• 한국정보디스플레이학회:학술대회논문집
• /
• 2006.08a
• /
• pp.393-398
• /
• 2006

This paper classifies driving technologies for AMOLEDs by the driving TFT conditions in pixels. A saturation region operation type driving TFT circuit provides good stability of OLED because of constant current drive. However, complicated compensation circuits are necessary to avoid effect of the TFT characteristics deviation. On the other hand, a linear region operation type driving TFT circuit provides better uniformity of the display image and lower power consumption. However, the stability of OLED is critical because of constant voltage drive.

• International Commerce and Information Review
• /
• v.13 no.3
• /
• pp.543-564
• /
• 2011

In the process of managing organization, the strategic decision-making and corporate performance are not independent, but they are interdependent each other. In most Korean firms, decision-making power and authority are concentrated on the higher echelons of managerial hierarchies. Examining big five trading conglomerates in Korea, this present paper investigates the relationship between strategic decision-making and a corporate performance. Although a number of review studies on Korean management have been developed over the years, there have been less works designed with decision making in mind. In order to achieve research objectives, this paper predicted some hypotheses, and the major findings include: 1) the influence of Korea's long-standing Confucian tradition and culture dominated across organizations, there have not been significant changes in decision-making process within big five trading firms; 2) top executives' excessive involvement in decision-making process does not hinder corporate performance. This result implies that the decision power is still tended to be centralized in the hands of the top management. 3) However, the power of Board of Directors in decision-making has become increasingly important; and 4) decision makers do not tend to misuse or abuse their political position and power for their own interests.

• Journal of Families and Better Life
• /
• v.30 no.4
• /
• pp.49-57
• /
• 2012

This study aims examining a few elements representing a family-friendly corporate environment such as the attitude of CEOs, corporate culture, the support from direct supervisors and their influence on the sense of self-efficacy and career success of women managers. The summary and conclusion of the result of this study is as follows; first, the positive attitude of CEOs as one of the representing elements for family-friendly corporate environment was found to affect the sense of self-efficacy and the career success of married women managers with positive effects. Second, the support of superiors turned out to have a positive effect on career development of women managers. Finally, the sense of women's self-efficacy turned out to affect career success of women managers. For the use of female resources as a growth power, the attitude of CEOs who promote gender equality, and the support of supervisors will play a very important part, and in order to build a corporate culture with gender equality, promotion and policy-making on corporate as well as government level are required.

• The Journal of Asian Finance, Economics and Business
• /
• v.8 no.3
• /
• pp.793-805
• /
• 2021

Corporate Social Responsibility (CSR) program has become one of the primary concerns of companies worldwide. For many companies, treating the environment and the community well is important to business practice and reputation, and this is reflected in their CSR programs. CSR is a company's obligation to consider the interests of its employees, customers, shareholders, communities, and the environment and to consider the social and environmental consequences of their business activities. CSR plays an important role in relationship building with customers. Thus, the main purpose of this study is to analyze the relationship between customer perception of CSR and customer trust. The model of this study considers two mediating variables, i.e., company reputation and word of mouth to link CSR to customer trust. This study employs a causal survey design. The respondents were 160 consumers who have purchased products and knew about CSR programs of a global food company. Data analysis was using structural equation modeling (SEM) to test the hypotheses. The results of this study revealed that CSR negatively impacts customer trust. Furthermore, CSR positively impacts corporate reputation and word of mouth. Besides, this study found corporate reputation positively impacts word of mouth and customer trust. While the mediating effect of reputation and word of mouth also positively impacts the relationship between CSR and consumer trust. A good reputation and word of mouth could be connecting buyers and enhances the power of suppliers.

• Journal of Distribution Science
• /
• v.14 no.12
• /
• pp.129-139
• /
• 2016

Purpose - This paper examines the explanatory power of the agency theory in the determination of cash holdings for Korean retail firms. If the agency theory holds, a firm with strong corporate governance structure tends to have low cash holdings. A strong governance structure makes the CEO of this firm to behave in the interests of shareholders and thus the CEO has low incentive to stockpile cash holdings, which can be easily diverted for the CEO's own managerial purposes. We investigate this relationship between corporate governance structure and cash holdings, by using corporate governance scores as a proxy variable that captures the effectiveness of corporate governance mechanism. Research design, data, and methodology - We adopt the sample of publicly listed retail firms in KOSPI market from 2005 to 2013. Financial and accounting statements are gathered from the WISEfn database. We also use the corporate governance scores published by Korean Corporate Governance Service. The relationship between the corporate governance scores and cash holdings is cross-sectionally estimated based on the ordinary least square method. This estimation method is widely accepted in the existing literature. The sample of large conglomerates, Chebol, and the remainder firms are separately examined as well, to account for the distinctive internal financing environment in these large conglomerates. Results - We mainly contribute to the extant literature by providing empirical evidence against the agency theory of cash policy. Unlike the prediction of agency theory, we confirm statistically insignificant or even positive correlations between the set of corporate governance scores and cash-asset ratios. Almost all the major corporate governance attributes including total score, shareholder rights, board structure, and the quality of information disclosure do not show negative correlations with cash holdings, which poses a strong challenge to the validity of the agency theory in the determination of retail firms' cash holdings. Conclusions - This study presents interesting empirical results with respect to the cash policy in Korean retail firms. Consistent to prior studies, I verify that the agency theory only limitedly explains the level of cash holdings. Future studies may obtain more robust results by examining a longer sample period.

