solve the above-described problem, a luminance measurement method according to the present invention includes a part of pixels of the display panel so that pixels of the display panel do not overlap each other on an imaging surface of a camera including a solid-state imaging device. The first imaging step of turning on and enlarging and imaging until the moire is suppressed by the camera, and the remaining pixels of the display panel so that the images of the pixels of the display panel do not overlap on the imaging surface A second imaging step of enlarging and imaging until the moire is suppressed by the camera, an image captured with respect to some pixels of the display panel, and an image captured with respect to the remaining pixels of the display panel And a luminance calculating step for calculating the luminance of all the pixels of the display panel.
本発明に係る補正データ生成方法は、上記各ステップに加えて、前記輝度算出ステップで算出した輝度に基づいて、前記表示パネルの入力信号を補正して前記表示パネルの輝度むらを低減させる補正データを生成する補正データ生成ステップを含み、本発明に係る画質調整型表示パネルの製造方法は、さらに、前記補正データを画質調整回路の記憶部に記憶させる補正データ記憶ステップと、前記画質調整回路が前記補正データに基づいて前記入力信号を補正するように、前記画質調整回路を前記表示パネルに実装する実装ステップとを含むことを特徴とする。 In addition to the above steps, the correction data generation method according to the present invention corrects an input signal of the display panel based on the luminance calculated in the luminance calculation step to reduce luminance unevenness of the display panel. The image quality adjustment type display panel manufacturing method according to the present invention further includes a correction data storage step for storing the correction data in a storage unit of an image quality adjustment circuit, and the image quality adjustment circuit includes: A mounting step of mounting the image quality adjustment circuit on the display panel so as to correct the input signal based on the correction data.
前記第二の撮像ステップにおいては、前記撮像面上で前記表示パネルのピクセルの像同士が重なり合わないように前記表示パネルの残部のピクセルを一部ずつ点灯させて撮像することによって、前記表示パネルの残部のピクセルについて複数の画像を撮像し、前記輝度算出ステップにおいては、前記表示パネルの一部のピクセルについて撮像した画像及び前記表示パネルの残部のピクセルについて撮像した複数の画像に基づいて、前記表示パネルの全てのピクセルの輝度を算出してもよい。 In the second imaging step, the remaining pixels of the display panel are lighted one by one so that images of the pixels of the display panel do not overlap on the imaging surface, thereby capturing the display panel A plurality of images of the remaining pixels of the display panel, and in the luminance calculation step, based on an image captured of some pixels of the display panel and a plurality of images captured of the remaining pixels of the display panel, You may calculate the brightness | luminance of all the pixels of a display panel.
前記表示パネルのピクセルを拡大して撮像する方法としては、例えば、前記カメラの焦点を前記撮像面からずらしても、前記カメラの絞り値を大きくしてもよく、前者の場合には、前記カメラの光学系にアポダイゼーション・フィルターを設けてもよい。 As a method for enlarging and imaging the pixels of the display panel, for example, the focus of the camera may be shifted from the imaging surface, or the aperture value of the camera may be increased. In the former case, the camera An apodization filter may be provided in the optical system.
本発明に係る輝度測定方法によれば、カメラの撮像面上で表示パネルのピクセルの像同士が重なり合わないように表示パネルのピクセルを分割点灯させ、これを順次撮像して輝度を算出しているので、表示パネルのピクセルの像同士の重なり合いの影響を除去して各ピクセルの輝度を求めることができる。さらに、各ピクセルを拡大して撮像しているので、撮像面上の受光感度がピクセルによってばらつく（過度に高かったり低かったりする）ことによるモアレの発生が防止され、モアレの影響を抑制して各ピクセルの輝度を正確に測定することができる（この効果は、本発明に係る輝度測定方法を実施可能な本発明に係る輝度測定装置も、もちろん奏する。）。 According to the luminance measuring method of the present invention, the pixels of the display panel are divided and lit so that the images of the pixels of the display panel do not overlap with each other on the imaging surface of the camera, and the luminance is calculated by sequentially imaging the pixels. Therefore, it is possible to obtain the luminance of each pixel by removing the influence of the overlapping of the pixel images of the display panel. Furthermore, since each pixel is magnified and imaged, the occurrence of moire due to variation in the light receiving sensitivity on the imaging surface (too high or low) is prevented, and the influence of moire is suppressed. It is possible to accurately measure the luminance of the pixel (this effect is also achieved by the luminance measuring device according to the present invention, which can implement the luminance measuring method according to the present invention).
また、本発明に係る補正データ生成方法によれば、そのように測定された各ピクセルの輝度に基づいて、表示パネルの輝度むらを低減させる補正データが生成されるので、表示パネルの画質を高精度に調整することが可能な補正データを生成することができ（この効果は、本発明に係る補正データ生成方法を実施可能な補正データ生成装置も、もちろん奏する。）、本発明に係る画質調整型表示パネルの製造方法では、そのように生成された補正データが記憶された画質調整回路が表示パネルに実装されるので、表示パネルの画質を高精度に調整することができる。 Further, according to the correction data generation method according to the present invention, the correction data for reducing the luminance unevenness of the display panel is generated based on the luminance of each pixel thus measured, so that the image quality of the display panel is improved. It is possible to generate correction data that can be adjusted to accuracy (this effect is also achieved by a correction data generation device that can implement the correction data generation method according to the present invention), and image quality adjustment according to the present invention. In the manufacturing method of the mold display panel, since the image quality adjustment circuit storing the correction data generated as described above is mounted on the display panel, the image quality of the display panel can be adjusted with high accuracy.