• Journal of Electrical Engineering and Technology
• /
• v.5 no.4
• /
• pp.631-636
• /
• 2010

Gas-insulated transmission lines (GITL) are valued as technological solutions in hydro-power stations due to their enormous power handling capabilities. The performance of GITL is a function of the size of metallic particles inside the gas-insulated chamber. Electrostatic field (E-field) enhancement is a common phenomenon in gas-insulated lines due to these metallic particles. In this study, the E-field enhancement factor is calculated by considering metallic particles at various locations in the gas-insulated line/bus section, such as high-tension (HT) conductor, high-voltage shields, support insulator, and inner surface of grounded enclosure. For this purpose, a two-dimensional model based on finite element (FE) method is developed. The length of the metallic particle is in the range of 1 to 10 mm while the diameter is between 1 to 3 mm. E-field enhancement is also computed for various particle configurations of the gas-insulated system, with focus on dielectric coating made of epoxy on HT conductor and inner surface of grounded enclosure.

• The Journal of Industrial Distribution & Business
• /
• v.5 no.1
• /
• pp.11-15
• /
• 2014

Purpose - The core objective of this study is to comprehend the diverse nature of implementation of sources of power in the Indian context. Research design, data, and methodology - After a meticulous review of the relevant literature on various types of power with a particular kind of managers'involvement, the article reviews the Indian managers' behavioral perception and attitudinal disposition while exercising power in their organization, along with a judicious blend of different kinds of power to drive the organization to the expected level. Results - As an input to a full-fledged research study, researchers had taken up this precise discussion and observation on how the managers' community in India exercises its power. Generally, Indian managers usually implement legitimate power besides reward and coercive power as per the situation, by extending copious benefits to different stakeholders. Based on the psychological and behavioral disposition, Indian managers exercised power in their respective organizations in a fruitful manner. Conclusions -This article has carefully covered the entire corporate sector regardless of magnitude, type, or ownership. It is quite beneficial to all the proactive researchers and academia along with the corporate world.

• Transactions of the Korean Society of Automotive Engineers
• /
• v.17 no.1
• /
• pp.58-63
• /
• 2009

Flow rate of the power steering oil pump is affected by oil temperature, engine rpm and pressure of pump. In this paper, considering those conditions, approximate model expressed by flow rate characteristics between hydraulic power steering oil pump and steering gear is proposed. Oil pump displacement is considered to be 9.6cc/rev. which is adapted to mid size car. Flow rate of the oil pump is predicted from the proposed model and compared with experimental data. And catch-up is also predicted in each steering wheel speed and is compared with experimental results.

• Journal of Distribution Science
• /
• v.17 no.10
• /
• pp.115-123
• /
• 2019

Purpose - The purpose of paper is to examine into corporate value of international physical distribution, which is closely related with company that is running business based on competitive power. It is good for company to gain a competitiveness throughout activities from international physical distribution, then it increases corporate value after all. Then it will be looked at how international physical distribution can influence competitiveness of company in terms of corporate value. Research design, data, and methodology - The research method to be described is first to identify concept of international physical distribution theoretically, including characteristics and structure, and then to review corporate value of international physical distribution to make company be competitive. As far as general landscape of international logistics is concerned, it is investigated into function and role of service provider, user and market situations. However, it is well proved that current market of international physical distribution is stable and bright, which means it is possible to take foreseeable future as well. Then company can share with corporate value of international physical distribution provided from logistics service provider. Results - To achieve corporate value throughout process of international physical distribution is strongly connected with competitive status of logistics service providers, those are carriers and infrastructures, and third party logistics providers. Especially in order to inquire into competitive aspects of international physical distribution in this paper, it is focused on trade volumes and overcapacity of global shipping market. Unlike it is used to be, more optimistic and positive situation has been shown since 5 years ago from the year of 2018, which means carriers make a business well, leading company to be more competitive. Conclusions - Corporate value of company in terms of international physical distribution is closely involved with competitive situations in the physically distribution, especially shipping market, which service providers can paly a key role in this regards. It can be estimated that the more market of international physical distribution works, the more competitiveness of companies increases. Ocean carriers in shipping market of international physical distribution are doing actively business well, and the corporate value can be materialized in favor of company.

• Korean journal of communication and information
• /
• v.45
• /
• pp.496-532
• /
• 2009

With the turn of the 21st century, corporate legitimacy is at risk. The society is demanding even greater responsibility to the corporations in return of exercising its enlarged influencing power. As the legitimacy is threatened, entrepreneurial activities have become even more important than ever in order to obtain trust from the public and to be accepted as an ethical enterprise. This study assumes corporate legitimacy as the necessary element in overcoming the crisis. With this respect, it further states what kind of effect the exercise of corporate reputation and social responsibility have on ensuring corporate legitimacy in crisis. To verify the purpose of this study, two research hypotheses and one research question were set. The major research results and the implications are as follows. First, the corporate reputation of Samsung Heavy Industries affects the corporate actional legitimacy in case of crisis. Second, recognition on corporate legitimacy varied in accordance with the public’s perception of the corporate social responsibility. Third, the interaction between corporate reputation and social responsibility plays a role in determining corporate legitimacy. This result denotes that it is necessary to exercise social responsibility and build up corporate reputation in order to obtain corporate legitimacy in crisis.