本発明によれば、カメラの撮像面上における表示パネルのピクセルの像同士の重なり合い及びモアレの影響を抑制して各ピクセルの輝度を正確に測定することができ、この測定輝度を用いて表示パネルの画質を向上させることもできる。 According to the present invention, it is possible to accurately measure the luminance of each pixel by suppressing the overlap between the images of the pixels of the display panel on the imaging surface of the camera and the influence of moire, and using this measured luminance, the display panel can be measured. It is also possible to improve the image quality.
本発明を実施するための形態について、図面を用いて説明する。 Embodiments for carrying out the present invention will be described with reference to the drawings.
〔実施形態１〕
図１は、本形態に係る輝度測定装置を示す。この輝度測定装置１は、有機ＥＬパネル２の全てのピクセル（有機ＥＬパネル２の各ピクセルはＲ、Ｇ、Ｂのサブピクセルからなり、本発明では、このようなサブピクセルも「ピクセル」に含まれるものとする。）の輝度を測定するもので、制御部３と、演算部４と、記憶部５とを有する。制御部３は、パターン発生装置６を介して有機ＥＬパネル２の表示を制御するとともに、有機ＥＬパネル２に正対した白黒の固体撮像素子カメラ７による撮像を制御する。演算部４は、カメラ７の撮像画像等に基づいて各種の演算を行い、記憶部５は、カメラ７の撮像結果や演算部４の演算結果を記憶する。
Embodiment 1
FIG. 1 shows a luminance measuring apparatus according to this embodiment. The luminance measuring apparatus 1 includes all pixels of the organic EL panel 2 (each pixel of the organic EL panel 2 is composed of R, G, and B sub-pixels. In the present invention, such sub-pixels are also included in “pixels”. And has a control unit 3, a calculation unit 4, and a storage unit 5. The control unit 3 controls the display of the organic EL panel 2 via the pattern generator 6 and also controls the imaging by the black and white solid-state image sensor camera 7 facing the organic EL panel 2. The calculation unit 4 performs various calculations based on the captured image of the camera 7 and the like, and the storage unit 5 stores the imaging result of the camera 7 and the calculation result of the calculation unit 4.
輝度測定装置１が有機ＥＬパネル２のピクセルの赤色表示時の輝度を測定する際には、図２に示すように、まず、制御部３が、パターン発生装置６に指示して、図３に示すアライメントパターンＰＡを有機ＥＬパネル２に表示させる（ステップ１（図中「Ｓ．１」と記載。以下同様。））。アライメントパターンＰＡは、有機ＥＬパネル２上で既知の位置にある特定のピクセル（Ｒのサブピクセル）が点灯することにより、赤色四角形状のドットＤが縦横に並んだものである。 When the luminance measuring device 1 measures the luminance of the pixel of the organic EL panel 2 when displaying red, first, as shown in FIG. 2, the control unit 3 instructs the pattern generating device 6 to and displays the alignment pattern P a shown in organic EL panel 2 (step 1 (in the figure as "S.1". on.)). Alignment pattern P A, by particular pixel in a known position on the organic EL panel 2 (R sub-pixel) is turned on, a red square dots D are those aligned vertically and horizontally.
制御部３は、アライメントパターンＰＡが表示された有機ＥＬパネル２をカメラ７により撮像し（ステップ２）、演算部４は、この撮像画像に基づいて、ドットＤの像がカメラ７の撮像面上のどの画素に写るかを検出することにより、有機ＥＬパネル２のピクセルとカメラ７の画素との位置的な対応関係を求め（ステップ３）、これを記憶部５に記憶させる（ステップ４）。 Control unit 3, an organic EL panel 2 the alignment pattern P A is displayed captured by the camera 7 (Step 2), computing unit 4 on the basis of the captured image, the imaging plane of the camera 7 images the dot D is By detecting which pixel is on the upper side, the positional correspondence between the pixel of the organic EL panel 2 and the pixel of the camera 7 is obtained (step 3), and this is stored in the storage unit 5 (step 4). .
次に、制御部３は、パターン発生装置６に指示して、図４（ａ）に示す分割点灯パターンＰ１を有機ＥＬパネル２に表示させる（ステップ５）。分割点灯パターンＰ１は、有機ＥＬパネル２の最も左上のピクセルと、このピクセルから１ピクセルおきに右に位置するピクセルと、これらのピクセルから１ピクセルおきに下に位置するピクセルとを点灯させたもので、制御部３は、これをカメラ７によりモアレが抑制されるまで拡大して撮像し（ステップ６）、撮像画像を記憶部５に記憶させる（ステップ７）。このようにピクセルの像を拡大しても、有機ＥＬパネル２においてピクセルを１ピクセルおきに間引いて点灯させているから、図５に示すように、カメラ７の撮像面８上において、隣接するピクセルの像９同士は重なり合っていない。 Next, the control unit 3 instructs the pattern generator 6, and displays the divided lighting pattern P 1 shown in FIG. 4 (a) to the organic EL panel 2 (step 5). The divided lighting pattern P 1 lights up the upper leftmost pixel of the organic EL panel 2, a pixel located on the right every other pixel from this pixel, and a pixel located on the lower side every other pixel from these pixels. Therefore, the control unit 3 enlarges and captures this until the moire is suppressed by the camera 7 (step 6), and stores the captured image in the storage unit 5 (step 7). Even if the image of the pixel is enlarged in this manner, every other pixel in the organic EL panel 2 is thinned and lit, so that as shown in FIG. 5, adjacent pixels on the imaging surface 8 of the camera 7. These images 9 do not overlap.
以降、制御部３は、図４（ｂ）に示す分割点灯パターンＰ２（分割点灯パターンＰ１で点灯していた各ピクセルの１つ右のピクセルが点灯）、同図（ｃ）に示す分割点灯パターンＰ３（分割点灯パターンＰ１で点灯していた各ピクセルの１つ下のピクセルが点灯）、及び、同図（ｄ）に示す分割点灯パターンＰ４（分割点灯パターンＰ２で点灯していた各ピクセルの１つ下のピクセルが点灯）について、ステップ５乃至７と同様な処理を行う（ステップ８）。 Thereafter, the control unit 3 performs the divided lighting pattern P 2 shown in FIG. 4B (the pixel on the right of each pixel that was turned on in the divided lighting pattern P 1 is turned on), and the divided lighting pattern shown in FIG. Illumination pattern P 3 (one pixel below the one that was lit in divided lighting pattern P 1 is lit) and divided lighting pattern P 4 (lit in divided lighting pattern P 2 ) shown in FIG. The same processing as in steps 5 to 7 is performed (step 8).
続いて、演算部４が、分割点灯パターンＰ１，Ｐ２，Ｐ３，Ｐ４の各撮像画像に基づいて、有機ＥＬパネル２の全てのピクセルの輝度を算出し（ステップ９）、記憶部５に記憶させる（ステップ１０）。詳細には、演算部４は、ステップ３で求めた対応関係を参照して分割点灯パターンＰ１の撮像画像から同パターンで点灯していたピクセルの輝度を算出し、分割点灯パターンＰ２の撮像画像から同パターンで点灯していたピクセルの輝度を算出し、分割点灯パターンＰ３の撮像画像から同パターンで点灯していたピクセルの輝度を算出し、分割点灯パターンＰ４の撮像画像から同パターンで点灯していたピクセルの輝度を算出し、これらを合成して有機ＥＬパネル２の全てのピクセルの輝度を得る。 Subsequently, the calculation unit 4 calculates the luminance of all the pixels of the organic EL panel 2 based on the captured images of the divided lighting patterns P 1 , P 2 , P 3 , and P 4 (Step 9), and the storage unit 5 (step 10). Specifically, the arithmetic unit 4 calculates the luminance of the reference to the divided lighting pattern P 1 of pixels were lit from the captured image at the same pattern correspondence relationship determined in step 3, the image pickup division lighting pattern P 2 calculating a luminance of a pixel that were lit at the same pattern from the image, and calculates the luminance of the pixels that were lit from the captured image of the divided lighting pattern P 3 in the same pattern, the same from the captured image of the divided lighting pattern P 4 pattern The luminance of the pixels lit in is calculated and combined to obtain the luminance of all the pixels of the organic EL panel 2.
以上は、輝度測定装置１が有機ＥＬパネル２のピクセルの赤色表示時の輝度（全てのＲのサブピクセルの輝度）を測定する方法であるが、輝度測定装置１は、有機ＥＬパネル２のピクセルの緑色表示時の輝度（全てのＧのサブピクセルの輝度）及び青色表示時の輝度（全てのＢのサブピクセルの輝度）についても、同様に測定可能である。 The above is a method in which the luminance measuring device 1 measures the luminance of the pixels of the organic EL panel 2 when displayed in red (the luminance of all R subpixels). The luminance measuring device 1 is a pixel of the organic EL panel 2. The luminance at the time of green display (the luminance of all G subpixels) and the luminance at the time of blue display (the luminance of all B subpixels) can be measured in the same manner.
ところで、分割点灯パターンＰ１，Ｐ２，Ｐ３，Ｐ４で点灯する各ピクセルをモアレが抑制されるまで拡大して撮像するには、カメラ７をデフォーカスさせてその焦点を撮像面８からずらすようにすればよい。固体撮像素子としてＣＣＤを備えるカメラ７（撮像面８上の画素ピッチ：５．５μｍ）により、Ｆ値（絞り値）を５．６と固定してデフォーカス量を変えながら分割点灯パターンＰ１，Ｐ２，Ｐ３，Ｐ４を撮像し、それらの撮像画像を合成したところ、図６に示すように、デフォーカス量０μｍでは発生していたモアレがデフォーカス量５９μｍでは細かくなり、デフォーカス量１１６μｍでは観察されなくなった。 By the way, in order to magnify and image each pixel that is lit with the divided lighting patterns P 1 , P 2 , P 3 , and P 4 until the moire is suppressed, the camera 7 is defocused and the focal point is taken from the imaging surface 8. Just move it. With a camera 7 having a CCD as a solid-state imaging device (pixel pitch on the imaging surface 8: 5.5 μm), the F value (aperture value) is fixed at 5.6 and the defocus amount is changed, and the divided lighting pattern P 1 , When P 2 , P 3 , and P 4 are picked up and the picked-up images are combined, as shown in FIG. 6, the moiré that occurred at the defocus amount of 0 μm becomes fine at the defocus amount of 59 μm, and the defocus amount It was not observed at 116 μm.
あるいは、カメラ７のＦ値を大きくして回折ボケを利用してもよく、固体撮像素子としてＣＣＤを備えるカメラ７（撮像面８上の画素ピッチ：５．５μｍ）により、フォーカスを合焦状態（デフォーカス量０μｍ）に固定してＦ値を変えながら分割点灯パターンＰ１，Ｐ２，Ｐ３，Ｐ４を撮像し、それらの撮像画像を合成したところ、図７に示すように、Ｆ値４．０や５．６では発生していたモアレがＦ値８では目立たなくなり、Ｆ値１１や１６では観察されなくなった。回折ボケのような効果は、カメラ７を多少ともデフォーカスさせるとともに（このデフォーカスのみにより、必ずしもモアレが十分に抑制されていなくてもよい。）、その光学系にアポダイゼーション・フィルター（光軸の中心部から周辺部にかけて透過率を下げ、好ましく透過率を正規分布になるようにしたフィルター）を設けることによっても得られ、これによりモアレを抑制してもよい。 Alternatively, diffraction blur may be used by increasing the F value of the camera 7, and the focus is focused (by the camera 7 having a CCD as a solid-state imaging device (pixel pitch on the imaging surface 8: 5.5 μm)). The division lighting patterns P 1 , P 2 , P 3 , and P 4 are imaged while changing the F value while fixing the defocus amount to 0 μm), and these captured images are synthesized. As shown in FIG. Moire generated at 4.0 and 5.6 was not noticeable at an F value of 8, and was not observed at F values of 11 and 16. An effect such as diffraction blur causes the camera 7 to be slightly defocused (the moire need not be sufficiently suppressed by this defocus only), and an apodization filter (of the optical axis) is added to the optical system. It is also possible to obtain a filter by lowering the transmittance from the central portion to the peripheral portion and preferably setting the transmittance to have a normal distribution, thereby suppressing moire.
本形態に係る輝度測定装置１による輝度測定方法では、カメラ７の撮像面８上で有機ＥＬパネル２のピクセルの像同士が重なり合わないように有機ＥＬパネル２のピクセルを分割点灯させ、これを順次撮像して輝度を算出しているので、有機ＥＬパネル２のピクセルの像同士の重なり合いの影響を除去して各ピクセルの輝度を求めることができる。さらに、各ピクセルを拡大して撮像しているので、撮像面８上の受光感度がピクセルによってばらつくことによるモアレの発生が防止され、モアレの影響を抑制して各ピクセルの輝度を正確に測定することができる。 In the luminance measuring method by the luminance measuring apparatus 1 according to the present embodiment, the pixels of the organic EL panel 2 are divided and lit so that the images of the pixels of the organic EL panel 2 do not overlap on the imaging surface 8 of the camera 7. Since the luminance is calculated by sequentially imaging, the luminance of each pixel can be obtained by removing the influence of the overlapping of the pixel images of the organic EL panel 2. Furthermore, since each pixel is magnified and imaged, the occurrence of moire due to variation in the light receiving sensitivity on the imaging surface 8 from pixel to pixel is prevented, and the luminance of each pixel is accurately measured while suppressing the influence of moire. be able to.
〔実施形態２〕
図８は、本形態に係る補正データ生成装置を示す。この補正データ生成装置１０は、実施形態１に係る輝度測定装置１に対してＲＯＭライタ１１が追加接続されたもので、図９に示すように、輝度測定装置１と同様に有機ＥＬパネル２の全てのピクセルの輝度を測定した上で（ステップ１乃至１０）、このピクセルごとの輝度に基づいて、演算部４が、有機ＥＬパネル２の表示むら（輝度むら）を低減させる補正データを生成する（ステップ１１）。生成された補正データは、ＲＯＭライタ１１によりＲＯＭ（不揮発性メモリ）１２に書き込まれ（ステップ１２）、このＲＯＭ１２を備える画質調整回路１３が有機ＥＬパネル２に実装されることによって、画質調整型有機ＥＬパネル１４が製造される（ステップ１３）。
[Embodiment 2]
FIG. 8 shows a correction data generation apparatus according to this embodiment. The correction data generation device 10 is obtained by additionally connecting a ROM writer 11 to the luminance measurement device 1 according to the first embodiment. As shown in FIG. After measuring the luminance of all the pixels (steps 1 to 10), based on the luminance for each pixel, the calculation unit 4 generates correction data for reducing display unevenness (luminance unevenness) of the organic EL panel 2. (Step 11). The generated correction data is written into a ROM (non-volatile memory) 12 by a ROM writer 11 (step 12), and an image quality adjustment circuit 13 including the ROM 12 is mounted on the organic EL panel 2, whereby an image quality adjustment organic The EL panel 14 is manufactured (step 13).
画質調整型有機ＥＬパネル１４では、画像信号が入力されると（ステップ１４）、画質調整回路１３がＲＯＭ１２に書き込まれた補正データを参照して有機ＥＬパネル２に入力された画像信号（入力信号）を補正することにより、有機ＥＬパネル２の表示むらの低減が図られて画質が調整される（ステップ１５）。 In the image quality adjustment type organic EL panel 14, when an image signal is input (step 14), the image quality adjustment circuit 13 refers to the correction data written in the ROM 12 and the image signal (input signal) input to the organic EL panel 2. ) Is reduced, the display unevenness of the organic EL panel 2 is reduced, and the image quality is adjusted (step 15).
本形態に係る補正データ生成装置１０による補正データ生成方法及び画質調整型有機ＥＬパネル１４の製造方法では、実施形態１におけると同様に有機ＥＬパネル２のピクセルごとの輝度が測定され、このピクセルごとの輝度に基づいて、有機ＥＬパネル２の表示むらを低減させる補正データが生成されるので、有機ＥＬパネル２の画質を高精度に調整することができる。 In the correction data generation method and the image quality adjustment type organic EL panel 14 manufacturing method by the correction data generation apparatus 10 according to the present embodiment, the luminance of each pixel of the organic EL panel 2 is measured as in the first embodiment. Since the correction data for reducing the display unevenness of the organic EL panel 2 is generated on the basis of the luminance, the image quality of the organic EL panel 2 can be adjusted with high accuracy.
以上、本発明を実施するための形態について例示したが、本発明の実施形態は上述したものに限られず、本発明の趣旨を逸脱しない範囲で適宜変更等してもよい。 As mentioned above, although the form for implementing this invention was illustrated, embodiment of this invention is not restricted to what was mentioned above, You may change suitably etc. in the range which does not deviate from the meaning of this invention.
例えば画質調整に供する表示パネルは有機ＥＬパネルに限られず、液晶パネルやプラズマディスプレイ（ＰＤＰ）、あるいは、投影型のプロジェクタ等であってもよい。 For example, a display panel used for image quality adjustment is not limited to an organic EL panel, and may be a liquid crystal panel, a plasma display (PDP), a projection projector, or the like.
また、カメラは白黒カメラに限られずカラーカメラであってもよく、ピクセルの像を拡大して撮像するにはデフォーカスによらず、ズームやカメラの移動等によることとしてもかまわない。 The camera is not limited to a black and white camera, and may be a color camera. Zooming in on a pixel image may be performed by zooming or moving the camera, not by defocusing.
さらに、分割点灯パターンも図４に示すものに限られず、例えば表示パネルのピクセルを図１０に示すように２ピクセルおきに点灯させても、図１１に示すように市松模様状に点灯させてもかまわない。 Further, the divided lighting pattern is not limited to that shown in FIG. 4, for example, the pixels of the display panel may be turned on every two pixels as shown in FIG. 10, or may be turned on in a checkered pattern as shown in FIG. It doesn't matter.
１ 輝度測定装置
２ 有機ＥＬパネル（表示パネル）
３ 制御部
４ 演算部
５ 記憶部
６ パターン発生装置
７ カメラ
８ 撮像面
９ 像
１０ 補正データ生成装置
１１ ＲＯＭライタ
１２ ＲＯＭ（記憶部）
１３ 画質調整回路
１４ 画質調整型有機ＥＬパネル（画質調整型表示パネル）
1 Luminance measuring device 2 Organic EL panel (display panel)
DESCRIPTION OF SYMBOLS 3 Control part 4 Calculation part 5 Memory | storage part 6 Pattern generator 7 Camera 8 Imaging surface 9 Image 10 Correction data generation apparatus 11 ROM writer 12 ROM (memory | storage part)
13 Image Quality Adjustment Circuit 14 Image Quality Adjustment Type Organic EL Panel (Image Quality Adjustment Type Display Panel)
Claims (25)
前記撮像面上で前記表示パネルのピクセルの像同士が重なり合わないように前記表示パネルの残部のピクセルを点灯させ、前記カメラによりモアレが抑制されるまで拡大して撮像する第二の撮像ステップと、
前記表示パネルの一部のピクセルについて撮像した画像及び前記表示パネルの残部のピクセルについて撮像した画像に基づいて、前記表示パネルの全てのピクセルの輝度を算出する輝度算出ステップとを含むことを特徴とする輝度測定方法。 A part of pixels of the display panel is turned on so that images of pixels of the display panel do not overlap each other on an imaging surface of a camera provided with a solid-state image sensor, and an enlarged image is captured until moire is suppressed by the camera. A first imaging step;
A second imaging step of lighting up the remaining pixels of the display panel so that the images of the pixels of the display panel do not overlap on the imaging surface, and enlarging and imaging until moire is suppressed by the camera; ,
A luminance calculation step of calculating the luminance of all pixels of the display panel based on an image captured of some pixels of the display panel and an image captured of the remaining pixels of the display panel. Brightness measurement method.
前記第二の撮像ステップにおいて、前記表示パネルの残部のピクセルを点灯させ、前記カメラにより合焦状態よりも拡大して撮像することを特徴とする請求項１に記載の輝度測定方法。
In the first imaging step, a part of the pixels of the display panel is turned on, and the camera is used to magnify the image more than the in-focus state,
2. The luminance measurement method according to claim 1, wherein, in the second imaging step, the remaining pixels of the display panel are turned on, and the image is enlarged and captured by the camera rather than the in-focus state.
2. The luminance measurement according to claim 1, wherein in the first imaging step and the second imaging step, the pixel of the display panel is enlarged and imaged by increasing the aperture value of the camera. Method.
前記輝度算出ステップにおいて、前記表示パネルの一部のピクセルについて撮像した画像及び前記表示パネルの残部のピクセルについて撮像した複数の画像に基づいて、前記表示パネルの全てのピクセルの輝度を算出することを特徴とする請求項１乃至５のいずれか１項に記載の輝度測定方法。 In the second imaging step, the remaining pixels of the display panel are lighted part by part so that images of the pixels of the display panel do not overlap on the imaging surface. Take multiple images of the remaining pixels,
In the luminance calculation step, the luminance of all the pixels of the display panel is calculated based on an image captured for some pixels of the display panel and a plurality of images captured for the remaining pixels of the display panel. The luminance measuring method according to claim 1, wherein the luminance measuring method is one of the following.
前記カメラが撮像した画像に基づいて演算を行う演算部とを有し、
前記制御部が、前記カメラの撮像面上で前記表示パネルのピクセルの像同士が重なり合わないように前記表示パネルの一部のピクセルを点灯させ、前記カメラによりモアレが抑制されるまで拡大して撮像するとともに、前記撮像面上で前記表示パネルのピクセルの像同士が重なり合わないように前記表示パネルの残部のピクセルを点灯させ、前記カメラによりモアレが抑制されるまで拡大して撮像し、
前記演算部が、前記表示パネルの一部のピクセルについて撮像した画像及び前記表示パネルの残部のピクセルについて撮像した画像に基づいて、前記表示パネルの全てのピクセルの輝度を算出することを特徴とする輝度測定装置。 A controller for controlling lighting of pixels of the display panel and controlling imaging by a camera including a solid-state imaging device;
A calculation unit that performs calculation based on an image captured by the camera;
The control unit lights up some pixels of the display panel so that images of the pixels of the display panel do not overlap each other on the imaging surface of the camera, and enlarges until moire is suppressed by the camera. While imaging, turn on the remaining pixels of the display panel so that the images of the pixels of the display panel do not overlap each other on the imaging surface, and take an enlarged image until moire is suppressed by the camera,
The arithmetic unit calculates the luminance of all pixels of the display panel based on an image captured for some pixels of the display panel and an image captured for the remaining pixels of the display panel. Luminance measuring device.
The control unit lights up some pixels of the display panel so that the images of the pixels of the display panel do not overlap on the imaging surface, and the image is enlarged and captured by the camera than the in-focus state. The remaining pixels of the display panel are turned on so that the images of the pixels of the display panel do not overlap with each other on the imaging surface, and the camera captures an image that is enlarged from the focused state. Item 8. The luminance measuring apparatus according to Item 7.
前記制御部が、前記カメラの焦点を前記撮像面からずらすことにより、前記表示パネルのピクセルを拡大して撮像することを特徴とする請求項７又は８に記載の輝度測定装置。
An apodization filter is provided in the optical system of the camera,
The luminance measuring apparatus according to claim 7 or 8, wherein the control unit enlarges and captures pixels of the display panel by shifting a focus of the camera from the imaging surface.
The brightness measurement apparatus according to claim 7, wherein the control unit enlarges and captures pixels of the display panel by increasing an aperture value of the camera.
前記演算部が、前記表示パネルの一部のピクセルについて撮像した画像及び前記表示パネルの残部のピクセルについて撮像した複数の画像に基づいて、前記表示パネルの全てのピクセルの輝度を算出することを特徴とする請求項７乃至１１のいずれか１項に記載の輝度測定装置。 The remaining pixels of the display panel are imaged by lighting the remaining pixels of the display panel part by part so that the images of the pixels of the display panel do not overlap each other on the imaging surface. Take multiple images for
The calculation unit calculates the luminance of all the pixels of the display panel based on an image captured for some pixels of the display panel and a plurality of images captured for the remaining pixels of the display panel. The luminance measuring device according to claim 7.
前記撮像面上で前記表示パネルのピクセルの像同士が重なり合わないように前記表示パネルの残部のピクセルを点灯させ、前記カメラによりモアレが抑制されるまで拡大して撮像する第二の撮像ステップと、
前記表示パネルの一部のピクセルについて撮像した画像及び前記表示パネルの残部のピクセルについて撮像した画像に基づいて、前記表示パネルの全てのピクセルの輝度を算出する輝度算出ステップと、
前記輝度算出ステップで算出した輝度に基づいて、前記表示パネルの入力信号を補正して前記表示パネルの輝度むらを低減させる補正データを生成する補正データ生成ステップとを含むことを特徴とする補正データ生成方法。 A part of pixels of the display panel is turned on so that images of pixels of the display panel do not overlap each other on an imaging surface of a camera provided with a solid-state image sensor, and an enlarged image is captured until moire is suppressed by the camera. A first imaging step;
A second imaging step of lighting up the remaining pixels of the display panel so that the images of the pixels of the display panel do not overlap on the imaging surface, and enlarging and imaging until moire is suppressed by the camera; ,
A luminance calculating step for calculating the luminance of all the pixels of the display panel based on an image captured for some of the pixels of the display panel and an image captured for the remaining pixels of the display panel;
Correction data generation step for generating correction data for correcting the input signal of the display panel based on the luminance calculated in the luminance calculation step to reduce luminance unevenness of the display panel. Generation method.
前記第二の撮像ステップにおいて、前記表示パネルの残部のピクセルを点灯させ、前記カメラにより合焦状態よりも拡大して撮像することを特徴とする請求項１３に記載の補正データ生成方法。
In the first imaging step, a part of the pixels of the display panel is turned on, and the camera is used to magnify the image more than the in-focus state,
The correction data generation method according to claim 13, wherein in the second imaging step, the remaining pixels of the display panel are turned on, and an image is captured with the camera being enlarged from the in-focus state.
In the first imaging step and the second imaging step, an apodization filter is provided in the optical system of the camera, and the pixel of the display panel is enlarged and imaged by shifting the focus of the camera from the imaging surface. 15. The correction data generation method according to claim 13, wherein the correction data is generated.
14. The correction data according to claim 13, wherein in the first imaging step and the second imaging step, the pixel of the display panel is enlarged and imaged by increasing the aperture value of the camera. Generation method.
前記輝度算出ステップにおいて、前記表示パネルの一部のピクセルについて撮像した画像及び前記表示パネルの残部のピクセルについて撮像した複数の画像に基づいて、前記表示パネルの全てのピクセルの輝度を算出することを特徴とする請求項１３乃至１７のいずれか１項に記載の補正データ生成方法。 In the second imaging step, the remaining pixels of the display panel are lighted part by part so that images of the pixels of the display panel do not overlap on the imaging surface. Take multiple images of the remaining pixels,
In the luminance calculation step, the luminance of all the pixels of the display panel is calculated based on an image captured for some pixels of the display panel and a plurality of images captured for the remaining pixels of the display panel. The correction data generation method according to claim 13, wherein the correction data generation method is a correction data generation method.
前記撮像面上で前記表示パネルのピクセルの像同士が重なり合わないように前記表示パネルの残部のピクセルを点灯させ、前記カメラによりモアレが抑制されるまで拡大して撮像する第二の撮像ステップと、
前記表示パネルの一部のピクセルについて撮像した画像及び前記表示パネルの残部のピクセルについて撮像した画像に基づいて、前記表示パネルの全てのピクセルの輝度を算出する輝度算出ステップと、
前記輝度算出ステップで算出した輝度に基づいて、前記表示パネルの入力信号を補正して前記表示パネルの輝度むらを低減させる補正データを生成する補正データ生成ステップと、
前記補正データを画質調整回路の記憶部に記憶させる補正データ記憶ステップと、
前記画質調整回路が前記補正データに基づいて前記入力信号を補正するように、前記画質調整回路を前記表示パネルに実装する実装ステップとを含むことを特徴とする画質調整型表示パネルの製造方法。 A part of pixels of the display panel is turned on so that images of pixels of the display panel do not overlap each other on an imaging surface of a camera provided with a solid-state image sensor, and an enlarged image is captured until moire is suppressed by the camera. A first imaging step;
A second imaging step of lighting up the remaining pixels of the display panel so that the images of the pixels of the display panel do not overlap on the imaging surface, and enlarging and imaging until moire is suppressed by the camera; ,
A luminance calculating step for calculating the luminance of all the pixels of the display panel based on an image captured for some of the pixels of the display panel and an image captured for the remaining pixels of the display panel;
A correction data generation step of generating correction data for correcting an input signal of the display panel to reduce luminance unevenness of the display panel based on the luminance calculated in the luminance calculation step;
A correction data storage step of storing the correction data in a storage unit of an image quality adjustment circuit;
And a mounting step of mounting the image quality adjustment circuit on the display panel so that the image quality adjustment circuit corrects the input signal based on the correction data.
前記第二の撮像ステップにおいて、前記表示パネルの残部のピクセルを点灯させ、前記カメラにより合焦状態よりも拡大して撮像することを特徴とする請求項１９に記載の画質調整型表示パネルの製造方法。
In the first imaging step, a part of the pixels of the display panel is turned on, and the camera is used to magnify the image more than the in-focus state,
20. The image quality adjustment type display panel according to claim 19, wherein in the second imaging step, the remaining pixels of the display panel are turned on, and the image is enlarged and captured by the camera than in a focused state. Method.
In the first imaging step and the second imaging step, an apodization filter is provided in the optical system of the camera, and the pixel of the display panel is enlarged and imaged by shifting the focus of the camera from the imaging surface. 21. A method of manufacturing an image quality adjustment type display panel according to claim 19 or 20, wherein:
The image quality adjustment according to claim 19, wherein, in the first imaging step and the second imaging step, imaging is performed by enlarging the pixels of the display panel by increasing the aperture value of the camera. Manufacturing method of mold display panel.
前記輝度算出ステップにおいて、前記表示パネルの一部のピクセルについて撮像した画像及び前記表示パネルの残部のピクセルについて撮像した複数の画像に基づいて、前記表示パネルの全てのピクセルの輝度を算出することを特徴とする請求項１９乃至２３のいずれか１項に記載の画質調整型表示パネルの製造方法。 In the second imaging step, the remaining pixels of the display panel are lighted part by part so that images of the pixels of the display panel do not overlap on the imaging surface. Take multiple images of the remaining pixels,
In the luminance calculation step, the luminance of all the pixels of the display panel is calculated based on an image captured for some pixels of the display panel and a plurality of images captured for the remaining pixels of the display panel. The method for manufacturing an image quality adjustment type display panel according to any one of claims 19 to 23.
前記補正データは、固体撮像素子を備えるカメラの撮像面上で表示パネルのピクセルの像同士が重なり合わないように前記表示パネルの一部のピクセルを点灯させ、前記カメラによりモアレが抑制されるまで拡大して撮像した画像と、前記撮像面上で前記表示パネルのピクセルの像同士が重なり合わないように前記表示パネルの残部のピクセルを点灯させ、前記カメラによりモアレが抑制されるまで拡大して撮像した画像とから算出された前記表示パネルの全てのピクセルの輝度に基づいて、生成されていることを特徴とする画質調整型表示パネル。 A display panel, and an image quality adjustment circuit including a storage unit that stores correction data that corrects an input signal of the display panel to reduce display unevenness of the display panel,
The correction data turns on some pixels of the display panel so that images of the pixels of the display panel do not overlap on the imaging surface of the camera having a solid-state imaging device, and moire is suppressed by the camera. The remaining image of the display panel is turned on so that the image captured by the enlarged image and the image of the pixel of the display panel do not overlap each other on the imaging surface, and the image is enlarged until moire is suppressed by the camera. An image quality adjustment type display panel, which is generated based on the luminance of all pixels of the display panel calculated from the captured image.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106657747A (en) * | 2017-01-04 | 2017-05-10 | 京东方科技集团股份有限公司 | Image photographing module, electronic equipment, image photographing control method and image photographing control device |
| WO2018040180A1 (en) * | 2016-08-31 | 2018-03-08 | 宇龙计算机通信科技(深圳)有限公司 | Photographing method and apparatus |
| JP2019176279A (en) * | 2018-03-27 | 2019-10-10 | パナソニック液晶ディスプレイ株式会社 | Image quality adjustment device, image quality adjustment system, and image quality adjustment method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0239110U (en) * | 1988-09-09 | 1990-03-15 | ||
| JPH05161058A (en) * | 1991-12-06 | 1993-06-25 | Fuji Photo Optical Co Ltd | Diaphragm structure for camera |
| JPH06186504A (en) * | 1992-12-15 | 1994-07-08 | Olympus Optical Co Ltd | Microscope using diffraction optical device |
| JPH06202045A (en) * | 1993-01-07 | 1994-07-22 | Konica Corp | Image pickup device |
| JP2004032509A (en) * | 2002-06-27 | 2004-01-29 | Canon Inc | Imaging device |
| JP2009521722A (en) * | 2005-12-21 | 2009-06-04 | ミシェル・サヤグ | Adjustable apodized lens aperture |
| WO2011151866A1 (en) * | 2010-06-04 | 2011-12-08 | パナソニック株式会社 | Method for measuring brightness of light-emitting display panel |
| JP2012085225A (en) * | 2010-10-14 | 2012-04-26 | Iix Inc | Image quality adjustment system and image quality adjustment method |
-
2013
- 2013-12-10 JP JP2013255505A patent/JP2015115726A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0239110U (en) * | 1988-09-09 | 1990-03-15 | ||
| JPH05161058A (en) * | 1991-12-06 | 1993-06-25 | Fuji Photo Optical Co Ltd | Diaphragm structure for camera |
| JPH06186504A (en) * | 1992-12-15 | 1994-07-08 | Olympus Optical Co Ltd | Microscope using diffraction optical device |
| JPH06202045A (en) * | 1993-01-07 | 1994-07-22 | Konica Corp | Image pickup device |
| JP2004032509A (en) * | 2002-06-27 | 2004-01-29 | Canon Inc | Imaging device |
| JP2009521722A (en) * | 2005-12-21 | 2009-06-04 | ミシェル・サヤグ | Adjustable apodized lens aperture |
| WO2011151866A1 (en) * | 2010-06-04 | 2011-12-08 | パナソニック株式会社 | Method for measuring brightness of light-emitting display panel |
| JP2012085225A (en) * | 2010-10-14 | 2012-04-26 | Iix Inc | Image quality adjustment system and image quality adjustment method |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018040180A1 (en) * | 2016-08-31 | 2018-03-08 | 宇龙计算机通信科技(深圳)有限公司 | Photographing method and apparatus |
| CN106657747A (en) * | 2017-01-04 | 2017-05-10 | 京东方科技集团股份有限公司 | Image photographing module, electronic equipment, image photographing control method and image photographing control device |
| CN106657747B (en) * | 2017-01-04 | 2022-11-15 | 京东方科技集团股份有限公司 | Camera module, electronic equipment, camera control method and device |
| JP2019176279A (en) * | 2018-03-27 | 2019-10-10 | パナソニック液晶ディスプレイ株式会社 | Image quality adjustment device, image quality adjustment system, and image quality adjustment method |
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